Contents on 5 July '20
- IAU Minor Planet Center
- NEOCP Activity -- 16 listings
- New MPECs -- three MPECs
- Observers -- 24 observers
- Impact Risk Monitoring -- one object
- Chronology
Asteroid/Comet Connection (A/CC) Resources:
- Consolidated Risk Tables - the CRT page
Of 1131 risk-listed objects, 83 have had news in the last 31 days. Updated at 2005 UTC on 5 July.
- Earth's Busy Neighborhood traffic page
- 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.
NEOCP Activity on 5 July '20
The MPC's NEO Confirmation Page has 16 listings
When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had sixteen objects listed. Of these, four were "one nighters." So far The Tracking News has counted a total of 20 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 5 July '20
Minor Planet Electronic Circulars
As of last check at 2358 UTC, there have been three MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2020-N16 time-stamped "14:13 UT" - Daily Orbit Update - see below
- MPEC 2020-N17 time-stamped "15:00 UT" - 2016 EH157 - see below
- MPEC 2020-N18 time-stamped "19:05 UT" - 2020 NA
MPEC 2020-N18 - "19:05 UT" - 2020 NA
- K20N00A 2020 NA (H=21.63 ~160m) was picked up at 1219 UT on 3 July by ATLAS Mauna Loa, observing it at July 3.51-57p4. This detection was confirmed by St. Pardon de Conques Obs. (July 3.92-94p3), Astronomical Research Obs. Westfield (July 4.27-29p6), Forti Obs. (July 4.87-88p3), Farra d'Isonzo Obs. (July 4.88-90p3), GiaGa Obs. (July 4.89-91p3), Paus Obs. (July 4.89-90p3), Modra Obs. (July 4.90-91p3), Castelmartini Obs. (July 4.93-94p4), M57 Obs. (July 4.96-98p4), Pascoli Obs. (July 4.96-97p3), Sormano Obs. (July 4.96-97p3), Schiaparelli Obs. (July 5.05-06p3), Sandlot Obs. (July 5.36p2), and Xingming Obs. #3 (July 5.71p5).
MPEC 2020-N17 - "15:00 UT" - 2016 EH157
- K16EF7H 2016 EH157 (H=21.1 ~204m) from UH/Tholen NEO Follow-Up CFH Telescope (May 27.60p1 at G=24.59 & 28.61p1 at G=24.63)
<< DOU on 5 July '20 >> MPEC 2020-N16 - "14:13 UT" - Daily Orbit Update
- Observations of close-passing objects
- i1987 441987 2010 NY65 (radar support) from Castelmartini Obs. (July 4.95p3)
- Observation campaigns (NHATS targets, radar support)
- K20M00X 2020 MX (arc=14 days, H=24.1 ~51m, NHATS) from iTelescope Obs. Siding Spring (June 30.73-81p3)
- J0166 190166 2005 UP156 (radar) from ATLAS Haleakala (July 4.31-34p4)
-- NHATS target table -- Planetary radar schedules: Arecibo & Goldstone - Observations of other objects
- K20H08S 2020 HS8 from Piobbico Obs. (July 4.98-99p2)
- K17Q18M 2017 QM18 (arc=5 opp, H=18.6 ~645m) from Castelmartini Obs. (July 4.88-89p3)
- K16P00N 2016 PN (arc=4 opp, H=20.4 ~282m) from ATLAS Mauna Loa (July 4.57-59p4)
- K14L21W 2014 LW21 (Q=5.412 AU, arc=3 opp, H=18.6 ~645m) from ATLAS Haleakala (July 4.43-45p4)
- K11K15C 2011 KC15 (arc=147 days, H=21.2 ~195m) from Pan-STARRS 1 (PS1) (2011 March 26.47-49p3)
- K11G62H 2011 GH62 (Q=5.296 AU, arc=69 days, H=20.7 ~245m) from PS1 (2011 April 4.31-32p2)
- K10JF3V 2010 JV153 (arc=3 opp, H=19.7 ~389m) from GiaGa Obs. (July 4.96-98p3)
- K10ED5C 2010 EC135 (arc=3 opp, H=20.3 ~295m) from Castelmartini Obs. (July 4.92-93p3) and GiaGa Obs. (July 4.94-95p3)
- K06H00B 2006 HB (arc=4 opp, H=19.0 ~537m) from Bucharest Obs. (July 1.89-91p3)
- n8066 498066 2007 RM133 from Bucharest Obs. (July 1.87-88p3)
- l7885 477885 2011 JT9 from Castelmartini Obs. (July 4.96p3)
- g0302 420302 2011 XZ1 from ATLAS Haleakala (July 4.49-50p3 & 4.59p1)
- c2503 382503 2001 RE8 from Bucharest Obs. (July 1.92-93p3)
- X1471 331471 1984 QY1 from ATLAS Haleakala (July 4.40-42p4) and Castelmartini Obs. (July 4.91p3)
- D7199 137199 1999 KX4 from ATLAS Haleakala (July 4.39-41p4)
- D6874 136874 1998 FH74 from Castelmartini Obs. (July 4.88p3)
- A6589 106589 2000 WN107 from Castelmartini Obs. (July 4.90p3)
- A5140 105140 2000 NL10 from ATLAS Mauna Loa (July 4.56-57p3)
- 90075 90075 2002 VU94 from ATLAS Haleakala (July 4.26-28p4)
- 85275 85275 1994 LY from Pascoli Obs. (July 4.92-93p3) and Castelmartini Obs. (July 4.97-98p3)
- 68950 68950 2002 QF15 from ATLAS Haleakala (July 4.29-31p4)
- 66008 66008 1998 QH2 from ATLAS Mauna Loa (July 4.57-59p4)
- 54789 54789 2001 MZ7 from ATLAS Haleakala (July 4.49-50p3 & 4.59p1)
- 20255 20255 1998 FX2 from SATINO-1 (2019 Dec. 28.07-08p2)
- 09162 9162 Kwiila (1987 OA) from ATLAS Haleakala (July 4.47-50p5)
- 08566 8566 1996 EN from ATLAS Mauna Loa (July 4.25-28p4)
- 08014 8014 1990 MF from ATLAS Haleakala (July 4.35-37p4), program code 1 via Kuban State Univ. Obs. (July 4.77-86p18), Castelmartini Obs. (July 4.89-90p3), and Taurus-1 Obs. (July 4.90-91p8)
- 06569 6569 Ondaatje (1993 MO) from Kuban State Univ. Obs./code 1 (July 4.87-93p26)
- 04257 4257 Ubasti (1987 QA) from PS1 (July 4.47-50p3)
Observers on 5 July '20
A total of 24 observers appear in today's MPECs.
| Code | Observer / observatory |
|---|---|
| H21 | Astronomical Research Obs. Westfield in Illinois, 1 in MPEC 2020-N18 -- 2020 NA |
| T05 | ATLAS Haleakala in Hawaii, 10 in MPEC 2020-N16 -- 2014 LW21, 90075, 68950, 54789, 420302, 331471, 190166, 137199, 9162, 8014 |
| T08 | ATLAS Mauna Loa in Hawaii, 5 in MPECs 2020-N16 & 2020-N18 -- 2020 NA, 2016 PN, 66008, 105140, 8566 |
| 073 | Bucharest Obs. in Romania, 3 in MPEC 2020-N16 -- 2006 HB, 498066, 382503 |
| 160 | Castelmartini Obs. in Italy, 10 in MPECs 2020-N16 & 2020-N18 -- 2020 NA, 2017 QM18, 2010 EC135, 85275, 477885, 441987, 331471, 136874, 106589, 8014 |
| 595 | Farra d'Isonzo Obs. in Italy, 1 in MPEC 2020-N18 -- 2020 NA |
| K83 | Forti Obs., 1 in MPEC 2020-N18 -- 2020 NA |
| 203 | GiaGa Obs. in Italy, 3 in MPECs 2020-N16 & 2020-N18 -- 2020 NA, 2010 JV153, 2010 EC135 |
| Q62 | iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2020-N16 -- 2020 MX |
| C401 | program code 1 via Kuban State Univ. Obs. in Russia, 2 in MPEC 2020-N16 -- 8014, 6569 |
| K38 | M57 Obs. in Italy, 1 in MPEC 2020-N18 -- 2020 NA |
| 118 | Modra Obs. in Slovakia, 1 in MPEC 2020-N18 -- 2020 NA |
| F51 | Pan-STARRS 1 (PS1) in Hawaii, 3 in MPEC 2020-N16 -- 2011 KC15, 2011 GH62, 4257 |
| K63 | Pascoli Obs. in Italy, 2 in MPECs 2020-N16 & 2020-N18 -- 2020 NA, 85275 |
| B49 | Paus Obs. in Spain, 1 in MPEC 2020-N18 -- 2020 NA |
| L47 | Piobbico Obs., 1 in MPEC 2020-N16 -- 2020 HS8 |
| H36 | Sandlot Obs. in Kansas, 1 in MPEC 2020-N18 -- 2020 NA |
| C95 | SATINO-1 in France, 1 in MPEC 2020-N16 -- 20255 |
| 204 | Schiaparelli Obs. in Italy, 1 in MPEC 2020-N18 -- 2020 NA |
| 587 | Sormano Obs. in Italy, 1 in MPEC 2020-N18 -- 2020 NA |
| I93 | St. Pardon de Conques Obs. in France, 1 in MPEC 2020-N18 -- 2020 NA |
| A98 | Taurus-1 Obs. in Belarus, 1 in MPEC 2020-N16 -- 8014 |
| T14 | UH/Tholen NEO Follow-Up CFH Telescope in Hawaii, 1 in MPEC 2020-N17 -- 2016 EH157 |
| N88 | Xingming Obs. #3, 1 in MPEC 2020-N18 -- 2020 NA |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 5 July '20
| 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 |
| 2014 ML67 | JPL Sentry | 2004 | 2023-2109 | 25 | 4.311426e-07 | -5.00 | -5.19 | 0 | JPL: Computed at 12:00 Dec. 18th of 2019 Pacific time based on 6 observations spanning 1.0923 days (2014-Jun-29.32193 to 2014-Jun-30.414205). Diameter approximately 0.050 km. from weighted mean H=24.16. |
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 5 July '20
Times are UTC for when items were noted or added by The Tracking News.
| 2004 | Noted that JPL Sentry has updated its 2014 ML67 risk assessment - see above Grabbed MPEC 2020-N18 - 2020 NA - see above |
| 1600 | Grabbed MPEC 2020-N16 - Daily Orbit Update - see above Grabbed MPEC 2020-N17 - 2016 EH157 - see above |
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