2021 WA

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6039285709 ± 3.23e-04
Semi-major axis (a)2.0869585889 AU ± 1.48e-03
Inclination (i)9.12124057° ± 4.13e-03
Long. of Asc. Node (Ω)60.07623007° ± 7.74e-04
Arg. of Perihelion (ω)294.91542163° ± 6.49e-03
Mean Anomaly (M)132.52410886° ± 6.01e-01
Mean Motion (n)0.3269200291°/day ± 3.49e-04
Perihelion dist (q)0.82658467 AU ± 8.95e-04
Aphelion dist (Q)3.34733251 AU ± 2.48e-03
Orbital Period3.01488497 yr ± 3.22e-03
Physical Parameters
H (abs. magnitude)24.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.482″
Uncertainty3
Orbit TypeApollo
MOID0.023244 AU
Observations Used66
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-16
Last Observation Used2021-11-28
Observations (66)
Date Type RA Dec Mag Band Observatory
2021-11-17 19:22:29 C 04 09 34.41 -01 13 51.9 V L18
2021-11-17 19:27:29 C 04 09 34.12 -01 11 52.0 V L18
2021-11-17 19:32:29 C 04 09 33.81 -01 09 52.4 V L18
2021-11-18 14:06:28 C 04 09 13.43 +05 16 55.5 V 900
2021-11-18 14:11:47 C 04 09 13.08 +05 18 29.9 V 900
2021-11-18 14:17:05 C 04 09 12.72 +05 20 06.2 V 900
2021-11-18 14:26:14 C 04 09 12.16 +05 22 50.8 V 900
2021-11-18 14:35:04 C 04 09 11.59 +05 25 29.6 V 900
2021-11-18 14:43:53 C 04 09 11.01 +05 28 08.6 V 900
2021-11-23 00:20:38 C 04 08 11.40 +22 43 37.1 V K87
2021-11-23 00:44:41 C 04 08 10.69 +22 45 41.3 V K87
2021-11-23 01:08:44 C 04 08 10.01 +22 47 44.1 V K87
2021-11-28 06:23:51 C 04 07 35.18 +29 31 01.9 V G96
2021-11-28 06:31:11 C 04 07 35.03 +29 31 16.5 V G96
2021-11-28 06:38:30 C 04 07 34.85 +29 31 31.0 V G96
2021-11-28 06:45:50 C 04 07 34.67 +29 31 45.3 V G96