2021 RA

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5111037000
Semi-major axis (a)1.8734614000 AU
Inclination (i)4.81604000°
Long. of Asc. Node (Ω)341.90308000°
Arg. of Perihelion (ω)313.06950000°
Mean Anomaly (M)245.19560000°
Mean Motion (n)0.3843589200°/day
Perihelion dist (q)0.91592830 AU
Aphelion dist (Q)2.83099450 AU
Orbital Period2.56428990 yr
Physical Parameters
H (abs. magnitude)24.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.580″
Uncertainty6
Orbit TypeApollo
MOID0.004464 AU
Observations Used203
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-13
Observations (212)
Date Type RA Dec Mag Band Observatory
2021-09-02 21:41:58 C 23 08 42.60 -20 08 43.0 V K63
2021-09-02 21:42:59 C 23 08 43.67 -20 07 56.1 V K63
2021-09-02 21:54:58 C 23 09 00.06 -19 58 56.3 q J69
2021-09-02 21:58:48 C 23 09 04.20 -19 55 57.9 q J69
2021-09-02 22:06:13 C 23 09 12.14 -19 50 13.5 q J69
2021-09-02 22:09:58 C 23 09 16.14 -19 47 19.7 q J69
2021-09-02 22:10:22 C 23 09 12.83 -19 46 45.7 V 203
2021-09-02 22:13:23 C 23 09 15.94 -19 44 26.6 V 203
2021-09-02 22:13:44 C 23 09 20.09 -19 44 25.7 q J69
2021-09-02 22:19:21 C 23 09 22.09 -19 39 51.1 V 203
2021-09-02 22:26:22 C 23 09 29.24 -19 34 28.1 V 203
2021-09-02 23:43:48 C 23 10 42.40 -18 36 50.2 V K62
2021-09-02 23:43:59 C 23 10 42.57 -18 36 42.1 V K62
2021-09-02 23:44:11 C 23 10 42.79 -18 36 32.9 V K62
2021-09-02 23:44:22 C 23 10 42.95 -18 36 25.5 V K62
2021-09-02 23:44:45 C 23 10 43.36 -18 36 07.9 V K62
2021-09-02 23:44:56 C 23 10 43.49 -18 35 58.9 V K62
2021-09-02 23:45:08 C 23 10 43.73 -18 35 51.3 V K62
2021-09-02 23:45:19 C 23 10 43.88 -18 35 43.3 V K62
2021-09-02 23:45:30 C 23 10 44.02 -18 35 35.4 V K62
2021-09-02 23:45:42 C 23 10 44.21 -18 35 26.2 V K62
2021-09-02 23:45:53 C 23 10 44.45 -18 35 18.3 V K62
2021-09-02 23:46:04 C 23 10 44.56 -18 35 09.8 V K62
2021-09-02 23:46:16 C 23 10 44.78 -18 35 02.2 V K62
2021-09-02 23:46:27 C 23 10 45.02 -18 34 53.4 V K62
2021-09-02 23:46:39 C 23 10 45.13 -18 34 45.0 V K62
2021-09-02 23:46:50 C 23 10 45.36 -18 34 35.9 V K62
2021-09-02 23:47:01 C 23 10 45.52 -18 34 27.7 V K62
2021-09-02 23:47:13 C 23 10 45.71 -18 34 20.1 V K62
2021-09-03 00:32:17 C 23 12 10.34 -17 48 48.3 X Y00
2021-09-03 00:33:37 C 23 12 11.55 -17 47 52.1 X Y00
2021-09-03 00:34:59 C 23 12 12.78 -17 46 55.1 X Y00
2021-09-03 02:20:43 C 23 13 56.75 -16 31 41.9 V W88
2021-09-03 02:25:11 C 23 14 00.53 -16 28 45.7 V W88
2021-09-03 02:30:13 C 23 14 04.72 -16 25 29.0 V W88
2021-09-03 04:46:05 C 23 16 00.14 -15 12 05.0 u H21
2021-09-03 04:47:26 C 23 16 01.14 -15 11 14.9 u H21
2021-09-03 04:48:48 C 23 16 02.16 -15 10 24.9 u H21
2021-09-03 04:50:10 C 23 16 03.17 -15 09 35.0 u H21
2021-09-03 05:56:24 C 23 16 39.44 -14 17 11.7 V W88
2021-09-03 06:00:20 C 23 16 42.17 -14 14 52.6 V W88
2021-09-03 06:23:11 C 23 17 21.07 -14 13 28.2 q 858
2021-09-03 06:25:17 C 23 17 22.49 -14 12 15.6 q 858
2021-09-03 06:27:08 C 23 17 23.74 -14 11 11.3 q 858
2021-09-03 07:15:49 C 23 17 59.10 -13 42 59.7 V 703
2021-09-03 07:22:57 C 23 18 03.70 -13 38 58.8 V 703
2021-09-03 07:38:55 C 23 18 13.89 -13 30 02.2 V 703
2021-09-03 11:36:30 C 23 21 16.79 -11 13 59.9 q E94
2021-09-03 11:39:40 C 23 21 18.52 -11 12 28.2 q E94
2021-09-03 11:42:50 C 23 21 20.27 -11 10 55.6 q E94