2021 WM

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6764686421 ± 3.61e-08
Semi-major axis (a)2.0399323482 AU ± 4.06e-08
Inclination (i)28.61528185° ± 1.12e-05
Long. of Asc. Node (Ω)92.72581824° ± 1.04e-05
Arg. of Perihelion (ω)239.79491233° ± 1.47e-05
Mean Anomaly (M)151.94940933° ± 1.61e-05
Mean Motion (n)0.3382895863°/day ± 1.01e-08
Perihelion dist (q)0.65998208 AU ± 7.48e-08
Aphelion dist (Q)3.41988261 AU ± 1.00e-07
Orbital Period2.91355786 yr ± 8.71e-08
Physical Parameters
H (abs. magnitude)19.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.262″
Uncertainty0
Orbit TypeApollo
MOID0.140872 AU
Observations Used130
Oppositions2
Arc Total2021-2024
First Observation Used2021-11-22
Last Observation Used2024-12-21
Observations (135)
Date Type RA Dec Mag Band Observatory
2024-04-04 13:29:52 C 15 19 18.467 +32 18 37.74 V T12
2024-04-04 13:33:08 C 15 19 18.343 +32 18 40.38 V T12
2024-04-04 13:36:31 C 15 19 18.220 +32 18 43.02 V T12
2024-04-04 13:39:54 C 15 19 18.095 +32 18 45.68 V T12
2024-04-08 07:45:46 C 15 15 48.316 +33 30 01.94 V V06
2024-04-08 07:53:47 C 15 15 47.952 +33 30 08.03 V V06
2024-04-08 08:01:47 C 15 15 47.588 +33 30 14.54 V V06
2024-04-08 08:09:48 C 15 15 47.246 +33 30 20.81 V V06
2024-04-10 09:40:15 C 15 13 30.738 +34 08 50.21 V V06
2024-04-10 09:48:16 C 15 13 30.313 +34 08 56.36 V V06
2024-04-10 09:56:16 C 15 13 29.921 +34 09 02.63 V V06
2024-04-10 10:04:17 C 15 13 29.507 +34 09 08.82 V V06
2024-05-02 05:14:22 C 14 34 22.30 +39 26 27.8 V H21
2024-05-02 05:34:00 C 14 34 20.30 +39 26 35.0 V H21
2024-05-12 06:28:14 C 14 08 58.448 +40 10 25.25 V G96
2024-05-12 06:35:43 C 14 08 57.584 +40 10 25.39 V G96
2024-05-12 06:43:12 C 14 08 56.771 +40 10 25.00 V G96
2024-05-12 06:50:42 C 14 08 55.900 +40 10 25.68 V G96
2024-06-01 08:11:36 C 13 18 43.492 +37 00 23.18 V V06
2024-06-01 08:13:48 C 13 18 43.272 +37 00 21.31 V V06
2024-06-01 08:15:59 C 13 18 43.074 +37 00 19.69 V V06
2024-06-01 08:18:10 C 13 18 42.872 +37 00 18.04 V V06
2024-11-23 12:10:39 C 07 57 33.239 +09 44 01.75 V G96
2024-11-23 12:18:05 C 07 57 32.623 +09 44 11.98 V G96
2024-11-23 12:25:31 C 07 57 32.015 +09 44 22.16 V G96
2024-11-23 12:32:58 C 07 57 31.367 +09 44 31.88 V G96
2024-11-25 03:43:22 C 07 54 12.690 +10 38 43.80 X 033
2024-11-25 03:45:29 C 07 54 12.528 +10 38 46.90 X 033
2024-12-04 08:41:47 C 07 32 18.769 +15 52 38.17 V G96
2024-12-04 08:49:10 C 07 32 17.920 +15 52 48.68 V G96
2024-12-04 08:56:33 C 07 32 17.092 +15 52 59.20 V G96
2024-12-04 09:03:55 C 07 32 16.228 +15 53 09.74 V G96
2024-12-21 09:34:05 C 06 43 07.640 +24 41 55.79 V G96
2024-12-21 09:55:29 C 06 43 04.976 +24 42 18.94 V G96
2024-12-21 10:10:11 C 06 43 03.155 +24 42 34.52 V G96