IAA RAS IAA Minor Planet Database

2021 WF2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3230632826 ± 1.09e-04
Semi-major axis (a)0.9487930816 AU ± 4.68e-05
Inclination (i)18.26624656° ± 7.96e-03
Long. of Asc. Node (Ω)68.45817619° ± 6.75e-04
Arg. of Perihelion (ω)117.38112440° ± 4.05e-03
Mean Anomaly (M)24.85862959° ± 9.18e-02
Mean Motion (n)1.0664856404°/day ± 7.88e-05
Perihelion dist (q)0.64227287 AU ± 1.08e-04
Aphelion dist (Q)1.25531329 AU ± 1.21e-04
Orbital Period0.92418149 yr ± 6.83e-05
Physical Parameters
H (abs. magnitude)25.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.401″
Uncertainty2
Orbit TypeAten
MOID0.007573 AU
Observations Used48
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-28
Last Observation Used2021-12-02
Observations (48)
Date Type RA Dec Mag Band Observatory
2021-11-28 01:07:42 C 03 11 29.45 -13 30 44.6 – V W94
2021-11-28 01:15:58 C 03 11 19.46 -13 30 10.6 – V W94
2021-11-28 01:24:13 C 03 11 09.74 -13 29 36.3 – V W94
2021-11-28 03:41:32 C 03 08 24.30 -13 19 51.5 – V W95
2021-11-28 03:49:09 C 03 08 14.94 -13 19 17.9 – V W95
2021-11-28 03:56:47 C 03 08 05.72 -13 18 44.5 – V W95
2021-11-28 05:22:22 C 03 06 20.61 -13 12 17.6 – V W95
2021-11-28 05:29:58 C 03 06 11.25 -13 11 42.8 – V W95
2021-11-28 05:37:34 C 03 06 01.89 -13 11 07.0 – V W95
2021-11-28 20:12:18 C 02 47 43.60 -12 01 35.5 – V L01
2021-11-28 20:13:48 C 02 47 41.54 -12 01 27.7 – V L01
2021-11-28 20:15:18 C 02 47 39.42 -12 01 19.1 – V L01
2021-11-28 20:16:47 C 02 47 37.35 -12 01 10.6 – V L01
2021-11-28 20:18:17 C 02 47 35.19 -12 01 02.3 – V L01
2021-11-28 20:47:37 C 02 46 54.58 -11 58 15.5 – V 104
2021-11-28 20:52:06 C 02 46 48.31 -11 57 51.3 – V 104
2021-11-28 21:01:02 C 02 46 35.57 -11 57 00.2 – V 104
2021-11-28 21:32:49 C 02 45 52.54 -11 54 00.4 – V I93
2021-11-28 21:36:47 C 02 45 46.87 -11 53 37.8 – V I93
2021-11-28 21:40:45 C 02 45 41.21 -11 53 15.5 – V I93
2021-11-28 21:46:22 C 02 45 31.52 -11 52 46.1 – V 203
2021-11-28 22:09:09 C 02 44 58.95 -11 50 35.5 – V 203
2021-11-28 23:16:26 C 02 43 24.58 -11 44 15.7 – V J95
2021-11-28 23:23:01 C 02 43 15.16 -11 43 37.3 – V J95
2021-11-28 23:29:03 C 02 43 06.44 -11 43 02.3 – V J95
2021-11-29 01:50:37 C 02 39 46.56 -11 24 54.4 – X Y00
2021-11-29 01:55:37 C 02 39 39.18 -11 24 23.9 – X Y00
2021-11-29 02:00:31 C 02 39 31.77 -11 23 54.5 – X Y00
2021-11-29 03:31:05 C 02 37 30.32 -11 17 59.6 – X 858
2021-11-29 03:35:56 C 02 37 23.00 -11 17 29.7 – X 858
2021-11-29 03:40:48 C 02 37 15.68 -11 16 59.3 – X 858
2021-11-29 05:52:12 C 02 33 56.51 -11 03 02.5 – V 703
2021-11-29 05:59:45 C 02 33 44.78 -11 02 14.1 – V 703
2021-11-29 06:07:19 C 02 33 33.12 -11 01 26.0 – V 703
2021-11-29 06:14:53 C 02 33 21.57 -11 00 35.8 – V 703
2021-12-01 02:24:29 C 01 15 14.44 -04 39 57.3 – V I52
2021-12-01 02:24:44 C 01 15 13.95 -04 39 55.0 – V I52
2021-12-01 02:24:58 C 01 15 13.44 -04 39 52.5 – V I52
2021-12-01 02:25:12 C 01 15 12.96 -04 39 49.9 – V I52
2021-12-01 10:47:28 C 00 57 40.08 -03 01 45.3 – V 474
2021-12-01 10:48:25 C 00 57 38.03 -03 01 34.4 – V 474
2021-12-01 10:49:22 C 00 57 35.98 -03 01 23.7 – V 474
2021-12-01 10:50:19 C 00 57 33.92 -03 01 12.9 – V 474
2021-12-02 21:15:47 C 23 43 22.50 +03 34 13.2 – V 033
2021-12-02 21:16:17 C 23 43 21.44 +03 34 18.8 – V 033
2021-12-02 21:16:47 C 23 43 20.37 +03 34 24.4 – V 033
2021-12-02 21:17:25 C 23 43 19.00 +03 34 32.0 – V 033
2021-12-02 21:18:37 C 23 43 16.40 +03 34 45.6 – V 033