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
2021-02-19 03:13:13 S 18 09 14.042 +71 08 50.03 L C51
2021-02-20 11:15:34 C 16 37 41.18 +68 39 35.1 V 703
2021-02-20 11:31:10 C 16 36 56.76 +68 37 42.0 V 703
2021-02-20 11:38:58 C 16 36 34.71 +68 36 45.2 V 703
2021-02-20 12:42:04 C 16 33 35.18 +68 28 47.1 V I52
2021-02-20 12:42:25 C 16 33 34.17 +68 28 44.4 V I52
2021-02-20 12:42:46 C 16 33 33.16 +68 28 41.6 V I52
2021-02-20 12:43:07 C 16 33 32.16 +68 28 38.9 V I52
2021-02-20 13:01:20 C 16 32 40.33 +68 26 15.3 V I52
2021-02-20 13:01:41 C 16 32 39.35 +68 26 12.4 V I52
2021-02-20 13:04:37 C 16 32 31.01 +68 25 48.9 V I52
2021-02-20 13:04:58 C 16 32 30.00 +68 25 46.1 V I52
2021-02-20 17:04:03 C 16 22 35.42 +67 49 32.2 q Q21
2021-02-20 17:19:09 C 16 21 55.59 +67 47 29.4 q Q21
2021-02-20 17:52:20 C 16 20 00.22 +67 37 05.0 V K61
2021-02-20 17:53:14 C 16 19 58.06 +67 36 57.1 V K61
2021-02-20 17:54:09 C 16 19 55.90 +67 36 48.9 V K61
2021-02-20 17:55:44 C 16 19 52.10 +67 36 34.9 V K61
2021-02-20 17:56:44 C 16 19 49.66 +67 36 25.6 V K61
2021-02-20 17:59:54 C 16 19 42.23 +67 35 56.8 V K61
2021-02-20 18:56:39 C 16 17 27.11 +67 27 27.4 V G34
2021-02-20 19:01:52 C 16 17 14.49 +67 26 41.5 V G34
2021-02-20 19:07:04 C 16 17 02.23 +67 25 55.3 V G34
2021-02-20 19:34:19 C 16 15 58.56 +67 21 33.3 V 104
2021-02-20 19:38:37 C 16 15 48.40 +67 20 54.9 V 104
2021-02-20 19:47:11 C 16 15 28.20 +67 19 37.7 V 104
2021-02-20 20:06:27 C 16 14 46.77 +67 16 48.2 V L34
2021-02-20 20:25:45 C 16 14 01.43 +67 13 56.7 V L34
2021-02-20 20:52:06 C 16 12 59.22 +67 10 03.3 V L34
2021-02-20 21:02:10 C 16 12 35.42 +67 08 34.3 V L34
2021-02-20 21:20:00 C 16 11 54.35 +67 07 30.7 V D00
2021-02-20 21:20:20 C 16 11 53.51 +67 07 27.5 V D00
2021-02-20 21:20:40 C 16 11 52.69 +67 07 24.5 V D00
2021-02-20 21:20:46 C 16 11 43.89 +67 05 52.1 V C43
2021-02-20 21:21:00 C 16 11 51.87 +67 07 21.3 V D00
2021-02-20 21:21:21 C 16 11 51.13 +67 07 18.5 V D00
2021-02-20 21:23:43 C 16 11 36.81 +67 05 25.8 V C43
2021-02-20 21:26:39 C 16 11 29.77 +67 04 58.6 V C43
2021-02-20 21:29:34 C 16 11 22.82 +67 04 31.7 V C43
2021-02-20 21:40:29 C 16 10 57.45 +67 02 49.8 V K61
2021-02-20 21:42:31 C 16 10 52.59 +67 02 31.4 V K61
2021-02-20 21:45:06 C 16 10 46.41 +67 02 08.0 V K61
2021-02-20 21:46:47 C 16 10 42.31 +67 01 53.5 V K61
2021-02-20 23:05:29 C 16 07 38.98 +66 50 06.7 V L74
2021-02-20 23:22:11 C 16 06 58.40 +66 47 34.5 V L74
2021-02-21 03:31:59 C 15 56 44.37 +66 06 12.9 V K74
2021-02-21 03:39:46 C 15 56 25.37 +66 04 51.2 V K87
2021-02-21 03:40:52 C 15 56 22.61 +66 04 39.6 V K74
2021-02-21 03:42:39 C 15 56 18.35 +66 04 20.8 V K87
2021-02-21 03:45:31 C 15 56 11.23 +66 03 50.4 V K87