Contents on 8 February '20
- IAU Minor Planet Center
- NEOCP Activity -- 31 listings
- New MPECs -- two MPECs
- Observers -- 20 observers
- Impact Risk Monitoring -- one object
- Chronology
Asteroid/Comet Connection (A/CC) Resources:
- Consolidated Risk Tables - the CRT page
Of 1101 risk-listed objects, 63 have had news in the last 31 days. Updated at 1611 UTC on 8 Feb.
- 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 8 February '20
The MPC's NEO Confirmation Page has 31 listings
When last checked at 2330 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 31 objects listed. Of these, fourteen were "one nighters." So far The Tracking News has counted a total of 37 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 February '20
Minor Planet Electronic Circulars
As of last check at 2330 UTC, there have been two MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2020-C118 time-stamped "12:04 UT" - Daily Orbit Update - see below
- MPEC 2020-C119 time-stamped "18:14 UT" - 2020 CZ1
MPEC 2020-C119 - "18:14 UT" - 2020 CZ1
- K20C01Z 2020 CZ1 (Q=4.070 AU, Earth MOID=7.5 LD, H=25.5 ~27m) was picked up at 0959 UT on 2 Feb. by the Mt. Lemmon Survey (MLS), observing it at Feb. 2.42-44p4 and 3.35-36p4. This detection was confirmed by Magdalena Ridge Obs. (MRO) (Feb. 2.48-50p4) and the Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) (Feb. 6.31-33p4 at G=21.4-22.4).
<< DOU on 8 February '20 >> MPEC 2020-C118 - "12:04 UT" - Daily Orbit Update
- Observations of risk-listed objects
- 99942 99942 Apophis (2004 MN4) (NHATS target) from Pic du Midi Obs. (Feb. 7.79-85p9)
- Observations of close-passing objects
- K20C01Y 2020 CY1 (i=66.2°, Q=5.588 AU, arc=2 days, H=23.8 ~59m) from Dettelbach Vineyard Obs. (Feb. 8.10-13p4)
- K20C01R 2020 CR1 (arc=2 days, H=27.1 ~13m) from Northolt Branch Obs. (Feb. 7.02-03p3)
- Observation campaigns (NHATS targets, radar support)
- K20B08E 2020 BE8 (arc=104 days, H=25.2 ~31m, NHATS) from Castelmartini Obs. (Feb. 5.92-93p3)
- K15R02H 2015 RH2 (arc=4 opp, H=21.9 ~141m, NHATS) from SATINO-1 (Feb. 7.14-21p3)
-- NHATS target table - Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
- K20C00X 2020 CX (arc=7 days, H=23.2 ~78m) from Dettelbach Vineyard Obs. (Feb. 8.15p3)
- K20B13D 2020 BD13 (arc=10 days, H=23.3 ~74m) from Castelmartini Obs. (Feb. 5.91-92p6) and M57 Obs. (Feb. 7.78-79p3)
- K20B00M 2020 BM (arc=6 days, H=26.4 ~18m) from UH/Tholen NEO Follow-Up 2.24m Telescope (Jan. 24.65p1 at G=22.83)
- K20A03E 2020 AE3 (arc=20 days, H=23.3 ~74m) from Tholen 2.24m (Jan. 24.54p2)
- K17B32P 2017 BP32 (arc=2 opp, H=23.4 ~71m) from Castelmartini Obs. (Feb. 5.94p3)
- K15DF5J 2015 DJ155 (arc=2 opp, H=24.0 ~54m) from Tentlingen Obs. (Feb. 7.03-08p5)
- K20B11Z 2020 BZ11 (arc=19 days, H=22.0 ~135m) from Pomona College Table Mtn. Obs. (PCTMO) (Feb. 7.42p2)
- Observations of other objects
- K20B14P 2020 BP14 (arc=11 days, H=18.2 ~776m) from Dettelbach Vineyard Obs. (Feb. 7.78-79p3)
- K20B10O 2020 BO10 from WISE (Feb. 5.74p1, 5.87p1, 6.00p1, 6.07p1, 6.13p1, 6.20p1, 6.26p1, 6.33p1, 6.39p1, 6.46p1, 6.59p2 & 6.72p1)
- K20B02E 2020 BE2 (arc=19 days, H=20.1 ~323m) from M. Kumrucu-Lohmiller via Slooh.com Canary Islands Obs. (Feb. 7.26-29p5) and PCTMO (Feb. 7.35-39p2)
- K16AE7X 2016 AX147 (arc=4 opp, H=17.7 ~977m) from Castelmartini Obs. (Feb. 5.94-95p3)
- K15DK0E 2015 DE200 (arc=4 opp, H=20.2 ~309m) from Pascoli Obs. (Feb. 6.85-88p10) and San Vito Obs. (Feb. 7.94-96p2)
- h7316 437316 2013 OS3 from AAAA Buenos Aires Obs. (Jan. 23.03-06p2)
- Q7221 267221 2001 AD2 from WISE (Feb. 6.23p1, 6.37p1, 6.50p1, 6.63p1, 6.89p1, 6.95p1, 7.08p1, 7.15p1 & 7.35p1)
- G3373 163373 2002 PZ39 from Castelmartini Obs. (Feb. 5.86p3) and Olmen Obs. (Feb. 7.73-74p3 & 7.83-84p3)
- F3267 153267 2001 CB32 from Tentlingen Obs. (Feb. 6.76-78p3)
- D6795 136795 1997 BQ from Tentlingen Obs. (Feb. 6.89-92p5)
- B1253 111253 2001 XU10 from Tentlingen Obs. (Feb. 6.85-87p4)
- 96744 96744 1999 OW3 from AAAA Buenos Aires Obs. (Jan. 28.04-07p2)
- 90075 90075 2002 VU94 from Castelmartini Obs. (Feb. 5.90p3)
- 52768 52768 1998 OR2 from Castelmartini Obs. (Feb. 5.88-89p3) and Olmen Obs. (Feb. 7.84-85p3)
- 36284 36284 2000 DM8 from MASTER IAC Obs. (Feb. 7.05-09p5)
- 34613 34613 2000 UR13 from Castelmartini Obs. (Feb. 5.87-88p3)
- 18172 18172 2000 QL7 from Northolt Branch Obs. (Feb. 5.97-99p2, 6.05-06p2 & 6.90-99p4) and Tentlingen Obs. (Feb. 6.93-97p6)
- 10145 10145 1994 CK1 from Castelmartini Obs. (Feb. 5.89-90p3)
- 07088 7088 Ishtar (1992 AA) from Dettelbach Vineyard Obs. (Feb. 8.17-23p3)
- 03360 3360 Syrinx (1981 VA) from WISE (Feb. 5.62p1, 5.75p1 & 6.27p1)
- 01866 1866 Sisyphus (1972 XA) from Landehen Obs. (Feb. 6.87-94p6) and San Vito Obs. (Feb. 7.89-90p3)
Observers on 8 February '20
A total of 20 observers appear in today's MPECs.
| Code | Observer / observatory |
|---|---|
| 834 | AAAA Buenos Aires Obs. in Argentina, 2 in MPEC 2020-C118 -- 96744, 437316 |
| 160 | Castelmartini Obs. in Italy, 9 in MPEC 2020-C118 -- 2020 BE8, 2020 BD13, 2017 BP32, 2016 AX147, 90075, 52768, 34613, 163373, 10145 |
| V06 | Catalina Sky Survey Kuiper Telescope in Arizona, 1 in MPEC 2020-C119 -- 2020 CZ1 |
| K87 | Dettelbach Vineyard Obs. in Germany, 4 in MPEC 2020-C118 -- 2020 CY1, 2020 CX, 2020 BP14, 7088 |
| Z43 | Landehen Obs., 1 in MPEC 2020-C118 -- 1866 |
| K38 | M57 Obs. in Italy, 1 in MPEC 2020-C118 -- 2020 BD13 |
| H01 | Magdalena Ridge Obs. in New Mexico, 1 in MPEC 2020-C119 -- 2020 CZ1 |
| Z22 | MASTER IAC Obs. in the Canary Islands, 1 in MPEC 2020-C118 -- 36284 |
| G96 | Mt. Lemmon Survey in Arizona, 1 in MPEC 2020-C119 -- 2020 CZ1 |
| Z80 | Northolt Branch Obs. in England, 2 in MPEC 2020-C118 -- 2020 CR1, 18172 |
| C23 | Olmen Obs. in Belgium, 2 in MPEC 2020-C118 -- 52768, 163373 |
| K63 | Pascoli Obs. in Italy, 1 in MPEC 2020-C118 -- 2015 DE200 |
| 586 | Pic du Midi Obs. in France, 1 in MPEC 2020-C118 -- 99942 |
| 654 | Pomona College Table Mtn. Obs. (PCTMO) in southern California, 2 in MPEC 2020-C118 -- 2020 BZ11, 2020 BE2 |
| 233 | San Vito Obs. in Italy, 2 in MPEC 2020-C118 -- 2015 DE200, 1866 |
| C95 | SATINO-1 in France, 1 in MPEC 2020-C118 -- 2015 RH2 |
| G40! | M. Kumrucu-Lohmiller in Massachusetts via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-C118 -- 2020 BE2 |
| A16 | Tentlingen Obs. in Switzerland, 5 in MPEC 2020-C118 -- 2015 DJ155, 18172, 153267, 136795, 111253 |
| T12 | UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 2 in MPEC 2020-C118 -- 2020 BM, 2020 AE3 |
| C51 | WISE in Earth polar orbit, 3 in MPEC 2020-C118 -- 2020 BO10, 267221, 3360 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 8 February '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 |
| 2020 CX1 | NEODyS | 1610 | 2074-2104 | 8 | 3.41e-07 | -6.37 | -6.57 | 0 | NEODyS: "Based on 21 optical observations (of which 0 are rejected as outliers) from 2020-02-05.416 to 2020-02-07.075." |
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 8 February '20
Times are UTC for when items were noted or added by The Tracking News.
| 1830 | Grabbed MPEC 2020-C119 - 2020 CZ1 - see above |
| 1610 | Noted that NEODyS has posted 2020 CX1 as an impact risk - see above Grabbed MPEC 2020-C118 - Daily Orbit Update - see above |
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