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
2010-09-03 08:27:08 C 22 35 08.67 +03 01 56.6 16.5 c 704
2010-09-04 00:05:20 C 22 34 31.53 +03 04 45.7 w J51
2010-09-04 00:17:16 C 22 34 31.00 +03 04 47.9 w J51
2010-09-04 00:29:12 C 22 34 30.47 +03 04 50.0 w J51
2010-09-04 20:36:48 C 22 33 41.89 +03 08 17.0 u A81
2010-09-04 20:42:12 C 22 33 41.66 +03 08 17.8 u A81
2010-09-04 20:47:37 C 22 33 41.42 +03 08 18.7 u A81
2010-09-04 21:13:13 C 22 33 40.30 +03 08 22.9 u A78
2010-09-04 21:18:55 C 22 33 40.04 +03 08 23.6 u A78
2010-09-04 21:24:31 C 22 33 39.80 +03 08 24.7 u A78
2010-09-04 21:30:24 C 22 33 39.53 +03 08 25.8 u A78
2010-09-04 22:24:52 C 22 33 37.18 +03 08 34.9 u 160
2010-09-04 22:27:55 C 22 33 37.04 +03 08 35.6 u 160
2010-09-04 22:30:57 C 22 33 36.91 +03 08 36.1 u 160
2010-09-05 04:48:33 C 22 33 21.60 +03 09 41.7 r H53
2010-09-05 04:53:34 C 22 33 21.38 +03 09 42.7 r H53
2010-09-05 04:58:35 C 22 33 21.16 +03 09 43.5 r H53
2010-09-05 05:03:47 C 22 33 20.90 +03 09 44.3 r H53
2010-09-05 05:08:48 C 22 33 20.71 +03 09 45.0 r H53
2010-09-05 05:13:46 C 22 33 20.47 +03 09 45.9 r H53
2010-09-10 05:48:53 C 22 28 20.43 +03 28 10.9 16.0 c 704
2010-09-10 06:06:13 C 22 28 19.62 +03 28 13.2 16.2 c 704
2010-09-10 06:24:08 C 22 28 18.75 +03 28 14.7 17.5 c 704
2010-09-10 06:41:30 C 22 28 18.03 +03 28 18.0 16.8 c 704
2010-09-10 06:58:47 C 22 28 17.25 +03 28 20.4 16.8 c 704
2010-09-11 22:08:54 C 22 26 40.22 +03 33 30.1 w J51
2010-09-11 22:43:30 C 22 26 38.65 +03 33 34.6 w J51
2010-09-11 22:57:08 C 22 26 38.02 +03 33 36.3 w J51
2010-09-11 23:04:19 C 22 26 37.32 +03 33 33.5 u 160
2010-09-11 23:06:31 C 22 26 37.21 +03 33 33.8 u 160
2010-09-11 23:08:48 C 22 26 37.12 +03 33 34.1 u 160
2010-09-13 14:08:50 C 22 25 01.01 +03 38 21.7 u 379
2010-09-13 14:11:30 C 22 25 00.88 +03 38 22.1 u 379
2010-09-13 14:18:09 C 22 25 00.59 +03 38 22.5 u 379
2010-09-13 14:23:28 C 22 25 00.35 +03 38 23.6 u 379
2010-09-13 14:30:09 C 22 25 00.05 +03 38 24.3 u 379
2010-09-13 14:35:30 C 22 24 59.81 +03 38 25.0 u 379
2010-09-13 14:47:29 C 22 24 59.24 +03 38 26.4 u 379
2010-09-13 17:54:17 C 22 24 52.37 +03 38 44.9 c 585
2010-09-13 17:55:19 C 22 24 52.33 +03 38 45.0 c 585
2010-09-13 17:59:27 C 22 24 52.15 +03 38 45.5 c 585
2010-09-13 18:01:28 C 22 24 52.08 +03 38 45.7 c 585
2010-09-13 18:03:29 C 22 24 51.98 +03 38 45.9 c 585
2010-09-13 18:05:30 C 22 24 51.89 +03 38 46.2 c 585
2010-09-13 18:11:13 C 22 24 51.66 +03 38 46.6 c 585
2010-09-13 18:14:15 C 22 24 51.52 +03 38 47.2 c 585
2010-09-13 18:17:16 C 22 24 51.38 +03 38 47.7 c 585
2010-09-17 05:11:35 C 22 21 33.48 +03 47 46.3 r 703
2010-09-17 05:21:11 C 22 21 33.08 +03 47 47.4 r 703
2010-09-17 05:30:49 C 22 21 32.65 +03 47 48.5 r 703