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
2021-09-15 03:31:07 C 18 31 01.19 +34 02 48.3 V G96
2021-09-15 03:40:13 C 18 31 10.50 +34 01 33.4 V G96
2021-09-15 03:49:18 C 18 31 19.77 +34 00 19.2 V G96
2021-09-15 03:58:22 C 18 31 29.05 +33 59 04.5 V G96
2021-09-15 07:15:31 C 18 34 52.83 +33 31 25.8 V G96
2021-09-15 07:15:47 C 18 34 53.01 +33 31 24.3 V G96
2021-09-15 07:16:02 C 18 34 53.28 +33 31 22.9 V G96
2021-09-15 07:16:18 C 18 34 53.59 +33 31 20.1 V G96
2021-09-15 07:16:42 C 18 34 53.88 +33 31 17.1 V G96
2021-09-15 07:17:12 C 18 34 54.57 +33 31 12.0 V G96
2021-09-15 07:17:43 C 18 34 55.06 +33 31 08.0 V G96
2021-09-15 07:18:13 C 18 34 55.57 +33 31 03.2 V G96
2021-09-15 19:14:02 C 18 47 47.11 +31 45 15.4 V 595
2021-09-15 19:25:24 C 18 47 59.19 +31 43 27.8 V 595
2021-09-15 19:34:22 C 18 48 08.66 +31 42 03.5 V 595
2021-09-15 21:27:29 C 18 50 10.30 +31 24 17.2 X Z41
2021-09-15 21:40:39 C 18 50 24.32 +31 22 10.0 X Z41
2021-09-15 21:43:00 C 18 50 26.86 +31 21 46.6 X Z41
2021-09-15 22:09:23 C 18 50 55.05 +31 17 31.0 X Z41
2021-09-15 22:16:20 C 18 51 02.41 +31 16 23.2 X Z41
2021-09-15 22:16:53 C 18 51 03.05 +31 16 17.8 X Z41
2021-09-15 22:23:50 C 18 51 10.45 +31 15 10.1 X Z41
2021-09-16 01:19:41 C 18 54 26.74 +30 46 47.6 u H21
2021-09-16 01:22:28 C 18 54 29.73 +30 46 19.9 u H21
2021-09-16 01:26:05 C 18 54 33.59 +30 45 44.2 u H21
2021-09-16 01:33:35 C 18 54 41.58 +30 44 30.0 u H21
2021-09-16 02:45:38 C 18 56 00.69 +30 32 41.2 q 858
2021-09-16 03:00:14 C 18 56 16.31 +30 30 14.3 q 858
2021-09-16 03:11:54 C 18 56 28.74 +30 28 17.1 q 858
2021-09-16 19:27:42 C 19 14 34.35 +27 33 42.4 X 958
2021-09-16 19:38:00 C 19 14 45.64 +27 31 44.7 X 958
2021-09-16 19:48:19 C 19 14 56.94 +27 29 47.2 X 958
2021-09-16 20:34:03 C 19 15 47.25 +27 20 48.0 V J95
2021-09-16 20:37:20 C 19 15 50.88 +27 20 10.8 V J95
2021-09-16 20:40:41 C 19 15 54.56 +27 19 31.7 V J95
2021-09-16 20:44:01 C 19 15 58.24 +27 18 53.6 V J95
2021-09-16 21:47:36 C 19 17 08.25 +27 06 35.1 V Z80
2021-09-16 21:56:40 C 19 17 18.26 +27 04 49.4 V Z80
2021-09-16 22:05:40 C 19 17 28.17 +27 03 04.9 V Z80
2021-09-17 02:49:03 C 19 22 50.38 +26 08 04.1 V G96
2021-09-17 02:49:39 C 19 22 51.03 +26 07 56.9 V G96
2021-09-17 02:49:56 C 19 22 51.33 +26 07 53.5 V G96
2021-09-20 20:56:04 C 21 00 20.01 +04 52 00.8 V Z80
2021-09-20 21:05:58 C 21 00 29.45 +04 49 37.4 V Z80
2021-09-21 20:31:38 C 21 22 30.58 -00 38 20.5 V J95
2021-09-21 20:34:51 C 21 22 33.39 -00 39 04.4 V J95
2021-09-21 20:38:06 C 21 22 36.27 -00 39 47.9 V J95
2021-09-21 21:47:26 C 21 23 36.05 -00 55 07.0 V 203
2021-09-21 21:55:11 C 21 23 43.70 -00 56 57.5 V Z80
2021-09-21 21:59:29 C 21 23 46.54 -00 57 48.0 V 203