2021 WT4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3509031000
Semi-major axis (a)1.5177600000 AU
Inclination (i)7.42885000°
Long. of Asc. Node (Ω)247.77975000°
Arg. of Perihelion (ω)210.19245000°
Mean Anomaly (M)30.84271000°
Mean Motion (n)0.5271077700°/day
Perihelion dist (q)0.98517330 AU
Aphelion dist (Q)2.05034670 AU
Orbital Period1.86984090 yr
Physical Parameters
H (abs. magnitude)26.71
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.950″
Uncertainty7
Orbit TypeApollo
MOID0.025596 AU
Observations Used31
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-12-07
Observations (32)
Date Type RA Dec Mag Band Observatory
2021-11-28 03:06:04 C 02 08 03.34 +22 51 15.0 V G96
2021-11-28 03:14:08 C 02 08 04.92 +22 50 35.1 V G96
2021-11-28 03:22:12 C 02 08 06.46 +22 49 55.2 V G96
2021-11-30 03:38:00 C 02 20 58.02 +18 06 45.4 V G96
2021-11-30 03:46:01 C 02 21 00.01 +18 05 52.5 V G96
2021-11-30 03:54:03 C 02 21 02.02 +18 04 58.5 V G96
2021-11-30 04:02:05 C 02 21 03.97 +18 04 05.7 V G96
2021-11-30 06:36:47 C 02 21 42.60 +17 46 32.5 V V06
2021-11-30 06:37:46 C 02 21 42.84 +17 46 25.6 V V06
2021-11-30 06:38:45 C 02 21 43.10 +17 46 18.8 V V06
2021-11-30 06:39:44 C 02 21 43.34 +17 46 11.9 V V06
2021-11-30 19:56:37 C 02 26 00.92 +16 10 52.8 V 204
2021-11-30 20:24:54 C 02 26 08.87 +16 07 25.1 V 204
2021-11-30 20:59:37 C 02 26 18.51 +16 03 06.8 V 587
2021-11-30 21:02:12 C 02 26 19.23 +16 02 48.6 V 587
2021-11-30 22:01:32 C 02 26 35.05 +15 55 24.4 V L01
2021-11-30 22:24:17 C 02 26 41.49 +15 52 33.1 V L01
2021-11-30 22:33:16 C 02 26 44.02 +15 51 25.1 V L01
2021-12-01 00:45:12 C 02 27 40.04 +15 34 56.4 u H21
2021-12-01 00:57:18 C 02 27 43.61 +15 33 25.2 u H21
2021-12-01 01:04:57 C 02 27 45.84 +15 32 28.4 u H21
2021-12-01 02:34:41 C 02 28 15.39 +15 21 18.9 X 858
2021-12-01 02:44:46 C 02 28 18.32 +15 20 01.9 X 858
2021-12-01 02:56:14 C 02 28 21.62 +15 18 34.1 X 858
2021-12-03 04:15:06 C 02 47 00.73 +07 58 12.0 V I52
2021-12-03 04:15:32 C 02 47 00.81 +07 58 08.1 V I52
2021-12-03 04:15:59 C 02 47 01.01 +07 58 03.7 V I52
2021-12-03 04:16:25 C 02 47 01.17 +07 57 58.4 V I52
2021-12-07 11:17:13 C 03 44 17.56 -14 27 19.5 V 474
2021-12-07 11:19:07 C 03 44 18.78 -14 27 48.5 V 474
2021-12-07 11:20:03 C 03 44 19.38 -14 28 03.1 V 474
2021-12-07 11:21:57 C 03 44 20.60 -14 28 32.2 V 474