2021 WF1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6018940039 ± 4.16e-07
Semi-major axis (a)0.6802576079 AU ± 6.87e-09
Inclination (i)39.01186199° ± 1.29e-04
Long. of Asc. Node (Ω)250.63902928° ± 1.52e-05
Arg. of Perihelion (ω)346.69382676° ± 2.23e-05
Mean Anomaly (M)234.52016052° ± 8.72e-05
Mean Motion (n)1.7567184592°/day ± 2.66e-08
Perihelion dist (q)0.27081463 AU ± 2.83e-07
Aphelion dist (Q)1.08970058 AU ± 2.83e-07
Orbital Period0.56106104 yr ± 8.50e-09
Physical Parameters
H (abs. magnitude)21.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.340″
Uncertainty0
Orbit TypeAten
MOID0.052300 AU
Observations Used102
Oppositions7
Arc Total2016-2025
First Observation Used2016-11-08
Last Observation Used2025-11-15
Observations (102)
Date Type RA Dec Mag Band Observatory
2021-11-27 19:48:41 C 02 51 00.18 +61 38 04.5 V J95
2021-11-27 19:54:29 C 02 50 53.74 +61 37 11.5 V J95
2021-11-27 20:36:45 C 02 50 06.44 +61 30 51.9 Z K19
2021-11-27 20:45:29 C 02 49 56.68 +61 29 30.1 Z K19
2021-11-27 20:49:10 C 02 49 51.78 +61 28 50.8 V K74
2021-11-27 20:52:01 C 02 49 48.59 +61 28 23.7 V K74
2021-11-27 20:54:14 C 02 49 46.84 +61 28 08.6 Z K19
2021-11-27 22:25:27 C 02 48 06.41 +61 13 50.3 V I93
2021-11-27 22:27:33 C 02 48 04.07 +61 13 30.1 V I93
2021-11-27 22:29:38 C 02 48 01.80 +61 13 10.8 V I93
2021-11-28 09:40:30 C 02 36 27.98 +59 23 41.5 V T08
2021-11-28 09:45:08 C 02 36 23.38 +59 22 54.4 V T08
2021-11-28 09:53:06 C 02 36 15.19 +59 21 32.3 V T08
2021-11-28 10:10:22 C 02 35 57.43 +59 18 35.0 V T08
2021-12-02 03:56:31 C 01 31 22.95 +40 59 31.1 V I52
2021-12-02 03:58:24 C 01 31 21.95 +40 59 05.7 V I52
2021-12-02 04:01:42 C 01 31 20.20 +40 58 21.0 V I52
2021-12-02 04:01:57 C 01 31 20.07 +40 58 17.8 V I52
2021-12-02 08:41:11 C 01 28 57.96 +39 55 31.3 V T08
2021-12-02 08:46:31 C 01 28 55.26 +39 54 18.7 V T08
2021-12-02 08:55:16 C 01 28 50.66 +39 52 18.8 V T08
2021-12-02 09:23:56 C 01 28 36.01 +39 45 48.2 V T08
2021-12-03 03:02:22 C 01 20 35.37 +35 46 05.8 V 703
2021-12-03 03:17:39 C 01 20 28.37 +35 42 38.4 V 703
2021-12-03 03:25:18 C 01 20 24.96 +35 40 55.7 V 703
2021-12-03 19:03:03 C 01 14 02.82 +32 09 36.4 V 130
2021-12-03 19:05:45 C 01 14 01.77 +32 09 00.1 V 130
2021-12-03 19:08:35 C 01 14 00.61 +32 08 22.6 V 130
2021-12-03 20:42:19 C 01 13 21.91 +31 47 17.9 V L18
2021-12-03 20:47:40 C 01 13 19.76 +31 46 06.0 V L18
2021-12-03 20:53:05 C 01 13 17.62 +31 44 53.1 V L18
2021-12-04 06:17:53 C 01 09 48.11 +29 39 54.9 V 703
2021-12-04 06:25:27 C 01 09 45.21 +29 38 13.5 V 703
2021-12-04 06:33:00 C 01 09 42.37 +29 36 33.6 V 703
2021-12-04 06:40:34 C 01 09 39.53 +29 34 52.1 V 703
2021-12-06 04:10:01 C 00 55 38.36 +20 00 24.3 V I52
2021-12-06 04:10:15 C 00 55 38.30 +20 00 21.5 V I52
2021-12-06 04:10:29 C 00 55 38.24 +20 00 18.6 V I52
2021-12-06 04:10:43 C 00 55 38.16 +20 00 15.8 V I52
2021-12-08 03:40:05 C 00 44 37.33 +11 15 28.0 V 703
2021-12-08 03:48:27 C 00 44 35.39 +11 14 02.5 V 703
2021-12-08 03:56:48 C 00 44 33.63 +11 12 37.9 V 703
2021-12-08 04:05:10 C 00 44 31.83 +11 11 13.3 V 703
2021-12-09 02:26:46 C 00 40 20.10 +07 34 24.2 V I52
2021-12-09 02:27:02 C 00 40 20.04 +07 34 22.3 V I52
2021-12-09 02:28:27 C 00 40 19.75 +07 34 08.6 V I52
2021-12-21 04:09:12 C 00 12 29.86 -18 27 32.7 V 291
2021-12-21 04:17:06 C 00 12 29.44 -18 27 55.3 V 291
2021-12-21 04:25:03 C 00 12 28.98 -18 28 18.1 V 291
2025-11-15 11:59:00 C 09 40 13.987 +11 39 36.76 V V06