2021 DW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2525046597 ± 1.52e-06
Semi-major axis (a)1.3271234500 AU ± 2.68e-06
Inclination (i)6.87730684° ± 3.91e-05
Long. of Asc. Node (Ω)162.46004710° ± 6.02e-06
Arg. of Perihelion (ω)10.58499702° ± 8.46e-06
Mean Anomaly (M)25.21574232° ± 3.41e-03
Mean Motion (n)0.6446816243°/day ± 1.95e-06
Perihelion dist (q)0.99201859 AU ± 2.84e-06
Aphelion dist (Q)1.66222831 AU ± 3.92e-06
Orbital Period1.52885742 yr ± 4.63e-06
Physical Parameters
H (abs. magnitude)25.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.365″
Uncertainty1
Orbit TypeApollo
MOID0.003758 AU
Observations Used282
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-16
Last Observation Used2021-03-15
Observations (298)
Date Type RA Dec Mag Band Observatory
2021-03-01 21:32:53 C 07 22 28.83 -05 41 36.0 V K87
2021-03-01 21:34:05 C 07 22 29.58 -05 41 11.5 V K87
2021-03-01 22:58:47 C 07 23 21.68 -05 11 12.8 V 160
2021-03-01 23:00:46 C 07 23 23.01 -05 10 31.6 V 160
2021-03-01 23:02:44 C 07 23 24.37 -05 09 50.0 V 160
2021-03-02 18:09:55 C 07 46 07.29 +03 40 41.9 V 246
2021-03-02 18:12:41 C 07 46 10.86 +03 42 25.3 V 246
2021-03-02 18:12:56 C 07 46 11.18 +03 42 34.7 V 246
2021-03-02 18:19:23 C 07 46 19.45 +03 46 34.2 V 246
2021-03-02 18:19:53 C 07 46 20.07 +03 46 52.2 V 246
2021-03-02 18:20:04 C 07 46 20.32 +03 46 59.6 V 246
2021-03-02 18:47:19 C 07 47 02.47 +04 04 52.4 V 204
2021-03-02 18:58:18 C 07 47 16.65 +04 11 49.3 V 204
2021-03-02 19:10:58 C 07 47 33.01 +04 19 52.2 V 204
2021-03-02 19:23:17 C 07 47 48.98 +04 27 45.4 V 204
2021-03-02 19:33:15 C 07 47 55.27 +04 32 41.4 V G34
2021-03-02 19:34:38 C 07 47 57.15 +04 33 35.3 V G34
2021-03-02 19:34:47 C 07 48 03.96 +04 35 09.5 V 204
2021-03-02 19:36:12 C 07 47 59.22 +04 34 35.9 V G34
2021-03-02 19:37:25 C 07 48 00.80 +04 35 22.9 V G34
2021-03-02 19:38:59 C 07 48 02.82 +04 36 22.5 V G34
2021-03-02 19:40:12 C 07 48 04.46 +04 37 10.0 V G34
2021-03-02 19:41:14 C 07 48 05.87 +04 37 50.5 V G34
2021-03-02 19:42:48 C 07 48 07.93 +04 38 52.0 V G34
2021-03-02 20:22:06 C 07 49 15.59 +05 04 21.0 V Z80
2021-03-02 20:26:17 C 07 49 21.30 +05 07 06.7 V Z80
2021-03-02 20:30:26 C 07 49 27.09 +05 09 52.4 V Z80
2021-03-02 20:34:37 C 07 49 32.79 +05 12 38.9 V Z80
2021-03-02 20:38:51 C 07 49 38.63 +05 15 28.5 V Z80
2021-03-02 20:43:16 C 07 49 44.75 +05 18 25.9 V Z80
2021-03-02 20:47:19 C 07 49 36.90 +05 23 35.1 V G17
2021-03-02 20:48:57 C 07 49 39.07 +05 24 40.5 V G17
2021-03-02 20:50:34 C 07 49 41.27 +05 25 46.3 V G17
2021-03-02 21:00:11 C 07 49 38.52 +05 30 28.1 V L18
2021-03-02 21:00:29 C 07 49 38.91 +05 30 39.9 V L18
2021-03-02 21:01:03 C 07 49 39.70 +05 31 02.5 V L18
2021-03-02 21:01:39 C 07 49 40.52 +05 31 26.6 V L18
2021-03-02 21:07:08 C 07 50 06.20 +05 34 59.3 V K74
2021-03-02 21:10:05 C 07 50 10.32 +05 36 59.1 V K74
2021-03-02 21:12:09 C 07 50 13.21 +05 38 22.9 V K74
2021-03-02 21:14:36 C 07 50 16.63 +05 40 02.6 V K74
2021-03-02 21:42:40 C 07 50 56.47 +05 59 14.3 V K87
2021-03-02 21:43:16 C 07 50 57.37 +05 59 39.7 V K87
2021-03-02 21:43:52 C 07 50 58.23 +06 00 04.6 V K87
2021-03-02 22:21:00 C 07 51 48.01 +06 27 50.1 V 160
2021-03-02 22:23:54 C 07 51 52.25 +06 29 52.5 V 160
2021-03-02 22:26:48 C 07 51 56.49 +06 31 54.9 V 160
2021-03-03 02:25:18 C 08 00 53.03 +09 37 00.7 V I52
2021-03-03 02:25:29 C 08 00 53.35 +09 37 09.7 V I52
2021-03-03 02:25:40 C 08 00 53.67 +09 37 19.1 V I52