IAA RAS IAA Minor Planet Database

2021 WT1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6155743403 ± 5.19e-05
Semi-major axis (a)2.1222188408 AU ± 2.64e-04
Inclination (i)7.05864098° ± 5.40e-04
Long. of Asc. Node (Ω)262.19483838° ± 1.50e-04
Arg. of Perihelion (ω)244.82226750° ± 8.45e-04
Mean Anomaly (M)82.82040169° ± 7.48e-02
Mean Motion (n)0.3188063972°/day ± 5.94e-05
Perihelion dist (q)0.81583538 AU ± 1.50e-04
Aphelion dist (Q)3.42860230 AU ± 4.40e-04
Orbital Period3.09161388 yr ± 5.76e-04
Physical Parameters
H (abs. magnitude)23.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.211″
Uncertainty2
Orbit TypeApollo
MOID0.016551 AU
Observations Used63
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-26
Last Observation Used2021-12-28
Observations (63)
Date Type RA Dec Mag Band Observatory
2021-11-26 07:41:45 C 03 29 32.154 +30 40 48.69 – U F51
2021-11-26 08:02:08 C 03 29 30.066 +30 40 37.02 – U F51
2021-11-26 08:40:18 C 03 29 26.143 +30 40 14.86 – U F51
2021-11-27 05:14:58 C 03 27 28.76 +30 27 07.3 – X 858
2021-11-27 05:28:42 C 03 27 27.27 +30 26 58.2 – X 858
2021-11-27 05:42:19 C 03 27 25.87 +30 26 49.5 – X 858
2021-11-27 17:59:23 C 03 26 14.59 +30 18 16.0 – V 033
2021-11-27 18:01:43 C 03 26 14.35 +30 18 14.7 – V 033
2021-11-27 18:04:02 C 03 26 14.11 +30 18 12.5 – V 033
2021-11-28 05:23:09 C 03 25 04.93 +30 10 27.1 – V 654
2021-11-28 05:23:12 C 03 25 04.65 +30 10 28.3 – V G96
2021-11-28 05:30:40 C 03 25 03.82 +30 10 23.8 – V G96
2021-11-28 05:38:08 C 03 25 03.02 +30 10 18.2 – V G96
2021-11-28 05:45:37 C 03 25 02.16 +30 10 12.8 – V G96
2021-11-28 07:11:14 C 03 24 52.82 +30 09 09.3 – V 654
2021-11-28 08:45:15 C 03 24 42.28 +30 07 58.7 – V 654
2021-12-01 07:25:24 C 03 16 53.67 +29 08 17.7 – V I52
2021-12-01 07:27:29 C 03 16 53.40 +29 08 15.5 – V I52
2021-12-01 07:29:35 C 03 16 53.13 +29 08 13.4 – V I52
2021-12-01 07:31:44 C 03 16 52.86 +29 08 11.3 – V I52
2021-12-02 04:38:13 C 03 14 21.07 +28 46 57.7 – V I52
2021-12-02 04:40:28 C 03 14 20.76 +28 46 55.7 – V I52
2021-12-02 04:43:43 C 03 14 20.33 +28 46 52.4 – V I52
2021-12-02 04:48:51 C 03 14 19.63 +28 46 46.8 – V I52
2021-12-03 07:25:52 C 03 10 54.30 +28 17 25.9 – V I52
2021-12-03 07:32:15 C 03 10 53.42 +28 17 18.6 – V I52
2021-12-03 07:38:42 C 03 10 52.50 +28 17 10.8 – V I52
2021-12-03 07:47:33 C 03 10 51.27 +28 17 00.2 – V I52
2021-12-05 04:29:38 C 03 04 45.77 +27 20 31.7 – V I52
2021-12-05 04:30:23 C 03 04 45.67 +27 20 31.0 – V I52
2021-12-05 04:40:45 C 03 04 44.04 +27 20 16.8 – V I52
2021-12-05 04:48:47 C 03 04 42.81 +27 20 05.6 – V I52
2021-12-07 02:22:38 C 02 57 52.86 +26 11 36.7 – V I52
2021-12-07 02:24:30 C 02 57 52.62 +26 11 33.7 – V I52
2021-12-07 02:26:22 C 02 57 52.30 +26 11 30.9 – V I52
2021-12-07 02:28:13 C 02 57 51.94 +26 11 28.4 – V I52
2021-12-08 05:19:31 C 02 53 28.00 +25 25 17.3 – V G96
2021-12-08 05:27:37 C 02 53 26.51 +25 25 02.7 – V G96
2021-12-08 05:35:42 C 02 53 25.04 +25 24 48.1 – V G96
2021-12-08 05:43:47 C 02 53 23.59 +25 24 33.3 – V G96
2021-12-12 02:15:17 C 02 36 13.40 +22 02 04.2 – V I52
2021-12-12 02:16:46 C 02 36 13.08 +22 02 00.4 – V I52
2021-12-12 02:17:17 C 02 36 13.01 +22 01 58.8 – V I52
2021-12-12 02:18:46 C 02 36 12.63 +22 01 55.4 – V I52
2021-12-20 03:18:56 C 01 43 23.45 +08 58 28.6 – V 290
2021-12-20 03:21:10 C 01 43 22.60 +08 58 15.1 – V 290
2021-12-20 03:23:30 C 01 43 21.69 +08 58 00.9 – V 290
2021-12-20 03:25:41 C 01 43 20.85 +08 57 47.9 – V 290
2021-12-21 17:39:54 C 01 28 31.40 +04 46 26.4 – V 033
2021-12-21 17:40:39 C 01 28 31.05 +04 46 21.2 – V 033