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
2021-03-03 19:21:09 C 08 51 11.63 +27 32 16.8 V G17
2021-03-03 19:21:57 C 08 51 14.73 +27 33 22.4 V G17
2021-03-03 20:22:47 C 08 54 50.93 +28 53 48.1 L48
2021-03-03 20:26:27 C 08 55 05.86 +28 58 45.2 L48
2021-03-03 20:29:24 C 08 55 44.08 +29 04 39.9 V 160
2021-03-03 20:31:20 C 08 55 51.92 +29 07 16.5 V 160
2021-03-03 20:33:28 C 08 55 34.54 +29 08 14.4 L48
2021-03-03 20:33:31 C 08 56 00.96 +29 10 17.1 V 160
2021-03-03 20:35:04 C 08 55 41.08 +29 10 24.1 L48
2021-03-03 21:00:38 C 08 59 00.82 +29 54 19.8 V G40
2021-03-03 21:02:42 C 08 59 09.44 +29 57 12.1 V G40
2021-03-03 21:16:01 C 08 58 32.07 +30 05 55.9 L48
2021-03-03 22:23:39 C 09 03 29.38 +31 38 08.1 L48
2021-03-04 04:42:22 C 09 42 41.52 +40 45 17.5 V I52
2021-03-04 04:43:03 C 09 42 45.90 +40 46 17.2 V I52
2021-03-04 04:43:44 C 09 42 50.25 +40 47 17.2 V I52
2021-03-04 04:44:26 C 09 42 54.60 +40 48 16.7 V I52
2021-03-04 19:22:05 C 12 01 17.52 +56 46 21.5 t P66
2021-03-04 19:23:52 C 12 01 37.70 +56 47 17.9 t P66
2021-03-04 19:25:10 C 12 01 52.40 +56 47 58.9 t P66
2021-03-04 19:27:25 C 12 02 18.07 +56 49 10.0 t P66
2021-03-04 19:30:59 C 12 02 58.53 +56 51 00.9 t P66
2021-03-04 19:34:42 C 12 03 40.89 +56 52 55.4 t P66
2021-03-05 03:16:42 C 13 35 40.96 +58 54 36.4 V 204
2021-03-05 03:23:10 C 13 36 47.69 +58 54 25.2 V 204
2021-03-05 03:29:45 C 13 37 55.55 +58 54 10.9 V 204
2021-03-05 03:36:21 C 13 39 03.16 +58 53 53.0 V 204
2021-03-05 03:42:56 C 13 40 10.60 +58 53 32.6 V 204
2021-03-05 07:25:38 C 14 21 29.83 +58 24 12.2 U I41
2021-03-05 07:26:08 C 14 21 34.12 +58 24 07.9 U I41
2021-03-05 07:27:12 C 14 21 43.62 +58 23 58.7 U I41
2021-03-05 07:27:42 C 14 21 47.94 +58 23 55.3 U I41
2021-03-05 08:22:59 C 14 29 46.40 +58 15 22.8 U I41
2021-03-05 08:23:28 C 14 29 50.39 +58 15 17.2 U I41
2021-03-05 09:00:34 C 14 34 40.28 +58 09 58.0 V I52
2021-03-05 09:04:33 C 14 35 12.24 +58 09 07.2 V I52
2021-03-05 09:08:31 C 14 35 44.00 +58 08 15.9 V I52
2021-03-05 09:09:13 C 14 35 49.51 +58 08 06.7 V I52
2021-03-05 11:11:30 C 14 51 31.20 +57 35 25.0 U I41
2021-03-05 11:12:00 C 14 51 34.72 +57 35 15.9 U I41
2021-03-05 11:13:38 C 14 51 46.30 +57 34 46.6 U I41
2021-03-05 11:14:07 C 14 51 49.82 +57 34 38.2 U I41
2021-03-05 20:25:57 C 15 50 17.66 +53 50 50.8 V K61
2021-03-05 20:29:07 C 15 50 33.42 +53 49 48.8 V K61
2021-03-05 20:30:40 C 15 50 41.08 +53 49 18.9 V K61
2021-03-05 20:31:22 C 15 50 44.52 +53 49 05.2 V K61
2021-03-05 22:44:00 C 16 00 49.48 +53 06 03.2 V G34
2021-03-05 22:46:36 C 16 01 00.48 +53 05 12.3 V G34
2021-03-05 22:51:49 C 16 01 22.25 +53 03 31.3 V G34
2021-03-05 22:54:25 C 16 01 33.11 +53 02 41.0 V G34