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
2021-02-27 02:58:18 C 13 18 07.44 +28 07 00.7 V J95
2021-02-27 23:42:48 C 13 09 37.02 +23 06 54.4 V Z80
2021-02-27 23:50:18 C 13 09 33.83 +23 05 12.8 V Z80
2021-02-28 21:57:49 C 13 01 51.10 +18 17 20.0 V A17
2021-02-28 22:07:16 C 13 01 47.82 +18 15 26.0 V A17
2021-02-28 22:16:42 C 13 01 44.53 +18 13 32.2 V A17
2021-03-02 00:09:24 C 12 54 05.59 +13 18 30.8 V A17
2021-03-02 00:17:21 C 12 54 03.12 +13 17 07.2 V A17
2021-03-02 00:25:18 C 12 54 00.62 +13 15 43.2 V A17
2021-03-02 20:35:00 C 12 49 04.66 +09 54 02.4 V G34
2021-03-02 20:37:51 C 12 49 03.97 +09 53 35.5 V G34
2021-03-02 20:40:42 C 12 49 03.26 +09 53 09.1 V G34
2021-03-02 20:43:33 C 12 49 02.51 +09 52 42.7 V G34
2021-03-02 20:46:25 C 12 49 01.81 +09 52 15.2 V G34
2021-03-03 05:37:46 C 12 46 58.78 +08 31 51.0 u H21
2021-03-03 05:39:26 C 12 46 58.36 +08 31 36.2 u H21
2021-03-03 05:42:23 C 12 46 57.59 +08 31 10.2 u H21
2021-03-03 05:45:19 C 12 46 56.80 +08 30 44.2 u H21
2021-03-03 05:48:16 C 12 46 56.01 +08 30 18.2 u H21
2021-03-03 05:51:12 C 12 46 55.23 +08 29 52.1 u H21
2021-03-03 05:53:27 C 12 46 54.66 +08 29 32.3 u H21
2021-03-03 12:37:02 C 12 45 20.79 +07 31 55.7 V T08
2021-03-03 12:42:25 C 12 45 19.31 +07 31 09.7 V T08
2021-03-03 13:33:22 C 12 45 05.58 +07 23 52.7 V T08
2021-03-03 14:14:38 C 12 44 54.61 +07 17 59.2 V T08
2021-03-03 18:36:59 C 12 44 06.859 +06 40 31.42 V O85
2021-03-03 18:39:53 C 12 44 06.083 +06 40 07.00 V O85
2021-03-03 18:46:33 C 12 44 04.423 +06 39 12.42 V O85
2021-03-03 18:52:21 C 12 44 02.909 +06 38 24.20 V O85
2021-03-03 18:55:15 C 12 44 02.185 +06 38 00.53 V O85
2021-03-03 18:58:09 C 12 44 01.429 +06 37 36.20 V O85
2021-03-05 08:26:46 C 12 37 08.99 +01 59 41.5 V I52
2021-03-05 08:27:13 C 12 37 08.90 +01 59 38.7 V I52
2021-03-05 08:27:39 C 12 37 08.80 +01 59 35.8 V I52
2021-03-05 08:28:35 C 12 37 08.57 +01 59 29.6 V 703
2021-03-05 08:36:37 C 12 37 06.87 +01 58 36.4 V 703
2021-03-05 08:44:39 C 12 37 05.19 +01 57 43.2 V 703
2021-03-05 08:52:41 C 12 37 03.40 +01 56 49.7 V 703
2021-03-05 18:44:00 C 12 35 31.90 +00 53 24.9 V N31
2021-03-05 18:53:03 C 12 35 29.82 +00 52 27.4 V N31
2021-03-05 22:42:29 C 12 34 51.40 +00 27 52.4 o 069
2021-03-05 23:17:46 C 12 34 44.96 +00 24 17.4 o 069
2021-03-06 00:59:22 C 12 34 29.23 +00 14 08.6 V Z80
2021-03-06 01:06:02 C 12 34 28.02 +00 13 28.5 V Z80
2021-03-06 01:13:37 C 12 34 26.60 +00 12 42.6 V Z80
2021-03-06 01:52:52 C 12 34 17.87 +00 08 49.8 V K87
2021-03-06 01:55:01 C 12 34 17.49 +00 08 37.2 V K87
2021-03-06 01:57:10 C 12 34 17.08 +00 08 24.0 V K87
2021-03-06 22:58:52 C 12 31 18.53 -01 50 27.7 V G17
2021-03-06 23:04:06 C 12 31 17.61 -01 50 55.6 V G17