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 21:32:23 C 03 54 35.94 +21 53 34.3 V I93
2021-11-27 21:34:37 C 03 54 32.40 +21 53 46.2 V I93
2021-11-27 21:36:50 C 03 54 28.88 +21 53 58.0 V I93
2021-11-28 02:25:06 C 03 48 50.89 +22 14 35.8 o 691
2021-11-28 02:46:02 C 03 48 26.15 +22 16 07.8 o 691
2021-11-28 03:06:59 C 03 48 01.53 +22 17 37.2 o 691
2021-11-28 05:55:51 C 03 44 49.11 +22 27 42.5 V G96
2021-11-28 06:03:19 C 03 44 41.04 +22 28 04.5 V G96
2021-11-28 06:10:48 C 03 44 32.92 +22 28 26.8 V G96
2021-11-28 06:18:18 C 03 44 24.88 +22 28 48.4 V G96
2021-11-28 07:38:20 C 03 43 01.82 +22 32 16.6 V 703
2021-11-28 07:45:53 C 03 42 54.31 +22 32 34.6 V 703
2021-11-28 07:53:27 C 03 42 46.86 +22 32 51.6 V 703
2021-11-28 08:01:00 C 03 42 39.41 +22 33 08.3 V 703
2021-11-30 02:52:00 C 03 25 17.46 +23 23 14.0 o 691
2021-11-30 03:04:58 C 03 25 14.01 +23 23 25.7 o 691
2021-11-30 03:17:53 C 03 25 10.55 +23 23 36.6 o 691
2021-12-01 04:15:33 C 03 21 05.86 +23 34 00.9 o 691
2021-12-01 04:31:18 C 03 21 03.00 +23 34 08.0 o 691
2021-12-01 04:47:02 C 03 21 00.15 +23 34 15.0 o 691
2021-12-04 00:30:22 C 03 15 55.353 +23 46 11.12 V Z84
2021-12-04 01:41:24 C 03 15 50.358 +23 46 09.91 V Z84
2021-12-04 07:02:22 C 03 15 41.03 +23 47 08.3 o 291
2021-12-04 07:24:03 C 03 15 39.45 +23 47 09.1 o 291