2021 XA3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5078038000
Semi-major axis (a)2.0652626000 AU
Inclination (i)9.31570000°
Long. of Asc. Node (Ω)78.55014000°
Arg. of Perihelion (ω)348.07169000°
Mean Anomaly (M)121.73249000°
Mean Motion (n)0.3320787900°/day
Perihelion dist (q)1.01651440 AU
Aphelion dist (Q)3.11401080 AU
Orbital Period2.96799330 yr
Physical Parameters
H (abs. magnitude)26.46
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.940″
Uncertainty7
Orbit TypeAmor
MOID0.035558 AU
Observations Used41
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-12-12
Observations (42)
Date Type RA Dec Mag Band Observatory
2021-12-05 06:25:48 C 04 21 59.94 -05 28 39.5 V G96
2021-12-05 06:33:58 C 04 22 04.90 -05 26 44.1 V G96
2021-12-05 06:42:10 C 04 22 09.94 -05 24 48.6 V G96
2021-12-05 06:50:21 C 04 22 14.87 -05 22 54.2 V G96
2021-12-05 08:44:07 C 04 23 24.54 -04 56 05.3 V I52
2021-12-05 08:45:14 C 04 23 25.23 -04 55 49.2 V I52
2021-12-05 08:46:21 C 04 23 25.92 -04 55 33.6 V I52
2021-12-05 08:47:28 C 04 23 26.65 -04 55 20.7 V I52
2021-12-05 23:00:43 C 04 33 07.43 -01 31 16.5 V L01
2021-12-05 23:03:09 C 04 33 09.01 -01 30 41.0 V L01
2021-12-05 23:06:23 C 04 33 11.09 -01 29 54.7 V L01
2021-12-05 23:09:14 C 04 33 12.81 -01 29 13.7 V L01
2021-12-06 00:35:56 C 04 34 08.98 -01 08 07.7 V 204
2021-12-06 00:57:48 C 04 34 22.99 -01 02 47.9 V 204
2021-12-06 03:41:58 C 04 36 29.88 -00 22 02.4 V H01
2021-12-06 03:51:54 C 04 36 36.28 -00 19 36.3 V H01
2021-12-06 04:07:08 C 04 36 46.10 -00 15 52.4 V H01
2021-12-06 04:14:56 C 04 36 51.10 -00 13 57.8 V H01
2021-12-06 05:09:45 C 04 37 26.94 -00 00 25.4 V I52
2021-12-06 05:12:59 C 04 37 28.97 +00 00 21.9 V I52
2021-12-06 05:15:27 C 04 37 30.53 +00 00 58.3 V I52
2021-12-06 05:15:54 C 04 37 30.81 +00 01 04.8 V I52
2021-12-06 23:04:22 C 04 49 45.69 +04 24 41.5 V 204
2021-12-06 23:19:54 C 04 49 55.78 +04 28 33.6 V 204
2021-12-07 20:42:39 C 05 05 04.87 +09 45 22.2 V 033
2021-12-07 20:43:14 C 05 05 05.27 +09 45 30.4 V 033
2021-12-07 20:43:48 C 05 05 05.62 +09 45 39.1 V 033
2021-12-07 20:44:32 C 05 05 06.13 +09 45 49.5 V 033
2021-12-08 06:33:06 C 05 12 00.22 +12 09 53.1 V I52
2021-12-08 06:33:33 C 05 12 00.50 +12 09 59.3 V I52
2021-12-08 06:33:59 C 05 12 00.81 +12 10 06.1 V I52
2021-12-08 06:34:26 C 05 12 01.09 +12 10 12.3 V I52
2021-12-08 09:38:15 C 05 14 01.20 +12 54 11.9 V V06
2021-12-08 09:38:32 C 05 14 01.40 +12 54 15.8 V V06
2021-12-08 09:38:48 C 05 14 01.58 +12 54 19.7 V V06
2021-12-08 09:39:05 C 05 14 01.78 +12 54 23.9 V V06
2021-12-09 07:24:11 C 05 29 34.85 +17 57 23.9 V G96
2021-12-09 07:32:17 C 05 29 40.08 +17 59 12.2 V G96
2021-12-09 07:40:23 C 05 29 45.36 +18 01 01.6 V G96
2021-12-12 10:33:39 C 06 20 43.47 +32 06 54.8 V I52
2021-12-12 10:34:37 C 06 20 44.13 +32 07 03.9 V I52
2021-12-12 10:35:35 C 06 20 44.73 +32 07 11.9 V I52