2021 XB5

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5075489740 ± 3.68e-04
Semi-major axis (a)1.8450166535 AU ± 1.31e-03
Inclination (i)15.63916749° ± 7.60e-03
Long. of Asc. Node (Ω)254.05151823° ± 1.49e-04
Arg. of Perihelion (ω)138.28016964° ± 1.30e-03
Mean Anomaly (M)221.00576966° ± 6.15e-01
Mean Motion (n)0.3932890368°/day ± 4.19e-04
Perihelion dist (q)0.90858034 AU ± 9.36e-04
Aphelion dist (Q)2.78145296 AU ± 2.09e-03
Orbital Period2.50611177 yr ± 2.67e-03
Physical Parameters
H (abs. magnitude)25.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.365″
Uncertainty3
Orbit TypeApollo
MOID0.005291 AU
Observations Used37
Oppositions1
Arc Total2021-2021
First Observation Used2021-12-09
Last Observation Used2021-12-16
Observations (37)
Date Type RA Dec Mag Band Observatory
2021-12-09 08:16:18 C 05 51 37.09 -10 37 52.5 V 703
2021-12-09 08:24:22 C 05 51 38.71 -10 38 47.4 V 703
2021-12-09 08:32:26 C 05 51 40.22 -10 39 44.4 V 703
2021-12-09 08:40:31 C 05 51 41.80 -10 40 41.0 V 703
2021-12-09 09:09:38 C 05 51 47.60 -10 43 59.9 V I52
2021-12-09 09:09:59 C 05 51 47.67 -10 44 01.9 V I52
2021-12-09 09:12:30 C 05 51 48.18 -10 44 18.9 V I52
2021-12-09 09:36:58 C 05 51 53.00 -10 47 03.8 V I52
2021-12-09 09:37:19 C 05 51 53.07 -10 47 06.1 V I52
2021-12-09 09:37:42 C 05 51 53.15 -10 47 08.7 V I52
2021-12-09 10:33:44 C 05 52 03.94 -10 53 15.2 V V21
2021-12-09 10:58:04 C 05 52 09.04 -10 55 54.7 V V21
2021-12-09 23:55:33 C 05 55 18.34 -12 11 32.2 V 204
2021-12-10 00:13:17 C 05 55 20.95 -12 13 01.4 V 204
2021-12-10 05:40:22 C 05 56 26.50 -12 38 45.7 u H21
2021-12-10 05:45:40 C 05 56 27.18 -12 39 10.1 u H21
2021-12-10 05:54:29 C 05 56 28.29 -12 39 50.1 u H21
2021-12-10 12:39:44 C 05 57 35.78 -13 03 54.3 q E94
2021-12-10 12:54:47 C 05 57 37.42 -13 04 55.3 q E94
2021-12-10 13:09:43 C 05 57 38.97 -13 05 54.8 q E94
2021-12-10 13:23:11 C 05 57 40.45 -13 06 49.7 q E94
2021-12-11 10:54:28 C 06 00 29.67 -14 22 35.7 V 291
2021-12-11 10:56:02 C 06 00 29.80 -14 22 39.6 V 291
2021-12-11 10:57:35 C 06 00 29.93 -14 22 44.0 V 291
2021-12-12 05:46:01 C 06 02 37.88 -15 08 41.9 o 691
2021-12-12 05:59:32 C 06 02 38.57 -15 09 12.3 o 691
2021-12-12 06:08:32 C 06 02 39.03 -15 09 32.0 o 691
2021-12-12 07:08:12 C 06 02 41.74 -15 11 43.2 V I52
2021-12-12 07:12:21 C 06 02 41.94 -15 11 51.2 V I52
2021-12-12 07:17:03 C 06 02 42.22 -15 12 01.6 V I52
2021-12-12 07:20:14 C 06 02 42.33 -15 12 08.5 V I52
2021-12-15 06:05:26 C 06 06 55.78 -16 47 39.8 V 807
2021-12-15 06:10:46 C 06 06 55.83 -16 47 44.4 V 807
2021-12-15 06:16:05 C 06 06 55.90 -16 47 48.9 V 807
2021-12-16 07:07:28 C 06 07 54.01 -17 08 40.1 V 695
2021-12-16 07:27:18 C 06 07 54.13 -17 08 53.6 V 695
2021-12-16 07:47:07 C 06 07 54.24 -17 09 06.7 V 695