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
2024-04-01 07:28:20 C 10 32 38.804 +01 38 10.12 X F51
2024-04-01 07:44:33 C 10 32 38.413 +01 38 13.44 X F51
2024-04-01 13:49:00 C 10 32 30.060 +01 39 22.69 O18
2024-04-01 14:55:14 C 10 32 28.474 +01 39 35.34 O18
2024-04-03 13:53:43 C 10 31 26.911 +01 48 25.82 O18
2024-04-03 15:00:02 C 10 31 25.456 +01 48 38.09 O18
2024-04-05 13:56:55 C 10 30 30.248 +01 56 59.04 O18
2024-04-05 15:03:16 C 10 30 28.969 +01 57 10.48 O18
2024-04-05 17:51:17 C 10 30 25.693 +01 57 39.28 O18
2024-04-07 15:00:30 C 10 29 39.044 +02 05 11.09 O18
2024-04-07 17:36:36 C 10 29 36.378 +02 05 35.89 O18
2024-04-09 13:58:49 C 10 28 56.481 +02 12 30.01 O18
2024-04-09 15:00:43 C 10 28 55.546 +02 12 39.39 O18
2024-04-09 17:35:51 C 10 28 53.236 +02 13 02.53 O18
2024-04-10 14:00:26 C 10 28 37.051 +02 16 02.67 O18
2024-04-10 17:38:54 C 10 28 34.039 +02 16 34.22 O18
2024-04-11 13:57:47 C 10 28 19.311 +02 19 26.55 O18
2024-04-11 15:00:01 C 10 28 18.514 +02 19 35.22 O18
2024-04-11 17:40:58 C 10 28 16.480 +02 19 57.75 O18
2024-04-12 05:38:46 C 10 28 08.418 +02 21 36.14 V G96
2024-04-12 05:46:52 C 10 28 08.339 +02 21 37.04 V G96
2024-04-12 05:54:58 C 10 28 08.216 +02 21 38.48 V G96
2024-04-12 06:03:03 C 10 28 08.101 +02 21 40.00 V G96
2024-04-15 14:02:00 C 10 27 24.010 +02 31 40.76 O18
2024-04-15 14:51:31 C 10 27 23.590 +02 31 46.53 O18
2024-04-15 17:20:58 C 10 27 22.353 +02 32 03.80 O18
2024-04-24 14:23:56 C 10 26 48.706 +02 51 04.18 O18
2024-04-24 16:27:30 C 10 26 48.835 +02 51 11.85 O18
2024-04-24 16:29:30 C 10 26 48.832 +02 51 11.90 O18
2024-04-28 14:20:24 C 10 27 10.044 +02 56 06.65 O18
2024-04-28 14:22:24 C 10 27 10.033 +02 56 06.71 O18
2024-04-28 17:06:16 C 10 27 10.830 +02 56 13.48 O18
2024-05-02 14:16:43 C 10 27 52.364 +02 59 03.28 O18
2024-05-02 14:18:42 C 10 27 52.383 +02 59 03.01 O18
2024-05-02 16:36:08 C 10 27 53.575 +02 59 05.44 O18
2024-05-03 14:19:31 C 10 28 06.153 +02 59 27.87 O18
2024-05-03 14:21:31 C 10 28 06.178 +02 59 27.84 O18
2024-05-03 16:34:54 C 10 28 07.384 +02 59 29.60 O18
2024-05-03 16:36:54 C 10 28 07.416 +02 59 29.51 O18
2024-05-05 04:27:45 C 10 28 30.428 +02 59 51.97 V G96
2024-05-05 04:35:53 C 10 28 30.529 +02 59 51.65 V G96
2024-05-05 04:44:00 C 10 28 30.637 +02 59 51.97 V G96
2024-05-05 05:06:03 C 10 28 30.860 +02 59 51.97 V G96
2024-05-06 16:28:17 C 10 28 56.147 +02 59 56.06 O18
2024-05-06 16:34:34 C 10 28 56.229 +02 59 55.81 O18
2024-05-07 16:30:00 C 10 29 14.813 +02 59 49.49 O18
2024-05-07 16:34:08 C 10 29 14.863 +02 59 49.48 O18
2025-02-27 14:01:26 C 14 47 35.441 -22 37 37.50 X F52
2025-02-27 14:34:46 C 14 47 35.282 -22 37 39.20 X F52
2025-02-27 14:51:28 C 14 47 35.227 -22 37 40.12 X F52