2021 DO1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2396045882 ± 2.17e-04
Semi-major axis (a)0.8510867017 AU ± 1.09e-04
Inclination (i)10.92357271° ± 1.43e-02
Long. of Asc. Node (Ω)337.14382580° ± 1.94e-03
Arg. of Perihelion (ω)0.81958506° ± 1.44e-03
Mean Anomaly (M)187.26209984° ± 3.79e-01
Mean Motion (n)1.2553116782°/day ± 2.40e-04
Perihelion dist (q)0.64716242 AU ± 2.02e-04
Aphelion dist (Q)1.05501098 AU ± 2.29e-04
Orbital Period0.78516459 yr ± 1.50e-04
Physical Parameters
H (abs. magnitude)25.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.311″
Uncertainty3
Orbit TypeAten
MOID0.064737 AU
Observations Used34
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-18
Last Observation Used2021-03-06
Observations (35)
Date Type RA Dec Mag Band Observatory
2021-02-18 09:18:05 C 11 22 40.93 +26 37 17.7 V G96
2021-02-18 09:25:28 C 11 22 36.39 +26 37 02.4 V G96
2021-02-18 09:32:51 C 11 22 31.79 +26 36 46.9 V G96
2021-02-18 09:40:14 C 11 22 27.15 +26 36 31.4 V G96
2021-02-18 11:43:00 C 11 21 11.29 +26 32 07.3 V I52
2021-02-18 11:44:48 C 11 21 10.22 +26 32 03.0 V I52
2021-02-18 11:48:26 C 11 21 07.92 +26 31 55.9 V I52
2021-02-19 05:45:47 C 11 10 40.23 +25 52 38.0 q 858
2021-02-19 05:54:47 C 11 10 34.61 +25 52 18.2 q 858
2021-02-19 06:03:49 C 11 10 28.97 +25 51 58.6 q 858
2021-02-19 06:25:01 C 11 10 16.40 +25 51 15.9 V I52
2021-02-19 06:26:26 C 11 10 15.51 +25 51 12.5 V I52
2021-02-19 06:27:51 C 11 10 14.63 +25 51 08.6 V I52
2021-02-19 06:29:15 C 11 10 13.65 +25 51 07.2 V I52
2021-02-21 05:44:33 C 10 41 45.57 +23 47 33.6 V I52
2021-02-21 05:45:58 C 10 41 44.71 +23 47 30.6 V I52
2021-02-21 05:47:23 C 10 41 43.79 +23 47 26.1 V I52
2021-02-21 05:48:48 C 10 41 42.96 +23 47 21.7 V I52
2021-02-22 05:51:38 C 10 27 13.50 +22 34 24.3 V I52
2021-02-22 05:53:03 C 10 27 12.66 +22 34 19.7 V I52
2021-02-22 05:54:27 C 10 27 11.78 +22 34 15.4 V I52
2021-02-22 05:55:52 C 10 27 10.87 +22 34 11.0 V I52
2021-02-24 03:15:22 C 10 00 35.85 +20 01 38.1 V I52
2021-02-24 03:21:03 C 10 00 32.54 +20 01 18.0 V I52
2021-02-24 03:23:53 C 10 00 30.85 +20 01 07.9 V I52
2021-03-02 03:30:08 C 08 48 24.68 +11 15 52.3 V I52
2021-03-02 03:33:45 C 08 48 23.04 +11 15 40.0 V I52
2021-03-02 03:37:23 C 08 48 21.47 +11 15 27.4 V I52
2021-03-02 03:41:00 C 08 48 19.86 +11 15 14.8 V I52
2021-03-03 06:51:02 C 08 37 21.71 +09 42 33.2 V I52
2021-03-03 06:54:40 C 08 37 20.21 +09 42 21.3 V I52
2021-03-03 06:58:17 C 08 37 18.74 +09 42 09.2 V I52
2021-03-06 23:34:03 C 08 07 37.33 +05 12 20.2 V 033
2021-03-06 23:37:01 C 08 07 36.46 +05 12 11.8 V 033
2021-03-06 23:40:01 C 08 07 35.56 +05 12 03.4 V 033