Contents on 25 June '13
- Traffic Report -- no objects
- IAU Minor Planet Center
- Observers -- fourteen observers
- Impact Risk Monitoring -- one object
Asteroid/Comet Connection (A/CC) Resources:
- Consolidated Risk Tables - the CRT page (archive)
Of 504 risk-listed objects, 14 have had news in the last 31 days. Updated at 1349 UTC on 25 June.
- Ephemerides for risk-rated & nearby objects + potential mission destinations
- News image catalog
- News old archive & Small Objects Archive
- Object Links - mainly for radar targets & close passers - updated 20 Feb.
- Observing Campaigns
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. And use the all-up news archive to access news from any time since A/CC began in early 2002. To keep track of what's new each day, watch the Chronology section.
Traffic Report on 25 June '13
No objects reported inside ten LD
There are no visitors reported flying inside ten lunar distances (LD) of our planet today.
This report was generated at 1406 UTC with today's DOU MPEC reporting observation of distant 68216 2001 CV26 from February.
Notes: Ten times the distance to the Moon (ten LD) has no astronomical significance but is a useful reporting boundary. Object distances are interpreted 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 25 June '13
The MPC's NEO Confirmation Page has 7 listings
When last checked at 1958 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had seven objects listed. Of these, four were "one nighters." So far The Tracking News has counted a total of eight 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 25 June '13
Minor Planet Electronic Circulars
As of last check at 1958 UTC, there have been two MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2013-M38 time-stamped "06:02 UT" - Daily Orbit Update - see below
- MPEC 2013-M39 time-stamped "19:44 UT" - 2013 MW6
MPEC 2013-M39 - "19:44 UT" - 2013 MW6
- K13M06W 2013 MW6 (H=19.9 ~355m) from the Siding Spring Survey (SSS) (June 21.52-55p4, 21.61p1, 21.68p2, 21.75p1, 21.83p1, 23.68-69p2 & 23.84p1), program code 2 via iTelescope Obs. Siding Spring (June 21.67-68p3), Cruz del Sur Obs. (June 22.15-20p4 & 25.04-07p2), Robert Holmes via Cerro Tololo Inter-American Obs. (CTIO) (June 22.17-18p5), and program code '"' (11) via iTelescope Obs. Siding Spring (June 22.59-63p3, 23.46p1 & 23.51-55p2)
- Observations of risk-listed objects
- K13M03L 2013 ML3 (small asteroid, arc=5 days, H=22.1 ~129m) from SATINO-1 (June 24.01-02p2)
- Observations of close-passing objects
- 68216 68216 2001 CV26 from Bisei Spaceguard Center (Feb. 27.55-56p7)
- Observation campaigns (radar support, potential mission destinations)
- S5263 285263 1998 QE2 (radar) from Fabra Obs. (June 22.93-94p3) and Blanquita Obs. (June 24.90-91p3)
- G3249 163249 2002 GT (PMD) from Pan-STARRS 1 (PS1) (June 24.44-45p2) and Blanquita Obs. (June 24.89-90p3)
-- Potential mission destinations list & ephemerides + NHATS -- Planetary radar schedules: Arecibo & Goldstone
- Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
- K13L29H 2013 LH29 (arc=11 days, H=24.5 ~43m) from Holmes/CTIO (June 25.03-04p4)
- K13M06D 2013 MD6 (arc=6 days, H=21.8 ~148m) from Holmes/CTIO (June 24.99-00p5)
- Observations of other asteroidal objects
- K13L31N 2013 LN31 (Q=4.074 AU, arc=10 days, H=20.0 ~339m) from Bernezzo Obs. (June 24.87-88p6), GiaGa Obs. (June 24.92p1 & 24.97p1), and Petit Jean Mtn. South Obs. (PJMSO) (June 25.21-24p7)
- K13L31M 2013 LM31 (arc=10 days, H=20.2 ~309m) from Holmes/CTIO (June 24.95-96p4)
- K13K06N 2013 KN6 (q=0.219 AU, arc=26 days, H=18.5 ~676m) from SATINO-1 (June 23.93-97p3)
- K13K01R 2013 KR1 (arc=40 days, H=21.2 ~195m) from Holmes/CTIO (June 24.97-98p5)
- K13J22T 2013 JT22 (arc=71 days, H=20.3 ~295m) from Holmes/CTIO (June 25.09-10p5)
- K13J02X 2013 JX2 (arc=54 days, H=20.7 ~245m) from Holmes/CTIO (June 24.95p3)
- K13F11D 2013 FD11 (arc=97 days, H=19.7 ~389m) from Holmes/CTIO (June 24.95-96p5)
- K08D17G 2008 DG17 (i=41.1°, arc=2 opp, H=19.7 ~389m) from Bisei (Feb. 9.45-46p5)
- K06N00L 2006 NL (q=0.360 AU, arc=4 opp, H=19.7 ~389m) from Estrella de Mar Obs. (June 24.14-16p2)
- Z4952 354952 2006 FJ9 from GiaGa Obs. (June 24.90-94p2)
- F9609 159609 2002 AQ3 from Estrella de Mar Obs. (June 23.98p1, 24.03p1 & 24.07p1)
- D7805 137805 1999 YK5 from Bisei (Feb. 2.81p5)
- D7199 137199 1999 KX4 from Bisei (Feb. 2.65p5)
- 11405 11405 1999 CV3 from Bisei (Feb. 27.52-53p7)
- 05828 5828 1991 AM from Bisei (Feb. 27.49-50p9)
- 05332 5332 Davidaguilar (1990 DA) from the Catalina Sky Survey (CSS) (May 19.32-33p3)
- 01036 1036 Ganymed (1924 TD) from Bisei (Feb. 2.61-62p8)
Observers on 25 June '13
Fourteen observers appear in today's MPECs.
|Code||Observer / observatory|
|C77||Bernezzo Obs. in Italy, 1 in MPEC 2013-M38 -- 2013 LN31|
|300||Bisei Spaceguard Center in Japan, 7 in MPEC 2013-M38 -- 2008 DG17, 68216, 137805, 137199, 11405, 5828, 1036|
|I99||Blanquita Obs. in Spain, 2 in MPEC 2013-M38 -- 285263, 163249|
|703||Catalina Sky Survey in Arizona, 1 in MPEC 2013-M38 -- 5332|
|807|||Robert Holmes in Illinois via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 8 in MPECs 2013-M38 & 2013-M39 -- 2013 MW6, 2013 MD6, 2013 LM31, 2013 LH29, 2013 KR1, 2013 JX2, 2013 JT22, 2013 FD11|
|I39||Cruz del Sur Obs. in Argentina, 1 in MPEC 2013-M39 -- 2013 MW6|
|Z81||Estrella de Mar Obs., 2 in MPEC 2013-M38 -- 2006 NL, 159609|
|006||Fabra Obs. in Spain, 1 in MPEC 2013-M38 -- 285263|
|203||GiaGa Obs. in Italy, 2 in MPEC 2013-M38 -- 2013 LN31, 354952|
|F51||Pan-STARRS 1 in Hawaii, 1 in MPEC 2013-M38 -- 163249|
|H45||Petit Jean Mtn. South Obs. in Arkansas, 1 in MPEC 2013-M38 -- 2013 LN31|
|C95||SATINO-1 in France, 2 in MPEC 2013-M38 -- 2013 ML3, 2013 KN6|
|E12||Siding Spring Survey in New South Wales, 1 in MPEC 2013-M39 -- 2013 MW6|
|Q62"||program code '"' (11) via iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2013-M39 -- 2013 MW6|
|Q622||program code 2 via iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2013-M39 -- 2013 MW6|
|For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.|
Impact Risk Monitoring on 25 June '13
Notes for Today's Latest Risk Assessments
|2013 ML3||JPL Sentry||1347||2109||4||2.4e-06||-4.58||-5.03||0||JPL: "Analysis based on 50 observations spanning 4.7471 days (2013-Jun-19.27039 to 2013-Jun-24.01745)." Diameter approximately 0.130 km. from mean, weighted H=22.1.|
|NEODyS||1347||2076-2109||5||7.88e-06||-4.05||-4.17||0||NEODyS: "Based on 53 optical observations (of which 4 are rejected as outliers) from 2013-06-19.271 to 2013-06-24.018."|
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 25 June '13
Times are UTC for when items were noted or added by The Tracking News.
|1958||Grabbed MPEC 2013-M39 - 2013 MW6 - see above|
|1406||Generated Traffic Report|
|1347||Noted that JPL Sentry has updated its 2013 ML3 risk assessment - see above|
Noted that NEODyS has updated its 2013 ML3 risk assessment - see above
Grabbed MPEC 2013-M38 - Daily Orbit Update - see above