2021 WD3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1067967601 ± 2.22e-04
Semi-major axis (a)0.9895676918 AU ± 3.96e-05
Inclination (i)8.88137224° ± 1.82e-02
Long. of Asc. Node (Ω)242.88489085° ± 2.03e-04
Arg. of Perihelion (ω)55.12934484° ± 2.14e-02
Mean Anomaly (M)132.12238892° ± 1.39e-01
Mean Motion (n)1.0012534250°/day ± 6.01e-05
Perihelion dist (q)0.88388507 AU ± 2.23e-04
Aphelion dist (Q)1.09525032 AU ± 2.24e-04
Orbital Period0.98439242 yr ± 5.91e-05
Physical Parameters
H (abs. magnitude)25.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.310″
Uncertainty3
Orbit TypeAten
MOID0.043440 AU
Observations Used28
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-27
Last Observation Used2021-12-05
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-11-27 05:06:35 C 03 11 11.35 +15 09 03.1 V 703
2021-11-27 05:14:18 C 03 11 10.99 +15 08 14.0 V 703
2021-11-29 04:43:17 C 03 10 36.33 +10 30 04.0 V G96
2021-11-29 04:52:01 C 03 10 35.97 +10 29 17.6 V G96
2021-11-29 04:59:37 C 03 10 35.62 +10 28 36.3 V G96
2021-11-29 05:12:49 C 03 10 35.06 +10 27 26.0 V G96
2021-11-29 07:20:13 C 03 10 29.42 +10 16 04.0 V I52
2021-11-29 07:20:49 C 03 10 29.41 +10 16 00.5 V I52
2021-11-29 07:23:41 C 03 10 29.26 +10 15 45.3 V I52
2021-11-29 07:27:15 C 03 10 29.15 +10 15 26.2 V I52
2021-11-29 21:36:50 C 03 10 25.20 +09 01 33.7 V L01
2021-11-29 21:39:19 C 03 10 25.08 +09 01 21.2 V L01
2021-11-29 21:41:49 C 03 10 24.98 +09 01 08.6 V L01
2021-11-29 21:44:18 C 03 10 24.88 +09 00 56.7 V L01
2021-11-29 23:32:53 C 03 10 22.56 +08 51 50.4 V I93
2021-11-29 23:38:13 C 03 10 22.35 +08 51 23.3 V I93
2021-11-29 23:43:33 C 03 10 22.20 +08 50 56.7 V I93
2021-12-02 04:19:59 C 03 10 12.85 +04 51 32.1 V I52
2021-12-02 04:22:16 C 03 10 12.80 +04 51 23.7 V I52
2021-12-02 04:23:06 C 03 10 12.76 +04 51 20.2 V I52
2021-12-02 04:25:23 C 03 10 12.71 +04 51 09.8 V I52
2021-12-02 04:39:12 C 03 10 12.23 +04 50 13.8 V G96
2021-12-02 04:47:20 C 03 10 11.99 +04 49 40.2 V G96
2021-12-02 04:55:29 C 03 10 11.73 +04 49 06.5 V G96
2021-12-02 05:03:38 C 03 10 11.46 +04 48 33.2 V G96
2021-12-05 05:23:30 C 03 10 18.88 +00 27 54.7 o 691
2021-12-05 05:33:55 C 03 10 18.72 +00 27 22.1 o 691
2021-12-05 05:44:19 C 03 10 18.45 +00 26 49.6 o 691