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
2021-02-21 03:45:37 C 15 56 11.08 +66 03 49.7 V K74
2021-02-21 03:48:57 C 15 56 02.93 +66 03 14.5 V K74
2021-02-21 08:29:09 C 15 45 49.70 +65 10 37.1 u H21
2021-02-21 08:31:06 C 15 45 45.25 +65 10 15.4 u H21
2021-02-21 08:33:04 C 15 45 40.68 +65 09 53.8 u H21
2021-02-21 08:35:07 C 15 45 35.96 +65 09 31.6 u H21
2021-02-21 08:39:32 C 15 45 25.78 +65 08 43.2 u H21
2021-02-21 08:41:30 C 15 45 21.19 +65 08 21.6 u H21
2021-02-21 08:43:21 C 15 45 16.94 +65 08 01.2 u H21
2021-02-21 08:44:50 C 15 45 13.51 +65 07 45.0 u H21
2021-02-21 11:05:19 C 15 40 05.30 +64 40 58.5 V I52
2021-02-21 11:05:30 C 15 40 04.88 +64 40 56.5 V I52
2021-02-21 11:05:41 C 15 40 04.44 +64 40 54.4 V I52
2021-02-21 11:05:53 C 15 40 03.99 +64 40 52.2 V I52
2021-02-21 15:22:29 C 15 31 30.46 +63 45 28.6 q 900
2021-02-21 15:31:19 C 15 31 12.30 +63 43 45.4 q 900
2021-02-21 15:40:10 C 15 30 53.77 +63 42 02.3 q 900
2021-02-21 19:24:32 C 15 23 16.89 +62 49 40.7 V G34
2021-02-21 19:27:23 C 15 23 11.69 +62 49 05.1 V G34
2021-02-21 19:30:14 C 15 23 06.52 +62 48 28.7 V G34
2021-02-21 19:33:05 C 15 23 01.23 +62 47 51.8 V G34
2021-02-21 19:35:56 C 15 22 56.01 +62 47 16.0 V G34
2021-02-21 19:41:39 C 15 22 45.62 +62 46 04.7 V G34
2021-02-22 20:13:19 C 14 42 14.53 +56 45 35.0 V J95
2021-02-22 20:16:11 C 14 42 10.60 +56 44 50.7 V J95
2021-02-22 20:19:05 C 14 42 06.74 +56 44 06.4 V J95
2021-02-22 20:21:58 C 14 42 02.89 +56 43 22.3 V J95
2021-02-22 21:30:44 C 14 40 31.87 +56 27 19.6 V L18
2021-02-22 21:32:15 C 14 40 29.70 +56 26 56.2 V L18
2021-02-22 21:33:48 C 14 40 27.48 +56 26 32.4 V L18
2021-02-22 21:35:21 C 14 40 25.38 +56 26 08.3 V L18
2021-02-22 22:25:41 C 14 39 14.16 +56 11 49.9 V Z99
2021-02-22 22:28:14 C 14 39 10.67 +56 11 10.6 V Z99
2021-02-22 22:30:01 C 14 39 08.18 +56 10 43.0 V Z99
2021-02-22 22:31:54 C 14 39 05.60 +56 10 13.8 V Z99
2021-02-22 22:34:07 C 14 39 02.58 +56 09 39.9 V Z99
2021-02-23 00:43:05 C 14 36 05.55 +55 36 26.1 V Z80
2021-02-23 00:48:05 C 14 35 58.73 +55 35 07.8 V Z80
2021-02-23 00:53:05 C 14 35 51.66 +55 33 49.3 V Z80
2021-02-23 08:22:07 C 14 26 27.68 +53 31 50.8 V I52
2021-02-23 08:22:18 C 14 26 27.42 +53 31 47.5 V I52
2021-02-23 08:22:29 C 14 26 27.17 +53 31 44.8 V I52
2021-02-23 08:22:41 C 14 26 26.92 +53 31 41.8 V I52
2021-02-23 08:34:50 C 14 26 11.06 +53 28 26.4 V 703
2021-02-23 08:50:43 C 14 25 50.46 +53 24 11.7 V 703
2021-02-23 08:58:40 C 14 25 40.13 +53 22 04.2 V 703
2021-02-23 23:45:57 C 14 09 25.74 +49 07 52.8 V C47
2021-02-23 23:48:49 C 14 09 22.72 +49 07 04.8 V C47
2021-02-23 23:51:41 C 14 09 19.66 +49 06 16.4 V C47
2021-02-24 01:21:58 C 14 07 45.85 +48 40 52.9 V K38