2021 DO

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3997894561 ± 1.12e+00
Semi-major axis (a)1.6528201828 AU ± 3.11e+00
Inclination (i)10.88182411° ± 2.20e+01
Long. of Asc. Node (Ω)329.93466904° ± 6.40e+00
Arg. of Perihelion (ω)199.74194949° ± 6.59e+00
Mean Anomaly (M)78.68749144° ± 2.27e+03
Mean Motion (n)0.4634892700°/day ± 1.31e+00
Perihelion dist (q)0.99031080 AU ± 2.64e+00
Aphelion dist (Q)2.31698420 AU ± 4.74e+00
Orbital Period2.12649520 yr ± 6.01e+00
Physical Parameters
H (abs. magnitude)26.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual1.589″
Uncertainty3
Orbit TypeApollo
MOID0.017891 AU
Observations Used50
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-02-21
Observations (52)
Date Type RA Dec Mag Band Observatory
2021-02-17 07:25:45 C 10 06 31.99 +26 29 38.3 V 703
2021-02-17 07:34:00 C 10 06 34.59 +26 26 18.0 V 703
2021-02-18 06:31:03 C 10 17 01.37 +15 44 57.8 V 703
2021-02-18 06:39:16 C 10 17 04.33 +15 40 36.7 V 703
2021-02-18 06:47:28 C 10 17 07.35 +15 36 15.3 V 703
2021-02-18 06:55:42 C 10 17 10.29 +15 31 53.7 V 703
2021-02-18 08:25:20 C 10 17 43.05 +14 43 45.1 V I52
2021-02-18 08:25:54 C 10 17 43.26 +14 43 26.4 V I52
2021-02-18 10:35:48 C 10 18 32.73 +13 31 53.8 V I52
2021-02-18 10:36:22 C 10 18 32.94 +13 31 34.9 V I52
2021-02-18 10:36:55 C 10 18 33.17 +13 31 16.1 V I52
2021-02-18 10:37:29 C 10 18 33.40 +13 30 57.3 V I52
2021-02-18 19:30:48 C 10 23 35.25 +08 20 14.6 V L18
2021-02-18 19:32:08 C 10 23 35.84 +08 19 26.0 V L18
2021-02-18 19:33:28 C 10 23 36.45 +08 18 39.2 V L18
2021-02-18 19:34:48 C 10 23 37.06 +08 17 50.5 V L18
2021-02-18 19:36:08 C 10 23 37.68 +08 17 03.0 V L18
2021-02-18 21:15:00 C 10 24 28.53 +07 16 38.2 V Z80
2021-02-18 21:23:20 C 10 24 32.40 +07 11 34.2 V Z80
2021-02-18 21:27:36 C 10 24 03.42 +07 09 49.6 V N88
2021-02-18 21:27:59 C 10 24 03.60 +07 09 34.7 V N88
2021-02-18 21:28:26 C 10 24 03.82 +07 09 19.8 V N88
2021-02-18 21:28:52 C 10 24 03.94 +07 09 03.4 V N88
2021-02-18 21:29:15 C 10 24 04.20 +07 08 47.7 V N88
2021-02-18 21:31:55 C 10 24 36.36 +07 06 18.4 V Z80
2021-02-18 22:32:28 C 10 25 03.94 +06 29 05.2 V J95
2021-02-18 22:34:58 C 10 25 05.04 +06 27 33.1 V J95
2021-02-18 22:35:07 C 10 25 04.22 +06 27 15.6 V Z99
2021-02-18 22:37:10 C 10 25 06.05 +06 26 11.5 V J95
2021-02-18 22:38:51 C 10 25 05.90 +06 24 56.9 V Z99
2021-02-18 22:39:25 C 10 25 07.05 +06 24 48.0 V J95
2021-02-18 22:41:35 C 10 25 07.11 +06 23 15.6 V Z99
2021-02-18 23:27:18 C 10 25 21.63 +06 05 01.3 V 221
2021-02-18 23:39:25 C 10 25 26.35 +05 57 29.8 V 221
2021-02-18 23:51:35 C 10 25 31.17 +05 49 52.3 V 221
2021-02-19 00:03:36 C 10 25 35.92 +05 42 21.3 V 221
2021-02-19 00:16:43 C 10 25 41.12 +05 34 07.8 V 221
2021-02-19 00:28:42 C 10 25 45.98 +05 26 33.8 V 221
2021-02-19 12:59:03 C 10 32 46.63 -02 42 17.6 V 474
2021-02-19 12:59:50 C 10 32 46.99 -02 42 49.4 V 474
2021-02-19 13:00:37 C 10 32 47.35 -02 43 21.0 V 474
2021-02-20 06:48:14 C 10 43 32.86 -15 15 04.4 V I52
2021-02-20 06:48:56 C 10 43 33.19 -15 15 33.7 V I52
2021-02-20 06:49:37 C 10 43 33.56 -15 16 02.5 V I52
2021-02-20 06:50:18 C 10 43 33.88 -15 16 31.2 V I52
2021-02-20 13:20:18 C 10 47 33.22 -19 36 55.7 V 474
2021-02-20 13:20:55 C 10 47 33.57 -19 37 20.5 V 474
2021-02-20 13:21:31 C 10 47 33.87 -19 37 46.0 V 474
2021-02-20 13:22:08 C 10 47 34.20 -19 38 11.2 V 474
2021-02-21 08:36:47 C 11 00 44.16 -32 25 28.8 V I52