2021 WA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4359982000
Semi-major axis (a)0.9929359000 AU
Inclination (i)3.25782000°
Long. of Asc. Node (Ω)65.21632000°
Arg. of Perihelion (ω)243.88663000°
Mean Anomaly (M)73.47941000°
Mean Motion (n)0.9961443600°/day
Perihelion dist (q)0.56001760 AU
Aphelion dist (Q)1.42585420 AU
Orbital Period0.98942260 yr
Physical Parameters
H (abs. magnitude)27.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.500″
Uncertainty6
Orbit TypeAten
MOID0.000835 AU
Observations Used71
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-12-04
Observations (74)
Date Type RA Dec Mag Band Observatory
2021-11-27 05:52:49 C 04 36 12.76 +19 15 01.5 V 703
2021-11-27 06:00:38 C 04 35 31.86 +19 17 53.5 V 703
2021-11-27 06:08:26 C 04 34 51.87 +19 20 43.3 V 703
2021-11-27 06:16:15 C 04 34 11.77 +19 23 28.1 V 703
2021-11-27 07:09:44 C 04 29 52.28 +19 40 57.5 V I52
2021-11-27 07:11:16 C 04 29 45.20 +19 41 25.2 V I52
2021-11-27 07:12:45 C 04 29 38.33 +19 41 52.1 V I52
2021-11-27 07:14:13 C 04 29 31.57 +19 42 18.0 V I52
2021-11-27 10:35:43 C 04 17 10.51 +20 36 48.7 V T08
2021-11-27 10:56:49 C 04 15 58.42 +20 40 53.7 V T08
2021-11-27 11:02:10 C 04 15 40.44 +20 41 54.0 V T08
2021-11-27 11:07:49 C 04 16 39.37 +20 35 20.3 r P93
2021-11-27 11:10:35 C 04 16 30.64 +20 35 56.2 r P93
2021-11-27 11:11:27 C 04 15 09.75 +20 43 35.9 V T08
2021-11-27 11:11:57 C 04 16 26.29 +20 36 14.0 r P93
2021-11-27 11:13:19 C 04 16 21.97 +20 36 31.8 r P93
2021-11-27 11:26:26 C 04 13 50.26 +20 36 45.6 16.9 r 718
2021-11-27 11:27:06 C 04 13 48.28 +20 36 51.5 17.0 r 718
2021-11-27 11:27:45 C 04 13 46.36 +20 36 58.4 17.0 r 718
2021-11-27 11:28:23 C 04 13 44.42 +20 37 05.0 16.9 r 718
2021-11-27 11:29:40 C 04 13 40.64 +20 37 18.5 17.2 r 718
2021-11-27 11:30:19 C 04 13 38.74 +20 37 24.6 16.9 r 718
2021-11-27 11:30:58 C 04 13 36.88 +20 37 30.5 16.9 r 718
2021-11-27 11:31:36 C 04 13 34.93 +20 37 37.5 17.0 r 718
2021-11-27 11:32:15 C 04 13 33.02 +20 37 44.1 16.6 r 718
2021-11-27 12:39:10 C 04 11 55.48 +20 53 15.3 q Q21
2021-11-27 12:45:56 C 04 11 35.94 +20 54 27.2 q Q21
2021-11-27 17:04:40 C 04 02 22.75 +21 24 25.3 V L01
2021-11-27 17:06:23 C 04 02 19.42 +21 24 39.1 V L01
2021-11-27 17:08:07 C 04 02 16.08 +21 24 52.7 V L01
2021-11-27 17:09:50 C 04 02 12.74 +21 25 05.9 V L01
2021-11-27 17:11:33 C 04 02 09.42 +21 25 19.8 V L01
2021-11-27 17:46:05 C 04 00 59.14 +21 28 37.6 V 033
2021-11-27 17:46:30 C 04 00 58.36 +21 28 40.4 V 033
2021-11-27 17:46:54 C 04 00 57.61 +21 28 43.6 V 033
2021-11-27 18:00:52 C 04 00 28.42 +21 31 42.6 V L18
2021-11-27 18:02:41 C 04 00 24.94 +21 31 56.3 V L18
2021-11-27 18:04:31 C 04 00 21.43 +21 32 09.4 V L18
2021-11-27 18:06:26 C 04 00 17.82 +21 32 23.3 V L18
2021-11-27 19:33:20 C 03 57 49.95 +21 40 20.2 V J95
2021-11-27 19:36:29 C 03 57 44.56 +21 40 40.7 V J95
2021-11-27 19:39:58 C 03 57 38.61 +21 41 03.3 V J95
2021-11-27 19:40:29 C 03 57 39.69 +21 42 56.6 Z K19
2021-11-27 19:43:10 C 03 57 33.17 +21 41 23.8 V J95
2021-11-27 19:46:20 C 03 57 29.52 +21 43 34.1 Z K19
2021-11-27 19:52:06 C 03 57 19.62 +21 44 10.1 Z K19
2021-11-27 20:46:19 C 03 55 50.90 +21 50 01.1 V B49
2021-11-27 20:47:08 C 03 55 49.54 +21 50 05.7 V B49
2021-11-27 20:49:10 C 03 55 46.14 +21 50 16.8 V B49
2021-11-27 20:51:43 C 03 55 41.91 +21 50 31.8 V B49