Contents on 19 July '15
- Traffic Report -- two objects
- IAU Minor Planet Center
- NEOCP Activity -- 25 listings
- New MPECs -- three MPECs
- Observers -- 80 observers
- Impact Risk Monitoring -- one object
- Chronology
Asteroid/Comet Connection (A/CC) Resources:
- Consolidated Risk Tables - the CRT page
Of 669 risk-listed objects, 31 have had news in the last 31 days. Updated at 1600 UTC on 19 July.
- Ephemerides for risk-rated & nearby objects + NHATS targets & PMDs
- News archive (old) & news image catalog (discontinued)
- Object Links - mainly for radar targets & close passers (mostly discontinued)
- Observing Campaigns (revised 8 April)
The latest A/CC news is available via framed access,
RSS news feed, or redirection.
Navigation tips: Use the << and >> arrows on the menus for each regular section (Observers, Risks, etc.) to move to the previous and next day's news for that section. Use the Index menu item to access specific days through a calendar interface. To keep track of what's new each day, watch the Chronology section.
Traffic Report on 19 July '15
Two objects reported inside ten LD
There are two visitors reported inside ten lunar distances (LD) of our planet today. NHATS/radar target 436724 2011 UW158 comes its closest to Earth this time around, reaching 6.40 LD at 1436 UTC, and 2013 BQ18, which probably entered our ten-LD reporting "bubble" yesterday, is today calculated with some uncertainty to be inbound from 8.7 to 7.9 LD*.
This report was generated at 1620 UTC with follow-up in today's DOU MPEC for 2015 HM10, which was also reported in yesterday's DOU.
Notes: Ten times the distance to the Moon (ten LD) has no astronomical importance but puts a focus on transient natural objects that have recently approached the actually significant gravitational sphere of influence (SOI), which has a radius of about 2.41 LD from Earth's center. This reporting puts a focus on some of the most important and very best NEO observation work, representative of the much larger NEO discovery and tracking effort. Object distances are derived by A/CC from JPL Horizons data. "LD*" indicates some uncertainty in object passage time and distance. See also current sky chart and object details (alt-details), ephemerides, and today's timeline.
NEOCP Activity on 19 July '15
The MPC's NEO Confirmation Page has 25 listings
When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 25 objects listed. Of these, six were "one nighters." So far The Tracking News has counted a total of 28 listings on the NEOCP today.
To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object at Suno Observatory by Birtwhistle et al.
New MPECs on 19 July '15
Minor Planet Electronic Circulars
As of last check at 2359 UTC, there have been three MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2015-O19 time-stamped "12:02 UT" - Daily Orbit Update - see below
- MPEC 2015-O20 time-stamped "15:19 UT" - 2015 OH - see below
- MPEC 2015-O21 time-stamped "16:07 UT" - Observations and Orbits of Comets
<< OOC on 19 July '15 -- MPEC 2015-O21 - "16:07 UT" - Observations and Orbits of Comets
- Observation campaigns
- 0067P 67P/Churyumov-Gerasimenko (campaign) from ROAD (June 27.42-43p6, 28.42-43p7, 29.42-43p5, 30.42-43p8, July 5.42-43p8, 8.42-43p9, 9.42-43p8, 10.42-43p7, 11.42-43p8 & 13.42-43p5), Kevin Hills via iTelescope Obs. Moorook (July 4.85-86p3), Ageo Obs. (July 11.76p2), Dax Obs. (July 13.12-14p3), Geisei Obs. (July 14.77p2), Maisoncelles Obs. (July 16.08-10p3), Haute Provence Sud Obs. (July 16.11-12p3 & 17.13p2), and Campo Catino Austral Obs. (CAO) (July 17.41-43p3)
- Observations of other objects
- CK15M030 C/2015 M3 (Panstarrs) (i=66.0°, q=3.554 AU, Q=263.671 AU, TP=2015 Aug. 25.99717 TT) from Buchloe Obs. (July 15.95p3), Maidbronn Obs. (July 16.96-98p3), and Frasso Sabino Obs. (July 17.90-91p2)
- PK15M020 P/2015 M2 (Panstarrs) (Centaur, q=5.919 AU, Q=8.427 AU, TP=2015 Oct. 22.02027 TT) from B. Lutkenhoner via Slooh.com Canary Islands Obs. (July 14.14-18p4)
- CK15M010 C/2015 M1 (Panstarrs) (i=57.3°, q=2.091 AU, Q=574.859 AU, TP=2015 May 15.67483 TT) from Mt. John Obs. (July 17.50-51p3)
- PK15K050 P/2015 K5 (Panstarrs) (i=40.0°, q=2.997 AU, Q=10.427 AU, TP=2032 Oct. 27.54429 TT) from Buchloe Obs. (July 10.96p3) and Geisei Obs. (July 14.57-59p3)
- CK15K040 C/2015 K4 (Panstarrs) (i=80.3°, q=2.008 AU, TP=2015 May 1.77425 TT) from Frasso Sabino Obs. (July 11.92-93p2)
- CK15K010 C/2015 K1 (Master) (q=2.557 AU, Q=340.393 AU, TP=2014 Oct. 13.51368 TT) from Castelmartini Obs. (June 28.06-07p3, July 11.05-06p3, 12.05p3 & 13.05p3), Buchloe Obs. (July 11.01-02p3), and Geisei Obs. (July 14.70-71p2)
- PK15J030 P/2015 J3 (Neowise) (q=1.492 AU, Q=5.202 AU, TP=2021 Apr. 21.21642 TT) from Pan-STARRS 1 (PS1) (July 12.51-54p4 & 14.55-58p4) and Buchloe Obs. (July 15.99p3)
- CK15J020 C/2015 J2 (Panstarrs) (q=4.320 AU, Q=489.916 AU, TP=2015 Sept. 8.84726 TT) from Buchloe Obs. (July 10.92p3)
- CK15J010 C/2015 J1 (Panstarrs) (i=95.0°, q=6.018 AU, TP=2014 June 29.68202 TT) from Mt. John Obs. (July 17.32-33p4)
- CK15H010 C/2015 H1 (Bressi) (i=140.7°, q=1.926 AU, Q=63.190 AU, TP=2015 Mar. 28.62321 TT) from Olmen Obs. (July 11.98-99p3)
- CK15G00X C/2015 GX (Panstarrs) (i=90.0°, q=1.985 AU, Q=31.083 AU, TP=2080 July 7.95501 TT) from Buchloe Obs. (July 10.95p3) and Frasso Sabino Obs. (July 17.87-88p2)
- CK15F040 C/2015 F4 (Jacques) (i=48.7°, q=1.644 AU, Q=231.051 AU, TP=2015 Aug. 10.86183 TT) from Cruz del Sur Obs. (July 9.15-17p3), Brixiis Obs. (July 9.97-98p3), Ageo Obs. (July 10.49p4), Elche Obs. (July 10.88-90p3), Castelmartini Obs. (July 10.96-97p3, 11.95-96p3 & 12.95p3), Nonndorf Obs. (July 11.93-95p7 & 15.92-94p6), Rodeno Obs. (July 11.96-97p3 & 16.96p3), Frasso Sabino Obs. (July 11.97-98p5), Farra d'Isonzo Obs. (July 11.98-99p3), ROASTERR-1 Obs. (July 12.88-89p4), Blanquita Obs. (July 12.89p3), Dax Obs. (July 12.96-99p3), Estrella de Mar Obs. (July 13.00-05p3), CAO (July 13.30-33p2), Petit Jean Mtn. South Obs. (PJMSO) (July 13.34-36p10, 14.32-33p8, 18.32-33p6 & 19.33-34p7), Vegaquattro Obs. (July 13.86-91p10), Maritime Alps Obs. (July 13.92-93p3), La Vara Obs. (July 13.98p3), Montcabre Obs. (July 14.13-15p3), Chante-Perdrix Obs. (July 14.88-90p3), Haute Provence Sud Obs. (July 14.95-96p3 & 17.95-96p3), iTelescope Obs. Mayhill (July 15.23p3), Vicksburg Obs. (July 15.34-35p4), Les Barres Obs. (July 15.91-93p3), Starry Wanderer Obs. (July 15.92-94p15 & 17.94-96p10), Maisoncelles Obs. (July 15.95-99p3 & 17.98-02p3), Vallauris Obs. (July 16.89p5), Sencelles Obs. (July 17.91-92p2), San Marcello Pistoiese Obs. (July 17.93-99p3), and Carpe Noctem Obs. (July 19.01p3)
- PK15F010 P/2015 F1 (Panstarrs) (q=2.543 AU, Q=4.499 AU, TP=2021 Oct. 27.67906 TT) from Hills/RAS Moorook (July 4.45-47p3) and Buchloe Obs. (July 15.94p2)
- CK14X08B C/2014 XB8 (Panstarrs) (i=149.8°, q=3.010 AU, Q=1902.888 AU, TP=2015 Apr. 5.63261 TT) from Marco Micheli on Mauna Kea (July 15.62p3)
- CK14S020 C/2014 S2 (Panstarrs) (i=64.7°, q=2.101 AU, Q=337.471 AU, TP=2015 Dec. 9.80377 TT) from Castelmartini Obs. (July 13.08p3), Buchloe Obs. (July 15.98-99p3), and Starry Wanderer Obs. (July 17.00-01p4 & 17.97-98p14)
- CK14Q020 C/2014 Q2 (Lovejoy) (i=80.3°, q=1.290 AU, Q=1130.221 AU, TP=2015 Jan. 30.06773 TT) from Brixiis Obs. (July 9.91-95p6 & 10.04-07p5), Terrassa Obs. (July 10.87-89p3), Nonndorf Obs. (July 11.87-89p7 & 15.88-89p6), Maidbronn Obs. (July 11.90-92p9, 16.88p5 & 17.89-90p3), Olmen Obs. (July 11.93-95p3 & 17.90p2), Blanquita Obs. (July 12.88p3), Vinyols Obs. (July 12.90-91p3), Carpe Noctem Obs. (July 12.96p3 & 18.99p3), La Vara Obs. (July 12.96p3 & 13.97p3), Cielo Profundo Obs. (July 13.91-94p3 & 17.92-95p3), ROASTERR-1 Obs. (July 14.83-85p4), Montcabre Obs. (July 14.88-90p3), Farra d'Isonzo Obs. (July 14.89-93p3), Erik Bryssinck via iTelescope Obs. Mayhill (July 15.21p6), iTelObs-Mayhill (July 15.23p6), Chante-Perdrix Obs. (July 15.97p3), Vallauris Obs. (July 16.90-95p8), Wishing Star Obs. (July 17.07-08p3), and Haute Provence Sud Obs. (July 17.91-92p3)
- CK14Q010 C/2014 Q1 (Panstarrs) (i=43.1°, q=0.315 AU, Q=2108.681 AU, TP=2015 July 6.51276 TT) from CAO (July 16.96p2)
- CK14N030 C/2014 N3 (Neowise) (i=61.6°, q=3.882 AU, Q=11557.252 AU, TP=2015 Mar. 13.21406 TT) from Castelmartini Obs. (June 28.10p3, July 12.07-08p3 & 13.08-09p3) and ISON-Byurakan Obs. (July 14.96-99p4)
- CK14A040 C/2014 A4 (SONEAR) (i=121.4°, q=4.180 AU, TP=2015 Sept. 5.84989 TT) from Castelmartini Obs. (July 12.10p3)
- CK13V020 C/2013 V2 (Borisov) (i=37.9°, q=3.508 AU, TP=2014 Oct. 14.36733 TT) from Castelmartini Obs. (July 10.85p3, 11.84-85p3 & 12.85p3) and Buchloe Obs. (July 10.93p3)
- CK13U10S C/2013 US10 (Catalina) (i=148.9°, q=0.823 AU, TP=2015 Nov. 15.72001 TT) from ROAD (June 27.41-42p7, 28.41-42p7, 29.41-42p8 & 30.41-42p8), Cruz del Sur Obs. (July 9.23-28p3, 15.27-31p3 & 18.24-26p3), PS1 (July 14.60-61p3), Geisei Obs. (July 14.75-76p2), and CAO (July 17.26-29p3)
- CK13G090 C/2013 G9 (Tenagra) (i=146.2°, q=5.338 AU, TP=2015 Jan. 14.99468 TT) from Kurihara Obs. (May 10.55p2)
- CK13G030 C/2013 G3 (Panstarrs) (i=64.7°, q=3.852 AU, TP=2014 Nov. 15.21287 TT) from Brixiis Obs. (July 10.01-02p3)
- CK13A010 C/2013 A1 (Siding Spring) (i=129.0°, q=1.399 AU, TP=2014 Oct. 25.30089 TT) from SATINO-1 (May 27.90-95p3), Farra d'Isonzo Obs. (July 11.86-87p2), Rodeno Obs. (July 11.87-89p3 & 16.88-90p3), Nonndorf Obs. (July 11.89-91p6), Olmen Obs. (July 11.91-92p3), Carpe Noctem Obs. (July 12.95-96p3), Chante-Perdrix Obs. (July 15.98p2 & 17.91-92p3), and Maidbronn Obs. (July 17.87-88p3)
- CK12U010 C/2012 U1 (Panstarrs) (i=56.3°, q=5.264 AU, Q=14677.192 AU, TP=2014 July 5.21376 TT) from Buchloe Obs. (July 10.94p3)
- CK12L26P C/2012 LP26 (Palomar) (q=6.536 AU, Q=16856.380 AU, TP=2015 Aug. 16.60499 TT) from Vegaquattro Obs. (July 13.90p1 & 13.94p2) and SATINO-1 (July 17.92-97p3)
- CK12K080 C/2012 K8 (Lemmon) (i=106.1°, q=6.463 AU, TP=2014 Aug. 19.36536 TT) from Maidbronn Obs. (July 16.90-92p3)
- CK12F030 C/2012 F3 (Panstarrs) (i=11.4°, q=3.457 AU, TP=2015 Apr. 6.68689 TT) from Brixiis Obs. (July 9.95-96p3), Rodeno Obs. (July 11.94-95p3 & 16.93-94p3), La Vara Obs. (July 13.00-01p3 & 13.99-00p3), Sencelles Obs. (July 14.89-92p2), Haute Provence Sud Obs. (July 14.99-01p3), Nonndorf Obs. (July 15.91p2), and Buchloe Obs. (July 15.96-97p3)
- CK11K36P C/2011 KP36 (Spacewatch) (q=4.883 AU, Q=71.939 AU, TP=2016 May 26.89647 TT) from Brixiis Obs. (July 9.99-01p3), Castelmartini Obs. (July 10.99p3, 11.97p3 & 12.96-97p3), Olmen Obs. (July 11.99-00p3), Santa Maria de Montmagastrell Obs. (July 12.00-02p3), Farra d'Isonzo Obs. (July 12.01-03p2), San Marcello Pistoiese Obs. (July 12.02-05p2), Rodeno Obs. (July 12.02-05p3 & 17.05-07p3), and Les Barres Obs. (July 19.06-10p2)
- CK11J020 C/2011 J2 (LINEAR) (i=122.8°, q=3.444 AU, TP=2013 Dec. 25.49464 TT) from Nonndorf Obs. (July 11.99-01p5), Olmen Obs. (July 12.01-02p3), Dax Obs. (July 13.02-04p3), Castelmartini Obs. (July 13.03p3), and Estrella de Mar Obs. (July 14.13-16p3)
- CK06S030 C/2006 S3 (LONEOS) (i=166.0°, q=5.130 AU, TP=2012 Apr. 14.74126 TT) from Kurihara Obs. (May 10.53-54p2)
- CK03G010 C/2003 G1 (LINEAR) (i=66.9°, q=4.916 AU, TP=2003 Feb. 3.65216 TT) from NEAT's USAF Haleakala telescope (2003 May 29.58-60p2, 2003 July 28.32-34p3 & 2003 Aug. 8.28-30p3)
- CK00Y020 C/2000 Y2 (Skiff) (q=2.769 AU, Q=976.051 AU, TP=2001 Mar. 21.81899 TT) from NEAT/Hawaii (2000 Nov. 22.64-65p2, 2000 Dec. 30.54-55p2, 2001 Jan. 19.50-52p3 & 2001 May 22.26-27p2)
- 0324P 324P/La Sagra from Mt. John Obs. (July 12.56p1, 13.52p2 & 17.53p2)
- 0319P 319P/Catalina-McNaught from Castelmartini Obs. (June 28.05-06p3, July 12.06p3 & 13.07p3) and Panamanian San Pedro Atacama Obs. (OPSPA) (July 15.29-33p4)
- 0299P 299P/Catalina-PANSTARRS from Buchloe Obs. (July 10.92-93p3), PS1 (July 13.30-33p4 & 14.30-33p8), and Hills/RAS Moorook (July 17.54p3)
- 0231P 231P/LINEAR-NEAT from NEAT's Mt. Palomar telescope (2003 March 10.35p1 & 2003 March 10.42p1) and NEAT/Hawaii (2003 May 1.24-25p2 & 2003 May 14.31-33p3)
- 0230P 230P/LINEAR from WISE (July 15.87p1, 15.99p1, 16.13p1, 16.26p1, 16.39p1, 16.52p1, 16.66p1, 16.72p1, 16.79p1, 16.85p1, 16.92p1, 17.05p1, 17.18p1 & 17.38p1)
- 0221P 221P/LINEAR from Brixiis Obs. (July 6.91-92p3 & 9.90-91p3), Buchloe Obs. (July 10.98p3), Dax Obs. (July 12.90-92p3), Maidbronn Obs. (July 16.94-95p3 & 17.91-92p3), Rodeno Obs. (July 16.98-99p3), Chante-Perdrix Obs. (July 17.93-96p3), and Carpe Noctem Obs. (July 19.00-01p3)
- 0220P 220P/McNaught from the Space Surveillance Telescope Atom Site (July 18.44-47p5)
- 0218P 218P/LINEAR from Elche Obs. (June 25.99-04p3), Buchloe Obs. (July 10.99p3), Olmen Obs. (July 12.02-03p3), San Marcello Pistoiese Obs. (July 12.04-05p2 & 18.02-06p3), the Catalina Sky Survey (CSS) (July 12.36-39p4), Vicksburg Obs. (July 14.38-40p3, 15.35-37p3 & 18.39-40p4), Maisoncelles Obs. (July 15.99-03p3), Rodeno Obs. (July 17.01-02p2), and Haute Provence Sud Obs. (July 17.07-08p2)
- 0216P 216P/LINEAR from NEAT/Hawaii (2001 April 14.24-26p3 & 2001 May 8.36-38p2)
- 0205P 205P/Giacobini from Castelmartini Obs. (June 28.09-10p3)
- 0190P 190P/Mueller from SST Atom Site (July 14.31-33p7 & 18.31-33p4) and PS1 (July 14.44-47p4)
- 0141P 141P/Machholz from Buchloe Obs. (July 11.03p3), Chante-Perdrix Obs. (July 14.07-08p2, 16.11-12p3, 17.07-08p2 & 18.10-11p2), CAO (July 16.38-40p2), and Maisoncelles Obs. (July 18.04-10p6)
- 0136P 136P/Mueller 3 from PS1 (July 11.48-52p6)
- 0134P 134P/Kowal-Vavrova from PS1 (July 14.48-51p3)
- 0117P 117P/Helin-Roman-Alu 1 from Hills/RAS Moorook (July 4.73-74p3) and SONEAR Obs. (July 13.28-30p3)
- 0088P 88P/Howell from Castelmartini Obs. (June 28.08-09p3, July 12.09-10p3 & 13.10-11p3), Rodeno Obs. (July 12.10-11p3 & 17.12-13p3), Vicksburg Obs. (July 16.40-42p4 & 18.41-42p4), and Maisoncelles Obs. (July 18.11p2)
- 0070P 70P/Kojima from PS1 (July 18.28-29p3)
- 0061P 61P/Shajn-Schaldach from Castelmartini Obs. (June 28.07-08p3, July 11.06p3 & 13.06p3), Dax Obs. (July 13.09-11p3), CAO (July 16.34-37p2 & 17.30-36p3), Chante-Perdrix Obs. (July 17.10-11p3), and SST Atom Site (July 18.44-46p4)
- 0057P 57P/duToit-Neujmin-Delporte from Buchloe Obs. (July 11.00p2), Castelmartini Obs. (July 11.03p3, 12.03p3 & 13.02p3), Ageo Obs. (July 11.68-69p2), Dax Obs. (July 13.05-07p3), Estrella de Mar Obs. (July 13.13-16p3), Nonndorf Obs. (July 16.02-04p7), and Vicksburg Obs. (July 18.43p2)
- 0053P 53P/Van Biesbroeck from Kurihara Obs. (May 10.60-61p2), Hills/RAS Moorook (July 5.43-44p3), Castelmartini Obs. (July 10.86p3, 11.85-86p3 & 12.85-86p3), and Lutkenhoner/Slooh.com CIO (July 10.90-91p2)
- 0051P 51P/Harrington from CAO (July 13.38-40p2, 15.28-32p2 & 16.30-33p2), Hidetaka Sato via iTelescope Obs. Auberry (July 14.45-46p3), and Chante-Perdrix Obs. (July 16.09-10p2)
- 0050P 50P/Arend from CAO (July 13.34-37p2) and Lutkenhoner/Slooh.com CIO (July 18.18p2)
- 0044P 44P/Reinmuth 2 from Castelmartini Obs. (July 12.08-09p3), CAO (July 15.37-40p2), and Haute Provence Sud Obs. (July 16.09-10p2 & 17.10-11p2)
- 0043P 43P/Wolf-Harrington from PS1 (July 15.42-46p3)
- 0042P 42P/Neujmin 3 from Buchloe Obs. (July 11.01p2)
- 0032P 32P/Comas Sola from Kurihara Obs. (May 10.56-57p2) and PS1 (July 12.28-29p4)
- 0029P 29P/Schwassmann-Wachmann 1 from Auckland Obs. (July 11.56-58p3, 12.27-29p5, 12.52-54p6 & 13.47-51p5), Farm Cove Obs. (July 12.29-31p7 & 13.27-30p7), Geyserland Obs. (July 12.56-57p4 & 13.56-57p3), La Vara Obs. (July 12.97-98p3 & 13.95-96p3), CAO (July 13.25p1, 13.29p1, 15.24-27p2, 16.25-28p2, 16.99p1 & 17.04p1), PJMSO (July 14.23p4), Chante-Perdrix Obs. (July 14.90-92p2), Gisborne Obs. (July 16.45p1, 16.50-55p3, 16.60p1, 17.29p1, 17.53p1 & 17.60p1), Blue Mountains Obs. (July 17.35p1, 17.39-43p2, 17.50p1, 17.56-57p2, 17.63p1 & 17.67-70p2), and Haute Provence Sud Obs. (July 17.88-89p2)
- 0022P 22P/Kopff from Kurihara Obs. (May 10.57-58p3), Oleksandr V. Shulga via Nikolaev Obs. (June 23.88p2), Hills/RAS Moorook (July 5.45-46p3), Ageo Obs. (July 10.47p2), Castelmartini Obs. (July 10.87-88p3, 11.86-87p3 & 12.86-87p3), Lutkenhoner/Slooh.com CIO (July 10.90-93p3), and Olmen Obs. (July 11.90-91p3)
- 0010P 10P/Tempel 2 from Kurihara Obs. (May 10.61-62p3), Castelmartini Obs. (July 10.88p3 & 11.88p3), WISE (July 11.44p1, 11.57p1, 11.70p1, 11.83p1, 11.90p1, 11.96p1, 12.03p1, 12.10p1, 12.16p1, 12.29p1 & 12.55p1), Ageo Obs. (July 11.47-48p2), Rodeno Obs. (July 11.90-91p3), La Vara Obs. (July 12.91p3), and Carpe Noctem Obs. (July 12.95p2)
MPEC 2015-O20 - "15:19 UT" - 2015 OH
- K15O00H 2015 OH (H=19.9 ~355m) was picked up at 2246 UT on 16 July by MARGO, observing it at July 16.95-96p3. This detection was confirmed by Mt. John Obs. (July 17.61p4 & 19.55-56p5), Farra d'Isonzo Obs. (July 17.96-97p2 & 18.99p2), Andrushivka Obs. (July 17.99-01p5), Dax Obs. (July 18.01-03p3 & 19.05-08p4), Great Shefford Obs. (July 18.02p3), Siegen Obs. (July 18.05-07p6), Polonia Obs. (July 18.17p4), Cruz del Sur Obs. (July 18.21-23p3), Astronomical Research Obs. Westfield (July 18.28-29p6), Robert Holmes via Cerro Tololo Inter-American Obs. (CTIO) (July 18.28-29p4 & 19.29-30p4), Elena Remote Obs. (July 18.29-30p4), LCOGT Cerro Tololo A (July 18.31-32p7), M. Suzuki via iTelescope Obs. Auberry (July 18.33p2), iTelObs-Mayhill (July 18.44-45p3), Bisei Spaceguard Center (July 18.63-64p9), Arcadia Obs. (July 18.64-65p3), Bernezzo Obs. (July 18.96-97p3), San Marcello Pistoiese Obs. (July 19.02-03p3), Steven M. Tilley via iTelescope Obs. Nerpio (July 19.13-14p4), and SONEAR Obs. (July 19.29-30p3).
<< DOU on 19 July '15 >> MPEC 2015-O19 - "12:02 UT" - Daily Orbit Update
- Observations of risk-listed objects
- K13X22K 2013 XK22 (small asteroid, arc=3 opp, H=24.3 ~47m, NHATS target) from Tim Lister via Faulkes Telescope North (July 18.52-55p3 at R=21.8-22.5)
- Observations of close-passing objects
- K15H10M 2015 HM10 (Q=4.081 AU, arc=91 days, H=23.6 ~65m, radar support) from LCOGT Cerro Tololo C (July 18.31-35p9) and Lister/Faulkes North (July 18.56-60p10)
- Observation campaigns (NHATS targets, PMDs, radar support)
- K15N14A 2015 NA14 (arc=4 days, H=22.2 ~123m, NHATS) from PJMSO (July 19.30-32p12)
- Y8400 348400 2005 JF21 (radar) from Sopot Obs. (July 4.87p1, 4.94-97p2, 5.03p1, 5.85p1 & 5.92-99p3) and PJMSO (July 19.29-30p5)
- S1375 281375 2008 JV19 (NHATS) from SST Atom Site (July 18.39-42p10) and PS1 (July 18.55-59p4)
- 85989 85989 1999 JD6 (radar) from Sencelles Obs. (July 17.87-90p5) and PJMSO (July 19.38p6)
- 68278 68278 2001 FC7 (PMD) from SST Atom Site (July 18.33-35p5) and PS1 (July 18.50-54p4)
- 04055 4055 Magellan (1985 DO2) (radar) from Grorudalen Obs. (July 15.99-02p3) and Spirit Marsh Obs. (July 19.21-24p3)
- 01566 1566 Icarus (1949 MA) (radar) from Blue Mountains Obs. (July 17.41p1, 17.46p1 & 17.51p1)
-- NHATS target table & ephemerides -- PMD list & ephemerides -- Planetary radar schedules: Arecibo & Goldstone - Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
- K15MB6E 2015 ME116 (arc=23 days, H=22.2 ~123m) from PS1 (July 18.40-44p3)
- K15KC2K 2015 KK122 (arc=59 days, H=22.4 ~112m) from PS1 (July 18.40-44p3)
- K12P28O 2012 PO28 (arc=3 opp, H=22.0 ~135m) from PS1 (July 18.45-47p2)
- Observations of other objects
- K15N14B 2015 NB14 (arc=3 days, H=20.6 ~257m) from SST Atom Site (July 18.31-33p4)
- K15N13Z 2015 NZ13 (arc=4 days, H=20.6 ~257m) from PJMSO (July 19.32-33p8)
- K15MD0O 2015 MO130 (arc=30 days, H=21.6 ~162m) from PS1 (July 18.51-53p3)
- K15M59U 2015 MU59 (arc=31 days, H=19.9 ~355m) from SST Atom Site (July 18.38-40p5)
- K15M01P 2015 MP1 (arc=32 days, H=20.1 ~323m) from Bernezzo Obs. (July 18.90-91p3)
- K15KF4Q 2015 KQ154 (arc=55 days, H=18.8 ~589m) from PJMSO (July 19.28p5)
- K15J01Y 2015 JY1 (arc=65 days, H=20.8 ~234m) from ARO Westfield (July 18.16-17p6)
- K15E00Z 2015 EZ (arc=2 opp, H=20.3 ~295m) from PJMSO (July 19.37p6)
- K15DJ8J 2015 DJ198 (arc=2 opp, H=20.9 ~224m) from SST Atom Site (July 18.36-37p4)
- K14Wa5F 2014 WF365 (arc=2 opp, H=17.3 ~1.17 km) from PJMSO (July 19.34-35p6)
- K12TD9M 2012 TM139 (arc=2 opp, H=19.6 ~407m) from Frasso Sabino Obs. (July 17.95-96p5) and PJMSO (July 19.28-29p6)
- K12P06G 2012 PG6 (q=0.322 AU, arc=3 opp, H=20.3 ~295m) from PS1 (July 18.50-53p3)
- K12O01D 2012 OD1 (i=42.3°, arc=3 opp, H=18.6 ~645m) from Frasso Sabino Obs. (July 18.05-06p3)
- K12N00P 2012 NP (arc=4 opp, H=21.3 ~186m) from PS1 (July 18.41-45p3)
- K12A10U 2012 AU10 (i=39.1°, arc=4 opp, H=18.2 ~776m) from SST Atom Site (July 18.37-41p7) and PS1 (July 18.51-54p4)
- K11N00P 2011 NP (i=39.0°, arc=3 opp, H=19.9 ~355m) from PJMSO (July 19.33p6)
- K08G00X 2008 GX (arc=4 opp, H=19.5 ~426m) from SST Atom Site (July 18.39-41p5)
- K06W01O 2006 WO1 (Q=4.223 AU, arc=2 opp, H=19.1 ~513m) from PJMSO (July 19.36-37p6)
- K06A00W 2006 AW (arc=2 opp, H=18.5 ~676m) from Frasso Sabino Obs. (July 18.04-05p3)
- K02R00B 2002 RB (arc=2 opp, H=20.7 ~245m) from SST Atom Site (July 18.33-38p9)
- K00X47H 2000 XH47 (arc=4 opp, H=19.1 ~513m) from SST Atom Site (July 18.38-40p5)
- J88N00E 1988 NE (arc=2 opp, H=19.0 ~537m) from PJMSO (July 19.35-36p6)
- f8233 418233 2008 DV from SST Atom Site (July 18.39-41p5)
- X8172 338172 2002 RV112 from Frasso Sabino Obs. (July 17.93p2)
- T4739 294739 2008 CM from Bernezzo Obs. (July 18.94-95p3) and PJMSO (July 19.30p5)
- T3054 293054 2006 WP127 from ARO Westfield (July 18.39-40p6)
- T2165 292165 2006 SC6 from PS1 (July 18.55-59p6)
- F4302 154302 2002 UQ3 from ARO Westfield (July 18.31-34p3 at V=22.3-4)
- E2781 142781 2002 UM11 from ARO Westfield (July 18.18-20p3)
- 54789 54789 2001 MZ7 from Bernezzo Obs. (July 18.92p3)
- 11054 11054 1991 FA from SST Atom Site (July 18.43-47p5)
- 07889 7889 1994 LX from ARO Westfield (July 18.11-12p6)
- 07888 7888 1993 UC from PS1 (July 18.55-58p3)
- 04183 4183 Cuno (1959 LM) from SST Atom Site (July 18.33-36p8)
Observers on 19 July '15
A total of 80 observers appear in today's MPECs.
| Code | Observer / observatory |
|---|---|
| 349 | Ageo Obs. in Japan, 5 in MPEC 2015-O21 -- C/2015 F4, 67P, 57P, 22P, 10P |
| A50 | Andrushivka Obs. in the Ukraine, 1 in MPEC 2015-O20 -- 2015 OH |
| E23 | Arcadia Obs. in New South Wales, 1 in MPEC 2015-O20 -- 2015 OH |
| H21 | Astronomical Research Obs. Westfield in Illinois, 6 in MPECs 2015-O19 & 2015-O20 -- 2015 OH, 2015 JY1, 293054, 154302, 142781, 7889 |
| 467 | Auckland Obs. in New Zealand, 1 in MPEC 2015-O21 -- 29P |
| C77 | Bernezzo Obs. in Italy, 4 in MPECs 2015-O19 & 2015-O20 -- 2015 OH, 2015 MP1, 54789, 294739 |
| 300 | Bisei Spaceguard Center in Japan, 1 in MPEC 2015-O20 -- 2015 OH |
| I99 | Blanquita Obs. in Spain, 2 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2 |
| Q68 | Blue Mountains Obs. in New South Wales, 2 in MPECs 2015-O19 & 2015-O21 -- 1566, 29P |
| B96 | Brixiis Obs. in Belgium, 6 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2, C/2013 G3, C/2012 F3, C/2011 KP36, 221P |
| 215 | Buchloe Obs. in Germany, 17 in MPEC 2015-O21 -- C/2015 M3, P/2015 K5, C/2015 K1, P/2015 J3, C/2015 J2, C/2015 GX, P/2015 F1, C/2014 S2, C/2013 V2, C/2012 U1, C/2012 F3, 299P, 221P, 218P, 141P, 57P, 42P |
| W96 | Campo Catino Austral Obs. (CAO) in Chile, 10 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q1, C/2013 US10, 141P, 67P, 61P, 51P, 50P, 44P, 29P |
| I72 | Carpe Noctem Obs. in Spain, 5 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2, C/2013 A1, 221P, 10P |
| 160 | Castelmartini Obs. in Italy, 17 in MPEC 2015-O21 -- C/2015 K1, C/2015 F4, C/2014 S2, C/2014 N3, C/2014 A4, C/2013 V2, C/2011 KP36, C/2011 J2, 319P, 205P, 88P, 61P, 57P, 53P, 44P, 22P, 10P |
| 703 | Catalina Sky Survey in Arizona, 1 in MPEC 2015-O21 -- 218P |
| 807| | Robert Holmes in Illinois via Cerro Tololo Inter-American Obs. in Chile, 1 in MPEC 2015-O20 -- 2015 OH |
| A77 | Chante-Perdrix Obs. in France, 8 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2, C/2013 A1, 221P, 141P, 61P, 51P, 29P |
| J01 | Cielo Profundo Obs. in Spain, 1 in MPEC 2015-O21 -- C/2014 Q2 |
| I39 | Cruz del Sur Obs. in Argentina, 3 in MPECs 2015-O20 & 2015-O21 -- 2015 OH, C/2015 F4, C/2013 US10 |
| 958 | Dax Obs. in France, 7 in MPECs 2015-O20 & 2015-O21 -- 2015 OH, C/2015 F4, C/2011 J2, 221P, 67P, 61P, 57P |
| I57 | Elche Obs. in Spain, 2 in MPEC 2015-O21 -- C/2015 F4, 218P |
| G32 | Elena Remote Obs. in Chile, 1 in MPEC 2015-O20 -- 2015 OH |
| Z81 | Estrella de Mar Obs. in Spain, 3 in MPEC 2015-O21 -- C/2015 F4, C/2011 J2, 57P |
| E85 | Farm Cove Obs. in New Zealand, 1 in MPEC 2015-O21 -- 29P |
| 595 | Farra d'Isonzo Obs. in Italy, 5 in MPECs 2015-O20 & 2015-O21 -- 2015 OH, C/2015 F4, C/2014 Q2, C/2013 A1, C/2011 KP36 |
| F65% | Tim Lister in southern California via Faulkes Telescope North in Hawaii, 2 in MPEC 2015-O19 -- 2015 HM10, 2013 XK22 |
| 157 | Frasso Sabino Obs. in Italy, 8 in MPECs 2015-O19 & 2015-O21 -- C/2015 M3, C/2015 K4, C/2015 GX, C/2015 F4, 2012 TM139, 2012 OD1, 2006 AW, 338172 |
| 372 | Geisei Obs. in Japan, 4 in MPEC 2015-O21 -- P/2015 K5, C/2015 K1, C/2013 US10, 67P |
| E89 | Geyserland Obs. in New Zealand, 1 in MPEC 2015-O21 -- 29P |
| E94 | Gisborne Obs. in New Zealand, 1 in MPEC 2015-O21 -- 29P |
| J95 | Great Shefford Obs. in England, 1 in MPEC 2015-O20 -- 2015 OH |
| 238 | Grorudalen Obs., 1 in MPEC 2015-O19 -- 4055 |
| K25 | Haute Provence Sud Obs. in France, 7 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2, C/2012 F3, 218P, 67P, 44P, 29P |
| L96 | ISON-Byurakan Obs., 1 in MPEC 2015-O21 -- C/2014 N3 |
| U69" | M. Suzuki in Japan via iTelescope Obs. Auberry in northern California, 1 in MPEC 2015-O20 -- 2015 OH |
| U695 | Hidetaka Sato in Japan via iTelescope Obs. Auberry in northern California, 1 in MPEC 2015-O21 -- 51P |
| H06 | iTelescope Obs. Mayhill in New Mexico, 3 in MPECs 2015-O20 & 2015-O21 -- 2015 OH, C/2015 F4, C/2014 Q2 |
| H06` | Erik Bryssinck in Belgium via iTelescope Obs. Mayhill in New Mexico, 1 in MPEC 2015-O21 -- C/2014 Q2 |
| D90` | Kevin Hills in England via iTelescope Obs. Moorook in South Australia, 6 in MPEC 2015-O21 -- P/2015 F1, 299P, 117P, 67P, 53P, 22P |
| I89' | Steven M. Tilley in Louisiana via iTelescope Obs. Nerpio in Spain, 1 in MPEC 2015-O20 -- 2015 OH |
| D95 | Kurihara Obs. in Japan, 6 in MPEC 2015-O21 -- C/2013 G9, C/2006 S3, 53P, 32P, 22P, 10P |
| J38 | La Vara Obs. in Spain, 5 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2, C/2012 F3, 29P, 10P |
| W85 | LCOGT Cerro Tololo A in Chile, 1 in MPEC 2015-O20 -- 2015 OH |
| W87 | LCOGT Cerro Tololo C in Chile, 1 in MPEC 2015-O19 -- 2015 HM10 |
| K22 | Les Barres Obs., 2 in MPEC 2015-O21 -- C/2015 F4, C/2011 KP36 |
| B82 | Maidbronn Obs. in Germany, 5 in MPEC 2015-O21 -- C/2015 M3, C/2014 Q2, C/2013 A1, C/2012 K8, 221P |
| C10 | Maisoncelles Obs. in France, 5 in MPEC 2015-O21 -- C/2015 F4, 218P, 141P, 88P, 67P |
| L51 | MARGO, 1 in MPEC 2015-O20 -- 2015 OH |
| K32 | Maritime Alps Obs., 1 in MPEC 2015-O21 -- C/2015 F4 |
| 568_ | Marco Micheli on Mauna Kea in Hawaii, 1 in MPEC 2015-O21 -- C/2014 XB8 |
| 213 | Montcabre Obs. in Spain, 2 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2 |
| 474 | Mt. John Obs. in New Zealand, 4 in MPECs 2015-O20 & 2015-O21 -- 2015 OH, C/2015 M1, C/2015 J1, 324P |
| 644 | NEAT's Mt. Palomar telescope in southern California, 1 in MPEC 2015-O21 -- 231P |
| 608 | NEAT's USAF Haleakala telescope in Hawaii, 4 in MPEC 2015-O21 -- C/2003 G1, C/2000 Y2, 231P, 216P |
| 0892 | Oleksandr V. Shulga via Nikolaev Obs. in the Ukraine, 1 in MPEC 2015-O21 -- 22P |
| C47 | Nonndorf Obs. in Austria, 6 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2, C/2013 A1, C/2012 F3, C/2011 J2, 57P |
| C23 | Olmen Obs. in Belgium, 7 in MPEC 2015-O21 -- C/2015 H1, C/2014 Q2, C/2013 A1, C/2011 KP36, C/2011 J2, 218P, 22P |
| F51 | Pan-STARRS 1 (PS1) in Hawaii, 20 in MPECs 2015-O19 & 2015-O21 -- 2015 MO130, 2015 ME116, 2015 KK122, P/2015 J3, C/2013 US10, 2012 PO28, 2012 PG6, 2012 NP, 2012 AU10, 68278, 292165, 281375, 7888, 299P, 190P, 136P, 134P, 70P, 43P, 32P |
| W95 | Panamanian San Pedro Atacama Obs. in Chile, 1 in MPEC 2015-O21 -- 319P |
| H45 | Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 14 in MPECs 2015-O19 & 2015-O21 -- 2015 NZ13, 2015 NA14, 2015 KQ154, C/2015 F4, 2015 EZ, 2014 WF365, 2012 TM139, 2011 NP, 2006 WO1, 1988 NE, 85989, 348400, 294739, 29P |
| W98 | Polonia Obs. in Chile, 1 in MPEC 2015-O20 -- 2015 OH |
| G39 | ROAD in Chile, 2 in MPEC 2015-O21 -- C/2013 US10, 67P |
| L04 | ROASTERR-1 Obs. in Romania, 2 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2 |
| 939 | Rodeno Obs. in Spain, 8 in MPEC 2015-O21 -- C/2015 F4, C/2013 A1, C/2012 F3, C/2011 KP36, 221P, 218P, 88P, 10P |
| 104 | San Marcello Pistoiese Obs. in Italy, 4 in MPECs 2015-O20 & 2015-O21 -- 2015 OH, C/2015 F4, C/2011 KP36, 218P |
| B74 | Santa Maria de Montmagastrell Obs. in Spain, 1 in MPEC 2015-O21 -- C/2011 KP36 |
| C95 | SATINO-1 in France, 2 in MPEC 2015-O21 -- C/2013 A1, C/2012 LP26 |
| K14 | Sencelles Obs. in Spain, 3 in MPECs 2015-O19 & 2015-O21 -- C/2015 F4, C/2012 F3, 85989 |
| 510 | Siegen Obs. in Germany, 1 in MPEC 2015-O20 -- 2015 OH |
| G409 | B. Lutkenhoner in Germany via Slooh.com Canary Islands Obs. in the Canary Islands, 4 in MPEC 2015-O21 -- P/2015 M2, 53P, 50P, 22P |
| Y00 | SONEAR Obs. in Brazil, 2 in MPECs 2015-O20 & 2015-O21 -- 2015 OH, 117P |
| K90 | Sopot Obs. in Serbia, 1 in MPEC 2015-O19 -- 348400 |
| G45 | Space Surveillance Telescope Atom Site in New Mexico, 15 in MPECs 2015-O19 & 2015-O21 -- 2015 NB14, 2015 MU59, 2015 DJ198, 2012 AU10, 2008 GX, 2002 RB, 2000 XH47, 68278, 418233, 281375, 11054, 4183, 220P, 190P, 61P |
| V78 | Spirit Marsh Obs. in Minnesota, 1 in MPEC 2015-O19 -- 4055 |
| C36 | Starry Wanderer Obs. in Belarus, 2 in MPEC 2015-O21 -- C/2015 F4, C/2014 S2 |
| C35 | Terrassa Obs. in Spain, 1 in MPEC 2015-O21 -- C/2014 Q2 |
| B51 | Vallauris Obs. in France, 2 in MPEC 2015-O21 -- C/2015 F4, C/2014 Q2 |
| K41 | Vegaquattro Obs. in Italy, 2 in MPEC 2015-O21 -- C/2015 F4, C/2012 LP26 |
| H47 | Vicksburg Obs. in Mississippi, 4 in MPEC 2015-O21 -- C/2015 F4, 218P, 88P, 57P |
| C90 | Vinyols Obs., 1 in MPEC 2015-O21 -- C/2014 Q2 |
| C51 | WISE in Earth polar orbit, 2 in MPEC 2015-O21 -- 230P, 10P |
| I15 | Wishing Star Obs. in Rhode Island, 1 in MPEC 2015-O21 -- C/2014 Q2 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 19 July '15
| 0000NNN000 Object | Risk Monitor | When Noted UTC | 0000T0000 Year Range | VI # | 000NN00 Prob Cum | T0000 PS Cum | T0000 PS Max | T S | Notes for Today's Latest Risk Assessments |
| 2013 XK22 | JPL Sentry | 1600 | 2101 | 1 | 2.1e-05 | -4.65 | -4.65 | 0 | JPL: "Analysis based on 88 observations spanning 581.11 days (2013-Dec-14.43128 to 2015-Jul-18.545478)." Diameter approximately 0.050 km. from mean, weighted H=24.1. |
| NEODyS | 1456 | 2101-2109 | 4 | 2.19e-05 | -4.64 | -4.64 | 0 | NEODyS: "Based on 89 optical observations (of which 3 are rejected as outliers) from 2013-12-14.432 to 2015-07-18.546." | |
Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale (next 100 years)
An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" to learn more.
Chronology on 19 July '15
Times are UTC for when items were noted or added by The Tracking News.
| 1630 | Grabbed MPEC 2015-O21 - Observations and Orbits of Comets - see above |
| 1620 | Generated Traffic Report |
| 1600 | Noted that JPL Sentry has updated its 2013 XK22 risk assessment - see above Grabbed MPEC 2015-O20 - 2015 OH - see above |
| 1456 | Noted that NEODyS has updated its 2013 XK22 risk assessment - see above Grabbed MPEC 2015-O19 - Daily Orbit Update - see above |