2021 WQ3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2918349887 ± 2.69e-04
Semi-major axis (a)1.3549871890 AU ± 5.05e-04
Inclination (i)8.26418127° ± 8.12e-03
Long. of Asc. Node (Ω)90.89342670° ± 1.11e-02
Arg. of Perihelion (ω)249.48537064° ± 1.34e-02
Mean Anomaly (M)239.02797169° ± 5.40e-01
Mean Motion (n)0.6248985148°/day ± 3.49e-04
Perihelion dist (q)0.95955452 AU ± 5.11e-04
Aphelion dist (Q)1.75041986 AU ± 7.47e-04
Orbital Period1.57725816 yr ± 8.81e-04
Physical Parameters
H (abs. magnitude)23.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.201″
Uncertainty3
Orbit TypeApollo
MOID0.055324 AU
Observations Used20
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-21
Last Observation Used2021-12-02
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-11-21 09:52:11 C 03 41 07.990 -09 08 24.03 V F51
2021-11-21 10:08:11 C 03 41 06.730 -09 07 41.56 V F51
2021-11-22 09:28:49 C 03 39 34.084 -08 06 24.24 V F51
2021-11-22 09:46:36 C 03 39 32.684 -08 05 37.59 V F51
2021-11-25 08:39:01 C 03 35 17.113 -05 08 17.73 V F52
2021-11-25 09:10:21 C 03 35 15.039 -05 07 02.68 V F52
2021-11-27 09:43:46 C 03 32 41.547 -03 13 10.47 V F51
2021-11-27 10:00:03 C 03 32 40.577 -03 12 33.06 U F51
2021-11-27 10:16:16 C 03 32 39.603 -03 11 55.91 U F51
2021-11-27 10:32:29 C 03 32 38.629 -03 11 19.13 U F51
2021-11-28 04:04:35 C 03 31 48.32 -02 31 10.8 V 807
2021-11-28 04:09:55 C 03 31 48.02 -02 30 58.9 V 807
2021-11-28 04:15:15 C 03 31 47.72 -02 30 47.0 V 807
2021-11-28 08:04:36 C 03 31 38.116 -02 22 48.72 U F51
2021-11-28 08:13:42 C 03 31 37.605 -02 22 28.59 U F51
2021-11-28 08:22:46 C 03 31 37.081 -02 22 07.83 U F51
2021-11-28 08:31:53 C 03 31 36.564 -02 21 48.11 U F51
2021-12-02 04:33:53 C 03 27 49.58 +00 52 46.9 V 807
2021-12-02 04:39:12 C 03 27 49.33 +00 52 57.5 V 807
2021-12-02 04:44:31 C 03 27 49.08 +00 53 08.5 V 807