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
2006-12-24 00:06:33 C 09 15 41.36 +16 22 25.4 c A24
2006-12-24 00:31:30 C 09 15 40.64 +16 22 21.0 c A24
2006-12-24 00:42:27 C 09 15 40.42 +16 22 19.3 c A24
2006-12-24 00:43:55 C 09 15 40.37 +16 22 19.3 c A24
2006-12-24 01:33:55 C 09 15 38.95 +16 22 10.2 c A24
2006-12-24 01:58:55 C 09 15 38.30 +16 22 05.6 c A24
2006-12-24 02:00:23 C 09 15 38.25 +16 22 05.7 c A24
2006-12-24 21:13:05 C 09 15 08.67 +16 18 41.9 c A24
2006-12-24 21:14:33 C 09 15 08.64 +16 18 41.9 c A24
2006-12-24 22:47:44 C 09 15 05.92 +16 18 25.9 c A24
2006-12-25 01:54:08 C 09 15 00.49 +16 17 55.0 c A24
2006-12-25 01:55:36 C 09 15 00.48 +16 17 54.4 c A24
2006-12-25 06:56:39 C 09 14 52.58 +16 17 04.7 r 703
2006-12-25 07:13:06 C 09 14 52.11 +16 17 01.8 r 703
2006-12-25 07:29:29 C 09 14 51.64 +16 16 59.2 r 703
2006-12-25 07:45:52 C 09 14 51.14 +16 16 56.6 r 703
2006-12-25 21:41:03 C 09 14 27.52 +16 14 35.6 c A24
2006-12-25 23:08:13 C 09 14 24.74 +16 14 21.5 c A24
2006-12-25 23:51:04 C 09 14 23.46 +16 14 14.7 c A24
2006-12-25 23:52:31 C 09 14 23.42 +16 14 14.3 c A24
2006-12-26 02:01:16 C 09 14 19.32 +16 13 54.2 c A24
2006-12-26 02:02:43 C 09 14 19.28 +16 13 53.8 c A24
2006-12-26 23:34:57 C 09 13 40.38 +16 10 30.0 c A24
2006-12-26 23:36:25 C 09 13 40.39 +16 10 27.9 c A24
2006-12-27 08:20:28 C 09 13 23.62 +16 09 11.0 r G96
2006-12-27 08:30:54 C 09 13 23.26 +16 09 09.5 r G96
2006-12-27 08:41:15 C 09 13 22.87 +16 09 07.9 r G96
2006-12-27 08:51:55 C 09 13 22.51 +16 09 06.4 r G96
2006-12-31 03:39:23 C 09 10 07.63 +15 56 47.0 r 170
2006-12-31 03:45:31 C 09 10 07.38 +15 56 46.1 r 170
2006-12-31 09:06:46 C 09 09 55.04 +15 56 09.5 o 699
2006-12-31 09:33:05 C 09 09 53.87 +15 56 05.0 o 699
2006-12-31 09:59:24 C 09 09 52.78 +15 56 01.5 o 699
2006-12-31 10:25:44 C 09 09 51.67 +15 55 59.4 o 699
2006-12-31 11:25:52 C 09 09 48.99 +15 55 51.8 c H45
2006-12-31 11:30:10 C 09 09 48.80 +15 55 51.3 c H45
2006-12-31 11:37:26 C 09 09 48.49 +15 55 50.4 c H45
2006-12-31 11:40:14 C 09 09 48.37 +15 55 50.1 c H45
2007-01-02 07:56:21 C 09 07 59.56 +15 50 56.1 o 644
2007-01-02 08:25:38 C 09 07 58.22 +15 50 53.3 o 644
2007-01-02 08:57:03 C 09 07 56.78 +15 50 50.1 o 644
2007-01-02 10:26:10 C 09 07 52.41 +15 50 40.2 r H45
2007-01-02 10:29:04 C 09 07 52.29 +15 50 40.0 r H45
2007-01-02 10:32:15 C 09 07 52.15 +15 50 40.0 r H45
2007-01-02 10:38:13 C 09 07 51.86 +15 50 39.2 r H45
2007-01-02 10:43:21 C 09 07 51.62 +15 50 38.6 r H45
2007-01-08 11:02:23 C 09 01 02.03 +15 38 44.4 r H45
2007-01-08 11:04:01 C 09 01 01.94 +15 38 44.4 r H45
2007-01-08 11:15:26 C 09 01 01.34 +15 38 43.7 r H45
2007-01-08 11:16:31 C 09 01 01.29 +15 38 43.7 r H45