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
2006-08-30 09:50:13 C 04 49 59.77 +29 46 58.5 18.0 c 704
2006-08-30 10:06:11 C 04 50 02.57 +29 47 04.4 18.7 c 704
2006-08-30 10:22:10 C 04 50 05.27 +29 47 08.7 18.2 c 704
2006-08-30 10:38:09 C 04 50 08.01 +29 47 13.9 18.3 c 704
2006-08-30 10:54:08 C 04 50 10.72 +29 47 18.8 18.7 c 704
2006-09-01 09:45:43 C 04 58 15.30 +30 01 01.0 18.2 c 704
2006-09-01 10:01:49 C 04 58 18.05 +30 01 06.0 18.3 c 704
2006-09-01 10:17:55 C 04 58 20.77 +30 01 09.8 18.4 c 704
2006-09-01 10:34:07 C 04 58 23.60 +30 01 16.1 18.4 c 704
2006-09-01 10:50:12 C 04 58 26.29 +30 01 20.0 18.5 c 704
2006-09-17 00:44:12 C 06 02 26.37 +30 44 37.0 14.7 r 084
2006-09-18 09:41:43 C 06 07 56.63 +30 42 57.7 18.0 c 704
2006-09-18 09:58:25 C 06 07 59.44 +30 42 57.3 19.0 c 704
2006-09-18 10:14:59 C 06 08 02.13 +30 42 56.1 18.5 c 704
2006-09-18 10:31:34 C 06 08 04.91 +30 42 56.0 18.6 c 704
2006-09-29 09:33:29 C 06 50 17.28 +30 00 09.3 18.1 c 704
2006-09-29 09:51:15 C 06 50 19.99 +30 00 05.3 18.7 c 704
2006-09-29 10:08:59 C 06 50 22.71 +30 00 00.0 19.3 c 704
2006-10-01 09:49:36 C 06 57 38.19 +29 47 15.9 17.6 c 704
2006-10-01 10:08:16 C 06 57 41.02 +29 47 10.7 18.1 c 704
2006-10-01 10:33:47 C 06 57 44.76 +29 47 03.9 18.5 c 704
2006-10-12 00:24:59 C 07 33 55.62 +28 18 26.3 14.1 r 084
2006-10-19 00:26:22 C 07 55 20.48 +27 05 13.7 15.7 r 084
2006-10-19 09:50:08 C 07 56 28.54 +27 00 55.1 18.6 c 704
2006-10-19 10:06:39 C 07 56 30.56 +27 00 50.1 18.2 c 704
2006-10-19 10:23:07 C 07 56 32.57 +27 00 42.9 18.0 c 704
2006-10-19 10:40:19 C 07 56 34.53 +27 00 34.8 17.9 c 704
2006-10-20 09:05:17 C 07 59 14.73 +26 50 07.4 r H51
2006-10-20 09:26:27 C 07 59 17.64 +26 49 56.4 r H51
2006-10-20 09:47:38 C 07 59 19.87 +26 49 46.9 r H51
2006-10-20 10:14:27 C 07 59 23.13 +26 49 36.3 18.9 r 703
2006-10-20 10:29:45 C 07 59 24.97 +26 49 28.8 18.9 r 703
2006-10-20 10:38:58 C 07 59 26.05 +26 49 24.6 18.5 c 704
2006-10-20 10:44:57 C 07 59 26.77 +26 49 22.1 19.2 r 703
2006-10-20 10:55:41 C 07 59 28.03 +26 49 17.0 18.5 c 704
2006-10-20 11:12:32 C 07 59 29.91 +26 49 09.2 17.8 c 704
2006-10-20 11:29:33 C 07 59 31.96 +26 49 01.7 17.6 c 704
2006-10-26 03:20:20 C 08 14 50.32 +25 43 31.8 i 071
2006-10-26 03:26:51 C 08 14 50.72 +25 43 29.7 i 071
2006-10-26 03:32:18 C 08 14 51.26 +25 43 26.9 i 071
2006-10-28 10:25:07 C 08 20 36.85 +25 16 17.4 r 703
2006-10-28 10:34:26 C 08 20 37.71 +25 16 12.0 r 703
2006-10-28 10:43:44 C 08 20 38.68 +25 16 07.1 r 703
2006-10-28 10:53:05 C 08 20 39.66 +25 16 02.8 r 703
2006-10-29 10:21:09 C 08 23 02.63 +25 04 20.1 18.4 c 704
2006-10-29 10:39:41 C 08 23 04.46 +25 04 11.0 18.2 c 704
2006-10-29 10:57:02 C 08 23 06.15 +25 04 02.4 18.1 c 704
2006-10-29 11:14:26 C 08 23 07.89 +25 03 53.6 18.1 c 704
2006-10-29 11:32:15 C 08 23 09.61 +25 03 45.1 18.5 c 704
2006-11-03 09:35:56 C 08 34 26.10 +24 04 24.1 18.0 c 704