2021 XB

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7107543888
Semi-major axis (a)2.6030345198 AU
Inclination (i)1.36826819° ± 4.00e+00
Long. of Asc. Node (Ω)54.49514976° ± 5.00e+00
Arg. of Perihelion (ω)307.92100605° ± 6.00e+00
Mean Anomaly (M)350.12728415°
Mean Motion (n)0.2346847100°/day
Perihelion dist (q)0.75292910 AU
Aphelion dist (Q)4.45313510 AU
Orbital Period4.19970980 yr
Physical Parameters
H (abs. magnitude)28.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.432″
Uncertainty
Orbit TypeApollo
MOID0.005132 AU
Observations Used26
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-12-02
Observations (26)
Date Type RA Dec Mag Band Observatory
2021-12-01 05:46:53 C 03 23 27.46 +42 10 19.6 V G96
2021-12-01 05:58:08 C 03 24 06.39 +42 06 37.5 V G96
2021-12-01 06:05:45 C 03 24 32.59 +42 04 06.5 V G96
2021-12-01 06:13:26 C 03 24 58.82 +42 01 34.9 V G96
2021-12-01 07:17:17 C 03 28 29.26 +41 40 43.9 V I52
2021-12-01 07:18:24 C 03 28 32.87 +41 40 21.2 V I52
2021-12-01 07:18:58 C 03 28 34.66 +41 40 09.9 V I52
2021-12-01 11:01:28 C 03 39 25.29 +40 30 13.6 V I52
2021-12-01 11:02:36 C 03 39 28.34 +40 29 53.1 V I52
2021-12-01 11:03:43 C 03 39 31.35 +40 29 32.1 V I52
2021-12-01 23:12:59 C 04 05 00.11 +37 37 17.7 V 033
2021-12-01 23:13:53 C 04 05 01.44 +37 37 06.9 V 033
2021-12-01 23:14:47 C 04 05 02.74 +37 36 56.1 V 033
2021-12-01 23:15:50 C 04 05 04.23 +37 36 44.1 V 033
2021-12-02 00:35:28 C 04 07 01.27 +37 21 22.4 V J95
2021-12-02 00:50:56 C 04 07 22.40 +37 18 26.3 V J95
2021-12-02 00:59:37 C 04 07 34.20 +37 16 47.1 V J95
2021-12-02 02:46:16 C 04 10 30.29 +36 58 07.2 X 858
2021-12-02 02:55:59 C 04 10 42.48 +36 56 31.1 X 858
2021-12-02 03:05:48 C 04 10 54.79 +36 54 53.6 X 858
2021-12-02 04:04:59 C 04 12 08.48 +36 45 21.4 V I52
2021-12-02 04:06:42 C 04 12 10.46 +36 45 05.3 V I52
2021-12-02 04:07:34 C 04 12 11.53 +36 44 56.2 V I52
2021-12-02 05:36:18 C 04 13 42.71 +36 30 12.8 u H21
2021-12-02 05:40:20 C 04 13 47.10 +36 29 34.0 u H21
2021-12-02 05:46:23 C 04 13 53.70 +36 28 34.9 u H21