2021 XH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6787332137 ± 5.23e-08
Semi-major axis (a)2.2199727767 AU ± 1.09e-08
Inclination (i)17.74499084° ± 9.86e-06
Long. of Asc. Node (Ω)311.18302439° ± 4.33e-05
Arg. of Perihelion (ω)215.08082047° ± 4.41e-05
Mean Anomaly (M)53.47978739° ± 2.90e-06
Mean Motion (n)0.2979825299°/day ± 2.19e-09
Perihelion dist (q)0.71320352 AU ± 1.16e-07
Aphelion dist (Q)3.72674203 AU ± 1.17e-07
Orbital Period3.30766466 yr ± 2.43e-08
Physical Parameters
H (abs. magnitude)19.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.220″
Uncertainty0
Orbit TypeApollo
MOID0.150440 AU
Observations Used82
Oppositions9
Arc Total2011-2024
First Observation Used2011-10-20
Last Observation Used2024-11-22
Observations (84)
Date Type RA Dec Mag Band Observatory
2011-10-20 11:34:49 C 03 14 34.160 +52 00 10.14 V F51
2011-10-20 11:52:00 C 03 14 33.141 +52 00 20.57 V F51
2011-10-20 12:11:50 C 03 14 31.894 +52 00 32.08 V F51
2011-10-24 12:17:27 C 03 08 19.359 +52 55 38.43 V F51
2011-10-24 12:35:03 C 03 08 18.024 +52 55 48.01 V F51
2011-11-15 05:49:27 C 02 09 27.940 +55 42 25.37 V F51
2011-11-15 06:07:43 C 02 09 25.155 +55 42 25.56 V F51
2011-11-15 06:26:38 C 02 09 22.299 +55 42 25.44 V F51
2011-11-15 06:43:29 C 02 09 19.768 +55 42 25.42 V F51
2011-12-09 07:57:24 C 00 48 58.589 +50 30 00.51 V F51
2011-12-09 08:08:10 C 00 48 57.415 +50 29 49.72 V F51
2021-12-02 13:54:26 C 09 14 13.69 +74 02 06.0 V T08
2021-12-02 13:58:34 C 09 14 16.04 +74 02 09.8 V T08
2021-12-02 14:03:13 C 09 14 18.84 +74 02 12.6 V T08
2021-12-02 14:14:38 C 09 14 26.29 +74 02 23.4 V T08
2021-12-02 18:17:26 C 09 17 05.11 +74 05 23.6 V J95
2021-12-02 18:57:20 C 09 17 31.87 +74 06 00.2 V J95
2021-12-02 19:01:36 C 09 17 34.58 +74 06 04.0 V J95
2021-12-02 21:08:36 C 09 19 00.50 +74 08 03.7 V 587
2021-12-02 21:09:38 C 09 19 01.19 +74 08 04.4 V 587
2021-12-02 21:10:40 C 09 19 01.91 +74 08 05.6 V 587
2021-12-02 21:22:35 C 09 19 09.24 +74 08 16.8 V B15
2021-12-02 21:24:10 C 09 19 10.38 +74 08 18.6 V B15
2021-12-02 21:25:44 C 09 19 11.43 +74 08 20.2 V B15
2021-12-02 21:27:44 C 09 19 12.75 +74 08 21.8 V B15
2021-12-02 21:31:13 C 09 19 15.22 +74 08 24.9 V 033
2021-12-02 21:31:38 C 09 19 15.45 +74 08 25.4 V 033
2021-12-02 21:32:02 C 09 19 15.77 +74 08 25.7 V 033
2021-12-03 01:12:44 C 09 21 42.79 +74 11 45.0 V I93
2021-12-03 01:20:28 C 09 21 47.97 +74 11 52.0 V I93
2021-12-03 01:27:56 C 09 21 52.93 +74 11 58.7 V I93
2021-12-03 05:26:29 C 09 24 30.17 +74 15 17.1 V 033
2021-12-03 05:26:54 C 09 24 30.31 +74 15 17.2 V 033
2021-12-03 05:27:18 C 09 24 30.61 +74 15 17.9 V 033
2021-12-03 05:27:56 C 09 24 31.05 +74 15 18.3 V 033
2021-12-03 10:27:52 C 09 28 01.02 +74 19 23.5 V I52
2021-12-03 10:31:15 C 09 28 03.38 +74 19 26.4 V I52
2021-12-03 10:34:38 C 09 28 05.70 +74 19 28.7 V I52
2021-12-03 10:38:02 C 09 28 07.90 +74 19 31.9 V I52
2021-12-03 18:26:40 C 09 33 38.19 +74 24 53.2 V 033
2021-12-03 18:27:05 C 09 33 38.54 +74 24 53.2 V 033
2021-12-03 19:25:52 C 09 34 21.07 +74 25 38.1 V 033
2021-12-03 19:26:17 C 09 34 21.47 +74 25 38.5 V 033
2021-12-03 19:26:42 C 09 34 21.84 +74 25 38.7 V 033
2021-12-03 20:07:45 C 09 34 51.91 +74 26 09.3 V 104
2021-12-03 20:29:25 C 09 35 07.77 +74 26 26.5 V 104
2021-12-03 20:56:29 C 09 35 27.52 +74 26 47.0 V 104
2021-12-03 21:00:31 C 09 35 30.23 +74 26 47.2 X J57
2021-12-03 21:32:37 C 09 35 53.41 +74 27 12.6 X J57
2021-12-03 22:04:47 C 09 36 16.91 +74 27 36.4 X J57