2021 RD20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5899991000
Semi-major axis (a)2.2438060000 AU
Inclination (i)25.11982000°
Long. of Asc. Node (Ω)178.51085000°
Arg. of Perihelion (ω)126.13882000°
Mean Anomaly (M)98.26896000°
Mean Motion (n)0.2932419600°/day
Perihelion dist (q)0.91996250 AU
Aphelion dist (Q)3.56764950 AU
Orbital Period3.36107310 yr
Physical Parameters
H (abs. magnitude)22.04
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.840″
Uncertainty7
Orbit TypeApollo
MOID0.060313 AU
Observations Used99
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-02
Observations (100)
Date Type RA Dec Mag Band Observatory
2021-09-21 22:01:51 C 21 23 49.53 -00 58 26.1 V Z80
2021-09-21 22:08:31 C 21 23 55.33 -00 59 55.6 V Z80
2021-09-21 22:11:32 C 21 23 57.05 -01 00 28.2 V 203
2021-09-22 21:34:47 C 21 43 52.44 -05 54 55.7 V Z80
2021-09-22 21:41:27 C 21 43 57.77 -05 56 14.7 V Z80
2021-09-22 21:48:07 C 21 44 02.97 -05 57 33.3 V Z80
2021-09-23 10:26:45 C 21 53 55.29 -08 20 42.9 V T08
2021-09-23 10:30:46 C 21 53 58.14 -08 21 27.0 V T08
2021-09-23 10:40:44 C 21 54 05.59 -08 23 17.0 V T08
2021-09-23 10:58:00 C 21 54 18.29 -08 26 23.9 V T08
2021-09-23 19:13:11 C 22 00 35.16 -09 54 41.1 Z K19
2021-09-23 19:27:43 C 22 00 45.51 -09 57 10.4 Z K19
2021-09-23 23:40:42 C 22 03 44.55 -10 40 16.1 V J95
2021-09-23 23:49:52 C 22 03 51.02 -10 41 47.7 V J95
2021-09-24 01:06:42 C 22 04 50.00 -10 52 39.3 u 807
2021-09-24 01:08:50 C 22 04 51.47 -10 53 00.7 u 807
2021-09-24 01:11:13 C 22 04 53.12 -10 53 24.1 u 807
2021-09-24 08:28:16 C 22 09 56.82 -12 05 30.1 V T05
2021-09-24 08:32:52 C 22 09 59.90 -12 06 13.4 V T05
2021-09-24 08:42:07 C 22 10 05.96 -12 07 40.7 V T05
2021-09-24 08:59:17 C 22 10 17.33 -12 10 22.8 V T05
2021-09-24 18:47:18 C 22 16 54.82 -13 40 11.4 V K74
2021-09-24 18:50:53 C 22 16 57.12 -13 40 43.5 V K74
2021-09-24 18:55:15 C 22 16 59.93 -13 41 22.1 V K74
2021-09-24 22:40:09 C 22 19 21.77 -14 13 52.1 V K83
2021-09-24 22:46:56 C 22 19 25.93 -14 14 49.4 V K83
2021-09-24 22:53:44 C 22 19 30.21 -14 15 48.4 V K83
2021-09-25 01:37:21 C 22 21 17.88 -14 37 14.1 u 807
2021-09-25 01:41:54 C 22 21 20.65 -14 37 51.9 u 807
2021-09-25 01:46:22 C 22 21 23.38 -14 38 29.3 u 807
2021-09-25 18:52:46 C 22 31 46.93 -16 54 52.4 V 246
2021-09-25 18:52:57 C 22 31 47.12 -16 54 54.2 V 246
2021-09-25 18:53:07 C 22 31 47.17 -16 54 55.6 V 246
2021-09-26 09:00:55 C 22 39 40.70 -18 33 41.2 V T08
2021-09-26 09:06:14 C 22 39 43.64 -18 34 16.8 V T08
2021-09-26 09:14:52 C 22 39 47.91 -18 35 13.7 V T08
2021-09-26 09:34:47 C 22 39 58.27 -18 37 26.9 V T08
2021-09-28 01:59:50 C 22 59 51.06 -22 27 41.1 u 807
2021-09-28 02:04:30 C 22 59 53.05 -22 28 03.2 u 807
2021-09-28 02:09:10 C 22 59 55.06 -22 28 26.3 u 807
2021-09-28 09:13:16 C 23 02 58.50 -23 03 08.3 V T05
2021-09-28 09:17:52 C 23 03 00.34 -23 03 29.9 V T05
2021-09-28 09:26:28 C 23 03 03.90 -23 04 08.9 V T05
2021-09-28 09:41:37 C 23 03 10.13 -23 05 18.8 V T05
2021-09-30 09:22:34 C 23 21 26.85 -26 11 38.9 V T08
2021-09-30 09:27:12 C 23 21 28.45 -26 11 53.8 V T08
2021-09-30 09:35:51 C 23 21 31.21 -26 12 21.1 V T08
2021-09-30 10:26:11 C 23 21 47.47 -26 15 05.6 V T08
2021-10-02 08:51:34 C 23 36 06.480 -28 23 40.71 U F51
2021-10-02 09:33:22 C 23 36 17.288 -28 25 21.37 U F51