Contents on 8 August '17
- Traffic Report -- one object
- IAU Minor Planet Center
- NEOCP Activity -- 51 listings
- New MPECs -- one MPEC
- Observers -- thirteen observers
- Impact Risk Monitoring -- nothing to report
- Chronology
Asteroid/Comet Connection (A/CC) Resources:
- Consolidated Risk Tables - the CRT page
Of 788 risk-listed objects, 18 have had news in the last 31 days. Updated at 1504 UTC on 8 Aug.
- Ephemerides for risk-listed objects & close passers
- News archive (old) & news image catalog (discontinued)
- Object Links - mainly for radar targets & close passers (mostly discontinued)
- Observing Campaigns (old)
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 8 August '17
One object reported inside ten LD
One minor object is known to be passing less than ten lunar distances (LD) from Earth today. 2017 NB7 is outbound from 7.13 to 7.63 LD.
| Earth passage | I D | ~Size | Distance Today | Notes |
| 6.83 LD Aug. 6 | 2017 NB7 | 77 m | 7.13 to 7.63 LD | |
| Approaching (sorted by 10-LD bubble entry date) | ||||
| 7.87 LD Sept. 29 | 1989 VB | 389 m | < 10 LD Sept. 25 | |
| 0.13 LD Oct. 12 | 2012 TC4 | 15 m | < 10 LD Oct. 5, intruder, radar/NHATS target, risk | |
| 8.5 LD Oct. 13 | 2005 TE49 | 15 m | < 10 LD Oct. 11, uncertainty +/- 10.1167 hours, NHATS target | |
| 5.77 LD Oct. 22 | 171576 1999 VP11 | 645 m | < 10 LD Oct. 20 | |
This report was generated at 2000 UTC with today's DOU MPEC carrying follow-up for departed radar target 2017 CS, additional observation of departed 2017 OZ19 from within its discovery arc, and astrometry from April 2014 for NHATS target 2011 PU1.
Some reading tips: Tucson.com has an article from January from the Arizona Daily Star about the Catalina Sky Survey putting improved cameras on two of its telescopes. And, as noted recently on the Comets Mailing List, a paper was posted last November about "SOHO Comets: 20-Years and 3,000 Objects Later."
Notes: Ten times the distance to the Moon (ten LD) has no astronomical importance but is a useful boundary for reporting on transient natural objects that approach the actually significant gravitational sphere of influence (SOI), which has a radius of about 2.41 LD from Earth's center. This 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. See also current sky chart and object details (alt-details), ephemerides, and today's timeline.
NEOCP Activity on 8 August '17
The MPC's NEO Confirmation Page has 51 listings
When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 51 objects listed. Of these, 20 were "one nighters." So far The Tracking News has counted a total of 54 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 8 August '17
Minor Planet Electronic Circulars
As of last check at 2358 UTC, there has been one MPEC posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
<< DOU on 8 Aug. '17 >> MPEC 2017-P34 - "12:03 UT" - Daily Orbit Update
- Observations of close-passing objects
- K17O19Z 2017 OZ19 (arc=6 days, H=27.5 ~11m) from Marco Micheli on Mauna Kea (July 29.47p3 at G=22.0-22.4)
- K17C00S 2017 CS (Q=4.199 AU, arc=197 days, H=19.8 ~371m, radar support) from Astronomical Research Obs. Westfield (Aug. 5.20p4)
- K11P01U 2011 PU1 (arc=4 opp, H=25.6 ~26m, NHATS target) from UH/Tholen NEO Follow-Up CFH Telescope (2014 April 4.25-26p3 at G=23.5-24.4)
- Observation campaigns (NHATS targets, radar support)
- J0166 190166 2005 UP156 (radar) from ARO Westfield (Aug. 5.17-18p7)
- 68950 68950 2002 QF15 (radar) from ARO Westfield (Aug. 5.18-19p7), Northolt Branch Obs. (Aug. 6.93-94p3), and ATLAS Haleakala (Aug. 7.41-45p7)
- 65679 65679 1989 UQ (NHATS) from WISE (Aug. 5.69p1, 5.82p1, 5.96p1, 6.09p1, 6.15p1, 6.22p1, 6.28p1, 6.35p1, 6.41p1, 6.48p1, 6.54p1, 6.68p1, 6.81p1 & 6.94p1)
- 11398 11398 1998 YP11 (radar) from Northolt Branch Obs. (Aug. 6.90-91p6) and ATLAS Mauna Loa (Aug. 7.42-44p5)
-- NHATS target table & ephemerides -- Planetary radar schedules: Arecibo & Goldstone - Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
- K17O20B 2017 OB20 (arc=6 days, H=26.0 ~21m) from Micheli/Mauna Kea (July 29.52-56p3)
- K17O20A 2017 OA20 (arc=6 days, H=22.1 ~129m) from Micheli/Mauna Kea (July 29.50p3)
- K17O19O 2017 OO19 (arc=4 days, H=23.3 ~74m) from Micheli/Mauna Kea (July 29.48p3)
- K17O07H 2017 OH7 (Q=4.635 AU, arc=11 days, H=22.7 ~98m) from ARO Westfield (Aug. 5.26-27p3 & 5.32-33p3)
- K17O07F 2017 OF7 (arc=11 days, H=23.1 ~81m) from ARO Westfield (Aug. 5.26-27p7)
- K17O01G 2017 OG1 (arc=15 days, H=23.2 ~78m) from ARO Westfield (Aug. 5.24-25p3)
- K17H03V 2017 HV3 (arc=140 days, H=23.7 ~62m) from ARO Westfield (June 24.29-33p3 at V=22.0-22.1)
- K17F65D 2017 FD65 (arc=126 days, H=22.6 ~102m) from ARO Westfield (July 19.18-20p2 at V=22.1-2)
- K16Y04M 2016 YM4 (Q=4.782 AU, arc=38 days, H=22.4 ~112m) from UH/Tholen NEO Follow-Up 2.24m Telescope (Jan. 26.35-39p4 at G=23.4-6)
- K17M00M 2017 MM (arc=57 days, H=22.0 ~135m) from ARO Westfield (July 2.36-37p3)
- Observations of other objects
- K17O19K 2017 OK19 (arc=9 days, H=20.9 ~224m) from Micheli/Mauna Kea (July 29.48p2)
- K17O01L 2017 OL1 (Q=4.005 AU, arc=15 days, H=21.7 ~155m) from ARO Westfield (Aug. 5.24-26p9)
- K17O01D 2017 OD1 (arc=17 days, H=20.5 ~269m) from ARO Westfield (Aug. 5.30-31p3)
- K17N06M 2017 NM6 (i=55.5°, arc=22 days, H=18.8 ~589m) from ARO Westfield (Aug. 5.18-20p4)
- K17N05V 2017 NV5 (arc=25 days, H=20.2 ~309m) from ARO Westfield (Aug. 5.21-23p4)
- K17M08K 2017 MK8 (Q=4.182 AU, arc=27 days, H=16.6 ~1.62 km) from ARO Westfield (July 19.24-25p2 at V=21.9-22.2)
- K17M03G 2017 MG3 (arc=27 days, H=21.5 ~170m) from ARO Westfield (July 2.28-31p4)
- K17M02Y 2017 MY2 (arc=44 days, H=21.0 ~214m) from ARO Westfield (July 2.35-36p3 & Aug. 5.28-29p3)
- K17G06Q 2017 GQ6 (arc=124 days, H=19.0 ~537m) from N.V. Maigurova via Nikolaev Obs. (Aug. 2.99-01p10) and ATLAS Mauna Loa (Aug. 7.47-49p4)
- K17B31M 2017 BM31 (arc=2 opp, H=20.8 ~234m) from ARO Westfield (July 2.22p3)
- K08M01H 2008 MH1 (Q=4.270 AU, arc=2 opp, H=18.3 ~741m) from Northolt Branch Obs. (Aug. 6.99-00p3)
- m9235 489235 2006 QA58 from ARO Westfield (July 19.11-15p3 at V=22.3-6)
- l0310 470310 2007 LB15 from ARO Westfield (Aug. 5.21-23p3)
- c5580 385580 2004 XO14 from ATLAS Mauna Loa (Aug. 7.51-53p5) and MASTER-II Sutherland (Aug. 8.03-08p5)
- a6733 366733 2004 BG121 from ATLAS Mauna Loa (Aug. 7.54-56p7)
- R6660 276660 2003 WB25 from ARO Westfield (Aug. 5.21-25p3 at V=21.8-22.1)
- N2368 232368 2003 AZ2 from ATLAS Mauna Loa (Aug. 7.51-53p4)
- G2581 162581 2000 SA10 from ARO Westfield (July 2.26-29p3 at V=21.7-22.3)
- E3992 143992 2004 AF from Maigurova/Nikolaev Obs. (Aug. 3.03-04p6)
- E2464 142464 2002 TC9 from Pan-STARRS 1 (PS1) (Aug. 7.46-50p3)
- 96631 96631 1999 FP59 from ATLAS Mauna Loa (Aug. 7.46-48p4)
- 20460 20460 Robwhiteley (1999 LO28) from Picoto Obs. (Aug. 7.92-96p2)
- 06053 6053 1993 BW3 from Maigurova/Nikolaev Obs. (Aug. 3.01-03p10), Northolt Branch Obs. (Aug. 6.97-98p10), and ATLAS Mauna Loa (Aug. 7.44-47p4)
- 01980 1980 Tezcatlipoca (1950 LA) from Transit Dreams Obs. (Aug. 6.14-16p3)
Observers on 8 August '17
Thirteen observers appear in today's MPEC.
| Code | Observer / observatory |
|---|---|
| H21 | Astronomical Research Obs. Westfield in Illinois, 21 in MPEC 2017-P34 -- 2017 OL1, 2017 OH7, 2017 OG1, 2017 OF7, 2017 OD1, 2017 NV5, 2017 NM6, 2017 MY2, 2017 MM, 2017 MK8, 2017 MG3, 2017 HV3, 2017 FD65, 2017 CS, 2017 BM31, 68950, 489235, 470310, 276660, 190166, 162581 |
| T05 | ATLAS Haleakala in Hawaii, 1 in MPEC 2017-P34 -- 68950 |
| T08 | ATLAS Mauna Loa in Hawaii, 7 in MPEC 2017-P34 -- 2017 GQ6, 96631, 385580, 366733, 232368, 11398, 6053 |
| K95 | MASTER-II Sutherland in South Africa, 1 in MPEC 2017-P34 -- 385580 |
| 568_ | Marco Micheli on Mauna Kea in Hawaii, 5 in MPEC 2017-P34 -- 2017 OZ19, 2017 OO19, 2017 OK19, 2017 OB20, 2017 OA20 |
| 0895 | N.V. Maigurova via Nikolaev Obs. in Ukraine, 3 in MPEC 2017-P34 -- 2017 GQ6, 143992, 6053 |
| Z80 | Northolt Branch Obs. in England, 4 in MPEC 2017-P34 -- 2008 MH1, 68950, 11398, 6053 |
| F51 | Pan-STARRS 1 in Hawaii, 1 in MPEC 2017-P34 -- 142464 |
| Z38 | Picoto Obs., 1 in MPEC 2017-P34 -- 20460 |
| W33 | Transit Dreams Obs., 1 in MPEC 2017-P34 -- 1980 |
| T12 | UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2017-P34 -- 2016 YM4 |
| T14 | UH/Tholen NEO Follow-Up CFH Telescope in Hawaii, 1 in MPEC 2017-P34 -- 2011 PU1 |
| C51 | WISE in Earth polar orbit, 1 in MPEC 2017-P34 -- 65679 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 8 August '17
At last check (NEODyS at 2358 UTC) there was no risk monitoring news to report yet today. Visit the CRT to view activity in the last four weeks and our ephemerides page for a complete list of risk-rated objects under current observation or having recent news.
Chronology on 8 August '17
Times are UTC for when items were noted or added by The Tracking News.
| 2000 | Generated Traffic Report |
| 1500 | Grabbed MPEC 2017-P34 - Daily Orbit Update - see above |
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