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
2021-03-06 23:10:25 C 12 31 16.57 -01 51 29.5 V G17
2021-03-07 01:58:20 C 12 30 47.92 -02 06 30.0 V K87
2021-03-07 02:00:44 C 12 30 47.48 -02 06 42.2 V K87
2021-03-07 02:03:09 C 12 30 47.06 -02 06 55.0 V K87
2021-03-07 07:17:31 C 12 30 09.71 -02 33 29.7 q 858
2021-03-07 07:38:02 C 12 30 06.15 -02 35 14.7 q 858
2021-03-07 07:58:33 C 12 30 02.63 -02 36 59.0 q 858
2021-03-07 09:12:01 C 12 29 50.59 -02 43 04.9 V G96
2021-03-07 09:19:28 C 12 29 49.30 -02 43 42.5 V G96
2021-03-07 09:26:53 C 12 29 48.01 -02 44 19.9 V G96
2021-03-07 09:34:18 C 12 29 46.72 -02 44 57.2 V G96
2021-03-07 11:02:33 C 12 29 38.94 -02 51 47.4 V T08
2021-03-07 11:07:13 C 12 29 38.10 -02 52 10.7 V T08
2021-03-07 11:15:12 C 12 29 36.66 -02 52 50.8 V T08
2021-03-07 11:22:33 C 12 29 35.40 -02 53 27.2 V T08
2021-03-08 01:30:57 C 12 27 44.24 -04 02 22.5 V K87
2021-03-08 01:32:57 C 12 27 43.90 -04 02 31.5 V K87
2021-03-08 01:34:58 C 12 27 43.56 -04 02 41.0 V K87
2021-03-11 06:22:20 C 12 19 30.45 -08 51 08.6 V W88
2021-03-11 06:38:32 C 12 19 28.44 -08 51 58.1 V W88
2021-03-11 07:07:21 C 12 19 24.89 -08 53 27.3 V W88
2021-03-12 03:22:07 C 12 17 43.96 -09 55 10.9 V W46
2021-03-12 03:57:35 C 12 17 40.03 -09 56 50.7 V W46
2021-03-15 06:58:07 C 12 11 55.59 -12 51 54.1 o 691
2021-03-15 07:06:50 C 12 11 54.75 -12 52 11.2 o 691
2021-03-15 07:15:32 C 12 11 53.96 -12 52 28.2 o 691
2021-03-15 11:29:23 C 12 11 34.917 -13 00 20.98 U F51
2021-03-15 11:52:33 C 12 11 32.702 -13 01 04.77 U F51
2021-03-15 12:09:36 C 12 11 31.091 -13 01 36.75 U F51
2021-03-15 12:26:36 C 12 11 29.491 -13 02 08.45 U F51
2021-03-18 05:57:18 C 12 07 39.58 -14 49 38.5 V I52
2021-03-18 06:08:38 C 12 07 38.76 -14 49 54.5 V I52
2021-03-20 11:27:22 C 12 04 56.980 -15 56 11.23 U F51
2021-03-20 12:02:16 C 12 04 54.594 -15 56 48.79 U F51
2021-03-20 12:19:35 C 12 04 53.430 -15 57 07.12 U F51
2021-03-25 03:33:46 C 12 00 43.96 -17 32 06.2 u 807
2021-03-25 03:37:59 C 12 00 43.75 -17 32 09.0 u 807
2021-03-25 03:42:09 C 12 00 43.52 -17 32 11.8 u 807
2021-03-30 08:44:14 C 11 57 37.32 -18 35 02.8 V I52
2021-03-30 08:53:19 C 11 57 37.12 -18 35 04.6 V I52
2021-03-30 09:02:24 C 11 57 36.79 -18 35 06.8 V I52
2021-04-01 05:07:17 C 11 56 56.85 -18 48 49.0 o 691
2021-04-01 05:23:57 C 11 56 56.37 -18 48 53.4 o 691
2021-04-01 05:41:16 C 11 56 55.94 -18 48 58.3 o 691