2021 DX1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3364502752 ± 2.83e-05
Semi-major axis (a)1.4424234242 AU ± 5.90e-05
Inclination (i)6.09879100° ± 4.48e-04
Long. of Asc. Node (Ω)347.98856598° ± 8.46e-05
Arg. of Perihelion (ω)132.24403891° ± 4.49e-05
Mean Anomaly (M)281.89714865° ± 6.16e-02
Mean Motion (n)0.5689487223°/day ± 3.49e-05
Perihelion dist (q)0.95711967 AU ± 5.65e-05
Aphelion dist (Q)1.92772718 AU ± 8.88e-05
Orbital Period1.73236400 yr ± 1.06e-04
Physical Parameters
H (abs. magnitude)23.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.334″
Uncertainty2
Orbit TypeApollo
MOID0.026632 AU
Observations Used234
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-20
Last Observation Used2021-04-01
Observations (244)
Date Type RA Dec Mag Band Observatory
2021-02-24 01:31:46 C 14 07 35.41 +48 38 06.1 V K38
2021-02-24 01:41:35 C 14 07 24.91 +48 35 18.6 V K38
2021-02-24 01:51:26 C 14 07 14.39 +48 32 30.1 V K38
2021-02-24 03:10:26 C 14 05 50.38 +48 09 47.5 V 204
2021-02-24 03:14:40 C 14 05 45.91 +48 08 33.9 V 204
2021-02-24 03:18:43 C 14 05 41.63 +48 07 23.4 V 204
2021-02-24 11:54:14 C 13 57 47.01 +45 38 32.8 V I52
2021-02-24 11:56:16 C 13 57 45.04 +45 37 57.0 V I52
2021-02-24 11:58:22 C 13 57 42.99 +45 37 19.9 V I52
2021-02-24 12:00:31 C 13 57 40.90 +45 36 42.0 V I52
2021-02-25 04:06:24 C 13 44 57.05 +40 54 46.9 V 204
2021-02-25 04:08:56 C 13 44 55.02 +40 54 02.5 V 204
2021-02-25 04:11:28 C 13 44 52.99 +40 53 18.2 V 204
2021-02-25 04:14:00 C 13 44 50.96 +40 52 33.8 V 204
2021-02-25 04:16:32 C 13 44 48.94 +40 51 49.4 V 204
2021-02-25 08:13:53 C 13 42 24.23 +39 44 04.0 U I41
2021-02-25 08:14:23 C 13 42 23.77 +39 43 55.3 U I41
2021-02-25 08:50:11 C 13 41 56.27 +39 33 57.5 U I41
2021-02-25 08:50:42 C 13 41 55.88 +39 33 48.7 U I41
2021-02-25 12:05:16 C 13 39 41.86 +38 39 38.8 V T08
2021-02-25 12:13:18 C 13 39 35.67 +38 37 23.8 V T08
2021-02-25 12:21:56 C 13 39 29.07 +38 34 59.1 V T08
2021-02-25 21:46:06 C 13 33 40.36 +35 51 45.8 V Z80
2021-02-25 21:51:07 C 13 33 37.28 +35 50 24.2 V Z80
2021-02-25 21:56:07 C 13 33 34.23 +35 49 03.3 V Z80
2021-02-25 22:10:46 C 13 33 25.44 +35 45 52.8 V 595
2021-02-25 22:14:18 C 13 33 23.16 +35 44 56.1 V 595
2021-02-25 22:17:51 C 13 33 20.93 +35 43 58.7 V 595
2021-02-25 22:21:23 C 13 33 18.63 +35 43 00.6 V 595
2021-02-25 23:05:45 C 13 32 51.10 +35 30 52.9 V 204
2021-02-25 23:10:49 C 13 32 47.85 +35 29 30.8 V 204
2021-02-25 23:15:53 C 13 32 44.60 +35 28 08.6 V 204
2021-02-26 04:23:18 C 13 29 29.18 +34 03 35.2 V J95
2021-02-26 04:29:04 C 13 29 25.59 +34 01 59.9 V J95
2021-02-26 04:34:54 C 13 29 21.97 +34 00 23.4 V J95
2021-02-26 04:40:46 C 13 29 18.30 +33 58 46.2 V J95
2021-02-26 06:35:05 C 13 28 37.76 +33 28 17.3 V 703
2021-02-26 06:43:00 C 13 28 33.02 +33 26 12.8 V 703
2021-02-26 06:50:55 C 13 28 28.20 +33 24 07.7 V 703
2021-02-26 06:58:51 C 13 28 23.46 +33 22 02.4 V 703
2021-02-26 22:51:06 C 13 20 14.43 +29 09 05.5 V Z80
2021-02-26 22:57:45 C 13 20 11.10 +29 07 25.7 V Z80
2021-02-26 22:58:56 C 13 20 09.90 +29 07 00.3 V Z99
2021-02-26 23:02:36 C 13 20 08.04 +29 06 05.1 V Z99
2021-02-26 23:04:50 C 13 20 07.44 +29 05 39.1 V Z80
2021-02-26 23:06:20 C 13 20 06.20 +29 05 09.4 V Z99
2021-02-26 23:09:57 C 13 20 04.38 +29 04 15.0 V Z99
2021-02-27 02:47:41 C 13 18 12.94 +28 09 41.5 V J95
2021-02-27 02:51:55 C 13 18 10.75 +28 08 37.3 V J95
2021-02-27 02:55:08 C 13 18 09.08 +28 07 48.8 V J95