2021 WU4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4794417000
Semi-major axis (a)1.3700042000 AU
Inclination (i)29.19204000°
Long. of Asc. Node (Ω)245.40574000°
Arg. of Perihelion (ω)275.31270000°
Mean Anomaly (M)133.62215000°
Mean Motion (n)0.6146405500°/day
Perihelion dist (q)0.71316710 AU
Aphelion dist (Q)2.02684130 AU
Orbital Period1.60355130 yr
Physical Parameters
H (abs. magnitude)24.88
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.770″
Uncertainty8
Orbit TypeApollo
MOID0.002757 AU
Observations Used21
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-12-03
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-11-29 07:52:15 C 04 43 59.34 +10 21 55.6 V G96
2021-11-29 07:59:39 C 04 43 58.13 +10 20 11.3 V G96
2021-11-29 08:14:25 C 04 43 55.70 +10 16 46.5 V G96
2021-11-29 10:33:52 C 04 43 33.32 +09 43 55.0 V I52
2021-11-29 10:35:30 C 04 43 32.99 +09 43 32.2 V I52
2021-11-29 10:37:08 C 04 43 32.70 +09 43 09.2 V I52
2021-11-29 10:38:46 C 04 43 32.45 +09 42 45.6 V I52
2021-11-30 03:26:19 C 04 41 12.04 +05 33 27.2 V I52
2021-11-30 03:27:11 C 04 41 11.94 +05 33 13.8 V I52
2021-11-30 03:28:02 C 04 41 11.79 +05 33 00.5 V I52
2021-11-30 03:28:54 C 04 41 11.60 +05 32 46.5 V I52
2021-11-30 23:26:56 C 04 37 54.97 +00 08 04.5 V L01
2021-11-30 23:31:13 C 04 37 54.19 +00 06 51.0 V L01
2021-11-30 23:40:15 C 04 37 52.54 +00 04 18.1 V L01
2021-11-30 23:44:47 C 04 37 51.69 +00 02 59.9 V L01
2021-11-30 23:49:06 C 04 37 50.86 +00 01 46.9 V L01
2021-12-01 05:33:31 C 04 36 55.93 -01 36 44.0 V I52
2021-12-01 05:36:25 C 04 36 55.39 -01 37 34.6 V I52
2021-12-01 05:37:20 C 04 36 55.20 -01 37 50.3 V I52
2021-12-03 08:08:25 C 04 27 07.54 -17 27 52.9 V I52
2021-12-03 08:10:32 C 04 27 07.02 -17 28 34.1 V I52
2021-12-03 08:12:38 C 04 27 06.55 -17 29 15.9 V I52
2021-12-03 08:14:44 C 04 27 06.00 -17 29 57.9 V I52