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
2010-11-06 02:10:20 C 22 33 29.00 +06 05 39.6 17.1 c 704
2010-11-06 02:28:45 C 22 33 30.21 +06 05 44.4 16.9 c 704
2010-11-06 02:47:07 C 22 33 31.45 +06 05 48.9 17.1 c 704
2010-11-06 03:33:40 C 22 33 34.66 +06 06 01.1 r 703
2010-11-06 03:42:44 C 22 33 35.28 +06 06 03.2 r 703
2010-11-06 03:51:51 C 22 33 35.89 +06 06 05.4 r 703
2010-11-12 05:16:34 C 22 44 59.56 +06 46 47.8 r 703
2010-11-12 05:32:23 C 22 45 00.90 +06 46 53.0 r 703
2010-11-12 05:43:59 C 22 45 01.83 +06 46 56.7 r 703
2010-11-12 21:04:57 C 22 46 21.43 +06 51 39.7 u A06
2010-11-12 21:11:14 C 22 46 21.97 +06 51 42.1 u A06
2010-11-12 21:19:39 C 22 46 22.67 +06 51 44.3 u A06
2010-11-25 02:02:24 C 23 15 27.76 +08 37 43.0 o H47
2010-11-25 02:09:31 C 23 15 28.52 +08 37 45.9 o H47
2010-11-25 02:16:40 C 23 15 29.28 +08 37 48.8 o H47
2010-11-27 08:59:40 C 23 21 40.40 +09 00 31.4 u 379
2010-11-27 09:02:25 C 23 21 40.75 +09 00 32.7 u 379
2010-11-27 09:13:31 C 23 21 41.96 +09 00 37.7 u 379
2010-12-02 01:15:01 C 23 34 59.04 +09 49 33.1 o H47
2010-12-02 01:20:39 C 23 34 59.69 +09 49 36.0 o H47
2010-12-02 01:27:08 C 23 35 00.49 +09 49 38.6 o H47
2010-12-04 01:37:37 C 23 40 58.44 +10 11 34.7 r 703
2010-12-04 01:44:01 C 23 40 59.23 +10 11 37.5 r 703
2010-12-04 01:50:27 C 23 41 00.02 +10 11 40.8 r 703
2010-12-04 01:56:59 C 23 41 00.78 +10 11 43.7 r 703
2010-12-11 01:21:25 C 00 02 45.88 +11 31 17.4 17.2 c 704
2010-12-11 01:22:47 C 00 02 46.06 +11 31 17.8 16.7 c 704
2010-12-11 01:40:08 C 00 02 48.34 +11 31 26.6 18.1 c 704
2010-12-11 01:41:24 C 00 02 48.50 +11 31 27.0 17.4 c 704
2010-12-11 01:58:45 C 00 02 50.82 +11 31 35.4 18.3 c 704
2010-12-11 02:00:03 C 00 02 50.92 +11 31 35.9 18.0 c 704
2010-12-11 02:17:29 C 00 02 53.22 +11 31 44.6 18.2 c 704
2010-12-11 02:18:45 C 00 02 53.35 +11 31 44.9 17.7 c 704
2010-12-11 02:36:15 C 00 02 55.65 +11 31 53.9 17.6 c 704
2010-12-11 02:37:31 C 00 02 55.84 +11 31 54.2 17.1 c 704
2010-12-21 20:49:25 C 00 38 57.50 +13 40 02.3 w J24
2010-12-21 20:52:39 C 00 38 57.82 +13 40 04.1 w J24
2010-12-21 21:01:54 C 00 38 59.10 +13 40 07.7 w J24
2010-12-30 16:24:38 C 01 09 54.00 +15 23 38.0 o 461
2010-12-30 16:33:06 C 01 09 55.17 +15 23 42.0 o 461
2010-12-30 16:41:34 C 01 09 56.39 +15 23 45.9 o 461
2010-12-30 16:52:52 C 01 09 58.07 +15 23 51.4 o 461
2010-12-30 17:01:25 C 01 09 59.32 +15 23 55.6 o 461
2010-12-30 17:09:53 C 01 10 00.60 +15 23 59.8 o 461
2010-12-30 17:15:31 C 01 10 01.42 +15 24 02.5 o 461
2011-01-06 03:47:16 C 01 33 01.70 +16 36 08.2 18.9 c 704
2011-01-06 04:06:54 C 01 33 04.62 +16 36 17.2 18.2 c 704
2011-01-06 04:26:33 C 01 33 07.52 +16 36 25.6 18.0 c 704
2011-01-06 04:45:38 C 01 33 10.35 +16 36 33.5 17.9 c 704
2011-01-07 03:10:17 C 01 36 31.65 +16 46 39.6 17.3 c 704