2021 WO1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2639097935 ± 5.30e-07
Semi-major axis (a)0.9684996533 AU ± 3.96e-08
Inclination (i)21.08791290° ± 1.61e-05
Long. of Asc. Node (Ω)66.49078921° ± 5.80e-06
Arg. of Perihelion (ω)131.58419643° ± 4.26e-05
Mean Anomaly (M)304.62906015° ± 1.27e-04
Mean Motion (n)1.0341012707°/day ± 6.34e-08
Perihelion dist (q)0.71290311 AU ± 5.14e-07
Aphelion dist (Q)1.22409620 AU ± 5.16e-07
Orbital Period0.95312356 yr ± 5.84e-08
Physical Parameters
H (abs. magnitude)22.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.281″
Uncertainty0
Orbit TypeAten
MOID0.085779 AU
Observations Used60
Oppositions1
Arc Total2021-2022
First Observation Used2021-11-26
Last Observation Used2022-12-02
Observations (62)
Date Type RA Dec Mag Band Observatory
2021-11-26 06:05:24 C 01 34 57.433 -12 24 13.18 U F52
2021-11-26 06:21:49 C 01 34 53.548 -12 23 29.14 U F52
2021-11-26 06:38:14 C 01 34 49.658 -12 22 44.84 U F52
2021-11-26 06:54:40 C 01 34 45.764 -12 22 00.63 U F52
2021-11-26 08:58:43 C 01 34 16.384 -12 16 25.15 V F51
2021-11-26 08:59:38 C 01 34 16.164 -12 16 22.54 V F51
2021-11-26 09:00:34 C 01 34 15.953 -12 16 20.10 V F51
2021-11-26 09:01:30 C 01 34 15.729 -12 16 17.55 V F51
2021-11-27 02:38:11 C 01 30 21.31 -11 28 31.6 X 858
2021-11-27 02:48:45 C 01 30 18.90 -11 28 02.7 X 858
2021-11-27 03:01:39 C 01 30 15.89 -11 27 27.6 X 858
2021-11-27 04:47:46 C 01 29 51.56 -11 22 36.7 V I52
2021-11-27 04:48:46 C 01 29 51.36 -11 22 34.0 V I52
2021-11-27 04:49:47 C 01 29 51.10 -11 22 31.1 V I52
2021-11-27 04:50:47 C 01 29 50.85 -11 22 27.4 V I52
2021-11-27 06:51:40 C 01 29 24.824 -11 16 50.76 U F51
2021-11-27 07:02:09 C 01 29 22.382 -11 16 21.82 U F51
2021-11-27 07:12:44 C 01 29 19.944 -11 15 53.04 U F51
2021-11-27 07:25:04 C 01 29 17.086 -11 15 19.21 U F51
2021-11-27 19:01:45 C 01 26 45.00 -10 42 55.4 V L81
2021-11-27 22:53:40 C 01 25 52.92 -10 32 58.5 V 033
2021-11-27 22:55:44 C 01 25 52.48 -10 32 52.5 V 033
2021-11-27 22:57:49 C 01 25 52.03 -10 32 46.0 V 033
2021-11-28 02:54:43 C 01 25 02.57 -10 21 47.0 X 858
2021-11-28 03:02:39 C 01 25 00.78 -10 21 24.9 X 858
2021-11-28 04:34:26 C 01 24 40.56 -10 17 10.9 V 654
2021-11-28 06:07:23 C 01 24 19.65 -10 12 53.3 V 654
2021-11-28 07:42:54 C 01 23 58.34 -10 08 27.5 V 654
2021-12-01 02:03:44 C 01 10 18.46 -07 02 25.7 u 807
2021-12-01 02:13:00 C 01 10 16.54 -07 01 59.2 u 807
2021-12-01 02:21:27 C 01 10 14.79 -07 01 35.8 u 807
2021-12-01 02:45:21 C 01 10 11.44 -07 01 09.4 V I52
2021-12-01 02:46:26 C 01 10 11.20 -07 01 06.5 V I52
2021-12-01 02:47:30 C 01 10 11.00 -07 01 03.2 V I52
2021-12-01 02:48:34 C 01 10 10.78 -07 00 59.8 V I52
2021-12-03 03:30:17 C 01 00 52.47 -04 44 26.5 o 691
2021-12-03 03:54:36 C 01 00 47.78 -04 43 18.3 o 691
2021-12-03 04:18:53 C 01 00 43.09 -04 42 10.3 o 691
2021-12-05 05:57:15 C 00 51 53.63 -02 24 11.4 o 291
2021-12-05 06:07:39 C 00 51 51.80 -02 23 42.9 o 291
2021-12-08 03:58:26 C 00 40 35.78 +00 46 06.8 o 291
2021-12-08 04:06:00 C 00 40 34.53 +00 46 26.9 o 291
2021-12-08 04:13:36 C 00 40 33.36 +00 46 47.3 o 291
2021-12-09 02:23:38 C 00 37 15.18 +01 45 37.3 o 691
2021-12-09 02:47:22 C 00 37 11.49 +01 46 40.0 o 691
2021-12-15 01:17:03 C 00 18 35.22 +07 45 08.6 V 807
2021-12-15 01:27:08 C 00 18 33.96 +07 45 32.1 V 807
2021-12-15 01:36:59 C 00 18 32.81 +07 45 55.7 V 807
2022-11-16 09:30:08 C 06 56 57.830 +10 35 24.00 V I52
2022-11-16 09:40:49 C 06 56 58.350 +10 35 53.60 V I52