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
2010-08-22 22:32:49 C 22 44 49.10 +02 02 08.6 u 160
2010-08-22 22:35:27 C 22 44 48.97 +02 02 09.3 u 160
2010-08-22 22:38:02 C 22 44 48.92 +02 02 10.1 u 160
2010-08-24 23:48:20 C 22 43 18.28 +02 14 19.0 u 160
2010-08-24 23:50:37 C 22 43 18.20 +02 14 19.4 u 160
2010-08-24 23:52:50 C 22 43 18.12 +02 14 19.9 u 160
2010-08-29 00:11:49 C 22 40 01.95 +02 36 22.7 u 160
2010-08-29 00:14:52 C 22 40 01.84 +02 36 23.4 u 160
2010-08-29 00:17:58 C 22 40 01.72 +02 36 23.7 u 160
2010-08-29 23:03:11 C 22 39 12.32 +02 41 15.4 u 160
2010-08-29 23:05:28 C 22 39 12.23 +02 41 15.9 u 160
2010-08-29 23:07:46 C 22 39 12.13 +02 41 16.4 u 160
2010-08-30 15:43:30 C 22 38 34.98 +02 44 45.7 u 379
2010-08-30 15:55:28 C 22 38 34.49 +02 44 48.1 u 379
2010-08-30 16:02:09 C 22 38 34.24 +02 44 49.5 u 379
2010-08-30 16:04:49 C 22 38 34.11 +02 44 50.1 u 379
2010-08-30 23:32:30 C 22 38 17.91 +02 46 22.6 u J51
2010-08-30 23:45:29 C 22 38 17.41 +02 46 25.2 u J51
2010-08-30 23:58:30 C 22 38 16.88 +02 46 28.3 u J51
2010-08-31 01:01:21 C 22 38 13.94 +02 46 37.6 u 160
2010-08-31 01:04:25 C 22 38 13.81 +02 46 38.3 u 160
2010-08-31 01:07:29 C 22 38 13.69 +02 46 38.8 u 160
2010-08-31 23:46:24 C 22 37 22.24 +02 51 10.7 u 160
2010-08-31 23:48:43 C 22 37 22.14 +02 51 11.1 u 160
2010-08-31 23:51:01 C 22 37 22.04 +02 51 11.6 u 160
2010-09-01 03:17:01 C 22 37 14.72 +02 51 53.5 r H53
2010-09-01 03:20:05 C 22 37 14.62 +02 51 53.8 r H53
2010-09-01 03:23:06 C 22 37 14.48 +02 51 54.2 r H53
2010-09-01 03:26:07 C 22 37 14.34 +02 51 55.0 r H53
2010-09-01 03:29:10 C 22 37 14.21 +02 51 55.6 r H53
2010-09-01 03:32:13 C 22 37 14.11 +02 51 56.4 r H53
2010-09-01 20:24:14 C 22 36 34.84 +02 55 11.2 u A53
2010-09-01 20:34:14 C 22 36 34.45 +02 55 12.6 u A53
2010-09-01 20:44:45 C 22 36 34.01 +02 55 14.4 u A53
2010-09-01 20:55:16 C 22 36 33.59 +02 55 16.5 u A53
2010-09-01 21:05:48 C 22 36 33.14 +02 55 18.8 u A53
2010-09-01 23:12:58 C 22 36 27.82 +02 55 43.3 u 160
2010-09-01 23:16:57 C 22 36 27.64 +02 55 44.1 u 160
2010-09-01 23:18:31 C 22 36 27.58 +02 55 44.4 u 160
2010-09-02 23:11:05 C 22 35 31.55 +03 00 15.9 w J51
2010-09-02 23:27:22 C 22 35 30.83 +03 00 18.9 w J51
2010-09-02 23:43:38 C 22 35 30.13 +03 00 22.0 w J51
2010-09-03 07:20:44 C 22 35 11.58 +03 01 44.6 16.7 c 704
2010-09-03 07:37:18 C 22 35 10.81 +03 01 48.0 17.2 c 704
2010-09-03 07:52:05 C 22 35 10.24 +03 01 50.2 r G96
2010-09-03 07:53:55 C 22 35 10.12 +03 01 50.8 17.1 c 704
2010-09-03 08:01:52 C 22 35 09.81 +03 01 52.1 r G96
2010-09-03 08:10:32 C 22 35 09.41 +03 01 53.9 16.8 c 704
2010-09-03 08:11:37 C 22 35 09.38 +03 01 53.8 r G96
2010-09-03 08:21:31 C 22 35 08.95 +03 01 55.6 r G96