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
2021-02-16 05:41:58 C 06 35 29.286 -24 14 40.49 U F51
2021-02-16 05:58:03 C 06 35 28.630 -24 14 34.66 U F51
2021-02-16 06:14:07 C 06 35 27.966 -24 14 28.56 U F51
2021-02-17 05:51:46 C 06 35 45.923 -24 02 23.71 V 568
2021-02-17 05:53:10 C 06 35 45.867 -24 02 23.10 V 568
2021-02-18 05:55:19 C 06 36 11.023 -23 47 49.43 V 568
2021-02-18 05:56:46 C 06 36 10.975 -23 47 48.47 V 568
2021-02-18 05:58:13 C 06 36 10.922 -23 47 47.73 V 568
2021-02-18 05:59:37 C 06 36 10.869 -23 47 46.91 V 568
2021-02-21 01:53:52 C 06 38 12.74 -22 46 02.8 u 807
2021-02-21 01:56:47 C 06 38 12.65 -22 45 58.7 u 807
2021-02-21 01:59:43 C 06 38 12.57 -22 45 56.3 u 807
2021-02-24 02:53:48 C 06 43 10.30 -20 58 15.9 V I52
2021-02-24 02:56:44 C 06 43 10.31 -20 58 09.1 V I52
2021-02-24 02:59:40 C 06 43 10.35 -20 58 03.8 V I52
2021-02-26 08:10:08 C 06 49 50.22 -18 23 15.8 V T08
2021-02-26 08:14:49 C 06 49 50.49 -18 22 55.8 V T08
2021-02-26 08:22:46 C 06 49 50.84 -18 22 22.3 V T08
2021-02-26 08:40:02 C 06 49 51.87 -18 21 09.4 V T08
2021-02-26 18:36:15 C 06 52 05.73 -17 41 30.7 V 595
2021-02-26 19:04:27 C 06 52 08.63 -17 39 25.8 V 595
2021-02-28 19:33:39 C 07 07 04.94 -12 00 52.5 V J95
2021-02-28 19:38:24 C 07 07 00.06 -11 59 55.2 V K74
2021-02-28 19:40:56 C 07 07 00.85 -11 59 28.9 V K74
2021-02-28 19:43:24 C 07 07 08.09 -11 59 10.3 V J95
2021-02-28 19:43:28 C 07 07 01.64 -11 59 01.9 V K74
2021-02-28 19:53:35 C 07 07 11.32 -11 57 22.0 V J95
2021-02-28 20:10:39 C 07 07 09.14 -11 53 28.2 V G17
2021-02-28 20:16:10 C 07 07 10.73 -11 52 28.5 V G17
2021-02-28 20:21:40 C 07 07 12.39 -11 51 29.2 V G17
2021-02-28 21:07:07 C 07 07 28.15 -11 43 24.2 V 204
2021-02-28 21:13:47 C 07 07 30.25 -11 42 09.7 V 204
2021-02-28 21:20:28 C 07 07 32.37 -11 40 55.0 V 204
2021-03-01 18:18:26 C 07 20 33.42 -06 43 10.3 V A17
2021-03-01 18:21:39 C 07 20 35.34 -06 42 12.5 V A17
2021-03-01 18:33:21 C 07 20 42.23 -06 38 39.8 V A17
2021-03-01 18:57:43 C 07 21 02.81 -06 31 26.9 V J95
2021-03-01 19:00:46 C 07 20 54.73 -06 30 19.5 V K61
2021-03-01 19:01:20 C 07 20 54.99 -06 30 09.3 V K61
2021-03-01 19:02:14 C 07 20 55.56 -06 29 52.6 V K61
2021-03-01 19:04:39 C 07 20 56.99 -06 29 08.1 V K61
2021-03-01 19:05:07 C 07 21 07.31 -06 29 10.5 V J95
2021-03-01 19:15:46 C 07 21 13.78 -06 25 53.5 V J95
2021-03-01 19:20:52 C 07 21 16.86 -06 24 18.6 V J95
2021-03-01 20:08:19 C 07 21 38.96 -06 09 26.8 V G33
2021-03-01 20:10:11 C 07 21 40.09 -06 08 51.3 V G33
2021-03-01 20:11:01 C 07 21 40.58 -06 08 35.5 V G33
2021-03-01 20:12:02 C 07 21 41.22 -06 08 15.2 V G33
2021-03-01 20:12:58 C 07 21 41.78 -06 07 57.5 V G33
2021-03-01 21:31:41 C 07 22 28.06 -05 41 59.5 V K87