2021 WC1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4098712889 ± 1.13e-04
Semi-major axis (a)1.3758865544 AU ± 2.06e-04
Inclination (i)9.01358843° ± 2.05e-03
Long. of Asc. Node (Ω)246.69328464° ± 1.16e-04
Arg. of Perihelion (ω)246.46289618° ± 2.33e-04
Mean Anomaly (M)138.38458648° ± 1.92e-01
Mean Motion (n)0.6107146474°/day ± 1.37e-04
Perihelion dist (q)0.81195016 AU ± 1.98e-04
Aphelion dist (Q)1.93982295 AU ± 3.30e-04
Orbital Period1.61389003 yr ± 3.63e-04
Physical Parameters
H (abs. magnitude)28.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.303″
Uncertainty3
Orbit TypeApollo
MOID0.001657 AU
Observations Used22
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-27
Last Observation Used2021-11-27
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-11-27 04:25:00 C 02 49 57.35 +50 38 40.9 V G96
2021-11-27 04:33:23 C 02 49 49.58 +50 40 36.5 V G96
2021-11-27 04:41:45 C 02 49 41.68 +50 42 33.0 V G96
2021-11-27 04:50:07 C 02 49 33.73 +50 44 29.3 V G96
2021-11-27 07:16:07 C 02 47 00.81 +51 18 25.6 V I52
2021-11-27 07:16:21 C 02 47 00.52 +51 18 28.9 V I52
2021-11-27 07:16:36 C 02 47 00.26 +51 18 32.3 V I52
2021-11-27 07:16:50 C 02 47 00.03 +51 18 35.7 V I52
2021-11-27 16:52:25 C 02 38 21.76 +54 29 45.5 V 033
2021-11-27 16:52:49 C 02 38 21.10 +54 29 58.7 V 033
2021-11-27 16:53:14 C 02 38 20.36 +54 30 12.0 V 033
2021-11-27 16:54:14 C 02 38 18.51 +54 30 44.7 V 033
2021-11-27 18:52:01 C 02 33 42.14 +55 41 42.8 V L18
2021-11-27 18:56:01 C 02 33 31.69 +55 44 08.5 V L18
2021-11-27 19:00:01 C 02 33 20.90 +55 46 36.5 V L18
2021-11-27 19:12:58 C 02 33 32.29 +55 50 09.9 V J95
2021-11-27 19:16:35 C 02 33 23.00 +55 52 30.9 V J95
2021-11-27 19:19:39 C 02 33 15.09 +55 54 30.1 V J95
2021-11-27 19:23:56 C 02 33 03.87 +55 57 18.4 V J95
2021-11-27 19:27:46 C 02 32 53.75 +55 59 49.1 V J95
2021-11-27 20:16:17 C 02 30 29.26 +56 36 49.5 Z K19
2021-11-27 20:23:13 C 02 30 07.37 +56 41 40.5 Z K19