143381 (2003 BC21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5106491276 ± 1.39e-08
Semi-major axis (a)2.5962495660 AU ± 7.26e-09
Inclination (i)5.47484963° ± 2.26e-06
Long. of Asc. Node (Ω)292.10179296° ± 2.11e-05
Arg. of Perihelion (ω)114.10977804° ± 2.21e-05
Mean Anomaly (M)206.50088096° ± 7.08e-06
Mean Motion (n)0.2356094040°/day ± 9.88e-10
Perihelion dist (q)1.27047699 AU ± 3.64e-08
Aphelion dist (Q)3.92202214 AU ± 3.78e-08
Orbital Period4.18330621 yr ± 1.76e-08
Physical Parameters
H (abs. magnitude)16.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.271″
Uncertainty0
Orbit TypeAmor
MOID0.295254 AU
Observations Used933
Gaia Obs Used39
Oppositions25
Arc Total1982-2015
First Observation Used1982-04-13
Last Observation Used2025-05-19
Observations (1003)
Date Type RA Dec Mag Band Observatory
2010-07-14 09:52:23 C 22 48 13.04 -03 12 33.3 18.5 c 704
2010-07-14 10:07:48 C 22 48 13.33 -03 12 27.0 18.6 c 704
2010-07-15 01:12:33 C 22 48 31.44 -03 06 47.2 u 160
2010-07-15 01:16:29 C 22 48 31.54 -03 06 44.6 u 160
2010-07-15 01:20:21 C 22 48 31.62 -03 06 43.0 u 160
2010-07-17 02:18:11 C 22 49 26.12 -02 48 13.4 r J75
2010-07-17 02:38:53 C 22 49 26.46 -02 48 04.1 r J75
2010-07-17 02:59:32 C 22 49 26.79 -02 47 57.3 r J75
2010-07-31 23:56:24 C 22 52 42.11 -00 38 15.5 u 160
2010-07-31 23:59:30 C 22 52 42.10 -00 38 14.7 u 160
2010-08-01 00:02:33 C 22 52 42.09 -00 38 13.3 u 160
2010-08-03 03:08:20 C 22 52 37.51 -00 20 40.1 r J75
2010-08-03 03:23:38 C 22 52 37.43 -00 20 34.6 r J75
2010-08-03 03:38:58 C 22 52 37.36 -00 20 29.3 r J75
2010-08-04 09:30:17 C 22 52 30.91 -00 10 22.8 17.5 c 704
2010-08-04 09:47:20 C 22 52 30.77 -00 10 16.7 17.9 c 704
2010-08-04 10:05:38 C 22 52 30.62 -00 10 10.8 18.2 c 704
2010-08-04 10:24:07 C 22 52 30.53 -00 10 04.3 18.1 c 704
2010-08-04 10:41:18 C 22 52 30.42 -00 09 58.3 18.7 c 704
2010-08-06 08:09:56 C 22 52 14.59 +00 05 08.4 18.5 c 704
2010-08-06 08:43:43 C 22 52 14.29 +00 05 19.4 18.9 c 704
2010-08-06 09:00:41 C 22 52 14.08 +00 05 26.0 18.5 c 704
2010-08-08 23:12:21 C 22 51 40.37 +00 25 33.4 u 160
2010-08-08 23:15:26 C 22 51 40.34 +00 25 34.4 u 160
2010-08-08 23:18:31 C 22 51 40.30 +00 25 35.5 u 160
2010-08-09 21:40:09 C 22 51 24.97 +00 32 40.8 u A13
2010-08-09 22:08:55 C 22 51 24.56 +00 32 49.9 u A13
2010-08-10 17:33:01 C 22 51 09.31 +00 38 57.4 r D29
2010-08-10 18:02:42 C 22 51 08.83 +00 39 06.5 r D29
2010-08-10 18:24:10 C 22 51 08.46 +00 39 13.2 r D29
2010-08-10 18:44:27 C 22 51 08.14 +00 39 19.5 r D29
2010-08-15 22:50:54 C 22 49 01.76 +01 16 38.0 w 160
2010-08-15 22:53:37 C 22 49 01.66 +01 16 38.7 w 160
2010-08-15 22:55:46 C 22 49 01.58 +01 16 38.5 w 160
2010-08-18 09:07:10 C 22 47 44.340 +01 33 11.74 L F51
2010-08-18 09:24:00 C 22 47 43.907 +01 33 15.55 L F51
2010-08-18 09:43:06 C 22 47 43.398 +01 33 21.44 L F51
2010-08-18 09:59:57 C 22 47 42.945 +01 33 26.18 L F51
2010-08-19 12:17:04 C 22 47 03.796 +01 40 38.51 L F51
2010-08-19 12:32:45 C 22 47 03.342 +01 40 42.64 L F51
2010-08-19 15:19:35 C 22 46 59.69 +01 41 24.7 r D29
2010-08-19 15:38:41 C 22 46 59.13 +01 41 30.1 r D29
2010-08-19 15:57:07 C 22 46 58.60 +01 41 35.3 r D29
2010-08-19 16:17:57 C 22 46 58.01 +01 41 40.9 r D29
2010-08-19 23:30:45 C 22 46 46.89 +01 43 36.4 w 160
2010-08-19 23:32:37 C 22 46 46.84 +01 43 36.5 w 160
2010-08-19 23:34:20 C 22 46 46.79 +01 43 36.8 w 160
2010-08-20 22:20:36 C 22 46 11.03 +01 49 41.4 w I99
2010-08-20 22:28:56 C 22 46 10.75 +01 49 43.9 w I99
2010-08-20 22:37:13 C 22 46 10.53 +01 49 45.8 w I99