IAA RAS IAA Minor Planet Database

2021 WW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0353908945 ± 3.69e-05
Semi-major axis (a)1.0466524382 AU ± 5.14e-05
Inclination (i)14.95298815° ± 6.31e-03
Long. of Asc. Node (Ω)61.72809892° ± 9.97e-05
Arg. of Perihelion (ω)18.04795698° ± 1.98e-02
Mean Anomaly (M)245.25956059° ± 7.97e-02
Mean Motion (n)0.9204676759°/day ± 6.78e-05
Perihelion dist (q)1.00961047 AU ± 6.29e-05
Aphelion dist (Q)1.08369440 AU ± 6.58e-05
Orbital Period1.07078859 yr ± 7.89e-05
Physical Parameters
H (abs. magnitude)25.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.425″
Uncertainty2
Orbit TypeApollo
MOID0.022954 AU
Observations Used43
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-27
Last Observation Used2021-12-09
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-11-27 05:08:27 C 03 14 05.25 +50 17 42.0 – V G96
2021-11-27 05:16:16 C 03 13 56.81 +50 20 04.8 – V G96
2021-11-27 05:24:05 C 03 13 48.34 +50 22 27.6 – V G96
2021-11-27 07:17:14 C 03 11 45.07 +50 56 04.0 – V I52
2021-11-27 07:17:28 C 03 11 44.80 +50 56 08.2 – V I52
2021-11-27 07:17:42 C 03 11 44.55 +50 56 12.4 – V I52
2021-11-27 07:17:57 C 03 11 44.26 +50 56 16.5 – V I52
2021-11-27 16:58:57 C 03 02 35.05 +53 37 03.2 – V 033
2021-11-27 16:59:27 C 03 02 34.51 +53 37 12.1 – V 033
2021-11-27 16:59:57 C 03 02 34.05 +53 37 19.3 – V 033
2021-11-27 17:00:39 C 03 02 33.27 +53 37 31.5 – V 033
2021-11-27 17:01:25 C 03 02 32.43 +53 37 44.8 – V 033
2021-11-27 20:05:59 C 02 59 15.23 +54 27 57.5 – V J95
2021-11-27 20:16:34 C 02 59 03.49 +54 30 47.8 – V J95
2021-11-27 20:28:04 C 02 58 50.56 +54 33 52.5 – V J95
2021-11-27 21:10:40 C 02 58 00.92 +54 45 54.2 – Z K19
2021-11-27 21:21:25 C 02 57 48.50 +54 48 41.9 – Z K19
2021-11-27 21:31:58 C 02 57 36.32 +54 51 26.8 – Z K19
2021-11-27 22:33:30 C 02 56 27.61 +55 07 13.0 – V I93
2021-11-27 22:36:42 C 02 56 23.88 +55 08 02.0 – V I93
2021-11-27 22:39:49 C 02 56 20.29 +55 08 50.2 – V I93
2021-11-28 01:34:15 C 02 52 56.54 +55 51 31.4 – V 511
2021-11-28 01:35:54 C 02 52 54.69 +55 51 54.6 – V 511
2021-11-28 01:37:16 C 02 52 53.07 +55 52 14.1 – V 511
2021-11-28 01:38:21 C 02 52 52.40 +55 52 34.3 – V 511
2021-11-28 01:39:31 C 02 52 50.59 +55 52 45.0 – V 511
2021-11-28 01:40:36 C 02 52 49.21 +55 53 01.4 – V 511
2021-11-28 01:41:42 C 02 52 48.04 +55 53 18.2 – V 511
2021-11-28 01:42:48 C 02 52 46.80 +55 53 32.6 – V 511
2021-11-28 02:18:40 C 02 52 08.47 +56 01 19.7 – V 033
2021-11-28 02:19:04 C 02 52 08.05 +56 01 25.1 – V 033
2021-11-28 02:19:29 C 02 52 07.64 +56 01 30.5 – V 033
2021-11-28 04:36:30 C 02 50 07.70 +56 37 43.0 – X 858
2021-11-28 04:41:28 C 02 49 34.55 +56 34 20.6 – V 033
2021-11-28 04:41:52 C 02 49 34.13 +56 34 27.1 – V 033
2021-11-28 04:42:17 C 02 49 33.65 +56 34 32.0 – V 033
2021-11-28 04:42:49 C 02 49 33.06 +56 34 39.5 – V 033
2021-11-28 04:42:56 C 02 49 59.93 +56 39 16.0 – X 858
2021-11-28 04:48:45 C 02 49 52.87 +56 40 41.0 – X 858
2021-11-28 04:54:28 C 02 49 45.98 +56 42 03.4 – X 858
2021-12-01 02:27:27 C 01 24 36.46 +68 03 45.3 – V I52
2021-12-01 02:31:26 C 01 24 30.62 +68 04 10.8 – V I52
2021-12-09 02:58:37 C 22 07 10.92 +73 01 05.7 – V 291
2021-12-09 03:21:23 C 22 06 55.39 +73 00 51.8 – V 291