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
2007-02-11 22:43:16 C 08 19 29.67 +15 31 14.7 16.7 r 130
2007-02-13 20:11:31 C 08 18 03.99 +15 31 18.8 c A94
2007-02-13 20:16:42 C 08 18 03.82 +15 31 19.4 c A94
2007-02-13 20:21:53 C 08 18 03.66 +15 31 18.4 c A94
2007-02-13 23:46:49 C 08 17 57.19 +15 31 19.2 c A24
2007-02-13 23:48:16 C 08 17 57.13 +15 31 19.4 c A24
2007-02-14 00:05:17 C 08 17 56.60 +15 31 19.3 c A24
2007-02-14 00:40:45 C 08 17 55.53 +15 31 19.4 c A24
2007-02-14 00:42:12 C 08 17 55.43 +15 31 19.9 c A24
2007-02-15 21:58:10 C 08 16 39.46 +15 31 21.4 c A24
2007-02-15 21:59:36 C 08 16 39.54 +15 31 20.5 c A24
2007-02-15 22:12:23 C 08 16 39.08 +15 31 19.3 c A24
2007-02-15 22:27:29 C 08 16 38.68 +15 31 20.8 c A24
2007-02-15 22:47:55 C 08 16 38.15 +15 31 19.5 c A24
2007-02-15 23:06:59 C 08 16 37.58 +15 31 18.2 c A24
2007-02-15 23:52:12 C 08 16 36.33 +15 31 20.0 c A24
2007-02-16 00:03:39 C 08 16 36.00 +15 31 19.8 c A24
2007-02-16 22:39:43 C 08 16 01.41 +15 31 18.3 c A24
2007-02-16 22:41:10 C 08 16 01.39 +15 31 17.9 c A24
2007-02-16 23:37:13 C 08 15 59.92 +15 31 17.1 c A24
2007-02-17 00:29:24 C 08 15 58.50 +15 31 17.7 c A24
2007-02-17 00:30:51 C 08 15 58.53 +15 31 16.2 c A24
2007-02-17 00:46:54 C 08 15 58.09 +15 31 18.3 c A24
2007-02-17 05:59:03 C 08 15 50.72 +15 31 18.1 r G96
2007-02-17 06:05:30 C 08 15 50.58 +15 31 18.0 r G96
2007-02-17 06:11:54 C 08 15 50.40 +15 31 18.0 r G96
2007-02-17 06:18:19 C 08 15 50.22 +15 31 18.0 r G96
2007-02-18 21:05:23 C 08 14 57.13 +15 31 08.1 c A24
2007-02-18 21:23:22 C 08 14 56.83 +15 31 07.7 c A24
2007-02-18 21:42:16 C 08 14 56.32 +15 31 07.5 c A24
2007-02-18 22:03:31 C 08 14 55.99 +15 31 07.2 c A24
2007-02-19 22:25:38 C 08 14 25.81 +15 31 00.2 c A24
2007-02-19 22:30:21 C 08 14 25.69 +15 31 00.1 c A24
2007-02-19 23:07:58 C 08 14 24.77 +15 30 58.3 c A24
2007-02-19 23:27:33 C 08 14 24.36 +15 30 56.3 c A24
2007-02-19 23:44:36 C 08 14 24.01 +15 30 56.6 c A24
2007-02-20 00:03:12 C 08 14 23.58 +15 30 56.7 c A24
2007-02-20 00:21:46 C 08 14 23.16 +15 30 57.3 c A24
2007-02-20 00:38:04 C 08 14 22.84 +15 30 56.4 c A24
2007-02-20 20:41:47 C 08 14 00.48 +15 30 48.8 c A24
2007-02-20 20:56:36 C 08 14 00.18 +15 30 49.5 c A24
2007-02-20 21:09:31 C 08 13 59.91 +15 30 48.8 c A24
2007-02-20 21:10:59 C 08 13 59.88 +15 30 48.7 c A24
2007-02-20 21:28:46 C 08 13 59.52 +15 30 48.7 c A24
2007-02-20 21:47:52 C 08 13 59.17 +15 30 47.2 c A24
2007-02-20 22:04:03 C 08 13 58.84 +15 30 46.7 c A24
2007-02-20 22:59:56 C 08 13 57.75 +15 30 47.6 c A24
2007-02-22 05:15:55 C 08 13 27.15 +15 30 31.9 18.4 c 704
2007-02-22 05:32:34 C 08 13 26.83 +15 30 31.0 19.2 c 704
2007-02-22 05:49:18 C 08 13 26.49 +15 30 30.3 19.2 c 704