2021 WH1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1081570904 ± 8.60e-07
Semi-major axis (a)1.3211351491 AU ± 5.71e-08
Inclination (i)22.13647957° ± 3.85e-05
Long. of Asc. Node (Ω)249.80463486° ± 2.58e-05
Arg. of Perihelion (ω)58.02044857° ± 6.34e-04
Mean Anomaly (M)318.17007461° ± 4.77e-04
Mean Motion (n)0.6490698040°/day ± 4.21e-08
Perihelion dist (q)1.17824502 AU ± 1.14e-06
Aphelion dist (Q)1.46402528 AU ± 1.14e-06
Orbital Period1.51852124 yr ± 9.84e-08
Physical Parameters
H (abs. magnitude)21.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.427″
Uncertainty0
Orbit TypeAmor
MOID0.212842 AU
Observations Used41
Oppositions2
Arc Total2018-2024
First Observation Used2018-11-18
Last Observation Used2024-11-20
Observations (41)
Date Type RA Dec Mag Band Observatory
2018-11-18 06:25:18 C 03 47 30.17 +38 09 45.5 V G96
2018-11-18 06:35:52 C 03 47 29.16 +38 09 21.3 V G96
2021-11-25 05:14:39 C 01 21 08.518 +31 06 58.68 U F51
2021-11-25 05:39:25 C 01 21 09.437 +31 06 00.99 U F51
2021-11-25 06:11:59 C 01 21 10.607 +31 04 45.47 U F51
2021-11-25 10:27:24 C 01 21 19.896 +30 54 46.42 V F51
2021-11-25 10:28:19 C 01 21 19.937 +30 54 44.23 V F51
2021-11-26 01:21:49 C 01 22 00.28 +30 20 05.1 X 858
2021-11-26 01:29:10 C 01 22 00.36 +30 19 48.1 V 734
2021-11-26 01:40:45 C 01 22 01.04 +30 19 22.4 X 858
2021-11-26 01:56:37 C 01 22 01.52 +30 18 45.6 V 734
2021-11-26 02:37:52 C 01 22 03.03 +30 17 10.8 V 734
2021-11-26 22:08:38 C 01 22 53.85 +29 32 23.8 V 033
2021-11-26 22:12:48 C 01 22 53.95 +29 32 14.1 V 033
2021-11-27 01:58:48 C 01 23 05.26 +29 23 46.4 X 858
2021-11-27 02:08:35 C 01 23 05.68 +29 23 23.7 X 858
2021-11-28 02:13:22 C 01 24 11.18 +28 29 19.9 X 858
2021-11-28 02:29:41 C 01 24 11.79 +28 28 44.2 X 858
2021-12-01 03:13:32 C 01 27 40.15 +25 51 58.2 V I52
2021-12-01 03:20:19 C 01 27 40.44 +25 51 43.2 V I52
2021-12-01 03:22:01 C 01 27 40.50 +25 51 39.9 V I52
2021-12-02 01:33:10 C 01 28 47.66 +25 05 54.1 o 291
2021-12-02 01:39:20 C 01 28 47.90 +25 05 41.8 o 291
2021-12-02 01:45:29 C 01 28 48.21 +25 05 29.3 o 291
2021-12-02 01:58:16 C 01 28 48.80 +25 05 04.3 V I52
2021-12-02 02:03:57 C 01 28 49.06 +25 04 51.4 V I52
2021-12-02 02:05:45 C 01 28 49.11 +25 04 47.4 V I52
2021-12-02 02:09:22 C 01 28 49.29 +25 04 41.0 V I52
2021-12-05 04:41:43 C 01 32 41.99 +22 38 35.8 o 291
2021-12-05 05:00:04 C 01 32 42.87 +22 38 01.0 o 291
2021-12-06 04:49:32 C 01 34 00.59 +21 53 49.1 V I52
2021-12-06 05:00:14 C 01 34 01.14 +21 53 29.9 V I52
2021-12-06 05:04:39 C 01 34 01.32 +21 53 21.1 V I52
2021-12-08 05:08:55 C 01 36 42.20 +20 27 59.5 o 691
2021-12-08 05:21:49 C 01 36 42.84 +20 27 35.3 o 691
2024-05-30 10:05:42 C 21 06 10.645 +04 43 50.20 V V06
2024-05-30 10:12:23 C 21 06 11.041 +04 44 09.60 V V06
2024-05-30 10:19:04 C 21 06 11.423 +04 44 28.79 V V06
2024-05-30 10:25:45 C 21 06 11.819 +04 44 48.16 V V06
2024-11-20 00:40:36 C 23 27 51.23 +28 49 02.6 V H21
2024-11-20 00:44:42 C 23 27 51.80 +28 48 54.8 V H21