2021 XB2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5377518508 ± 3.34e-05
Semi-major axis (a)0.8960232858 AU ± 3.01e-06
Inclination (i)10.85039596° ± 6.00e-04
Long. of Asc. Node (Ω)317.15834553° ± 1.17e-03
Arg. of Perihelion (ω)281.59939365° ± 1.51e-03
Mean Anomaly (M)101.30620591° ± 8.93e-03
Mean Motion (n)1.1620727887°/day ± 5.86e-06
Perihelion dist (q)0.41418511 AU ± 3.00e-05
Aphelion dist (Q)1.37786147 AU ± 3.03e-05
Orbital Period0.84816226 yr ± 4.28e-06
Physical Parameters
H (abs. magnitude)22.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.188″
Uncertainty1
Orbit TypeAten
MOID0.086856 AU
Observations Used26
Oppositions1
Arc Total2021-2021
First Observation Used2021-12-02
Last Observation Used2021-12-27
Observations (26)
Date Type RA Dec Mag Band Observatory
2021-12-02 06:43:39 C 04 57 09.71 +57 14 08.6 V V00
2021-12-02 06:50:44 C 04 57 07.52 +57 14 09.5 V V00
2021-12-02 06:57:48 C 04 57 05.33 +57 14 10.4 V V00
2021-12-02 07:04:51 C 04 57 03.17 +57 14 11.3 V V00
2021-12-02 09:46:37 C 04 56 13.19 +57 14 25.3 V V06
2021-12-02 09:49:31 C 04 56 12.30 +57 14 25.4 V V06
2021-12-02 09:52:26 C 04 56 11.40 +57 14 25.4 V V06
2021-12-02 09:55:20 C 04 56 10.50 +57 14 25.9 V V06
2021-12-03 03:37:24 C 04 50 49.32 +57 15 17.0 V 033
2021-12-03 03:42:33 C 04 50 47.74 +57 15 16.7 V 033
2021-12-03 03:47:44 C 04 50 46.16 +57 15 16.5 V 033
2021-12-03 04:52:08 C 04 50 29.48 +57 15 28.4 V V06
2021-12-03 04:54:01 C 04 50 28.92 +57 15 28.2 V V06
2021-12-04 06:08:41 C 04 42 41.31 +57 14 28.9 X 858
2021-12-04 06:17:35 C 04 42 38.50 +57 14 27.8 X 858
2021-12-08 06:04:11 C 04 12 16.45 +56 43 33.3 V V06
2021-12-08 06:07:25 C 04 12 15.37 +56 43 31.3 V V06
2021-12-08 06:10:40 C 04 12 14.28 +56 43 29.8 V V06
2021-12-08 06:44:47 C 04 12 03.04 +56 43 10.3 V I52
2021-12-08 07:06:23 C 04 11 55.91 +56 42 59.3 V I52
2021-12-08 07:13:00 C 04 11 53.74 +56 42 54.6 V I52
2021-12-12 10:02:16 C 03 40 56.45 +55 24 01.1 V V06
2021-12-12 10:05:19 C 03 40 55.44 +55 23 57.9 V V06
2021-12-12 10:06:51 C 03 40 55.20 +55 23 56.8 V V06
2021-12-27 02:17:55 C 02 19 03.53 +46 04 09.4 V I52
2021-12-27 02:31:10 C 02 19 01.33 +46 03 43.7 V I52