IAA RAS IAA Minor Planet Database

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 01:09:32 C 22 21 23.79 -43 52 02.7 – q Y00
2021-09-02 01:13:11 C 22 21 38.09 -43 46 17.8 – q Y00
2021-09-02 01:17:22 C 22 21 54.45 -43 39 46.0 – q Y00
2021-09-02 03:14:16 C 22 28 54.81 -40 39 53.9 – X Y00
2021-09-02 03:15:08 C 22 28 57.69 -40 38 35.4 – X Y00
2021-09-02 03:15:32 C 22 28 59.00 -40 37 59.3 – X Y00
2021-09-02 03:15:57 C 22 29 00.33 -40 37 22.0 – X Y00
2021-09-02 03:16:47 C 22 29 03.13 -40 36 06.1 – X Y00
2021-09-02 03:17:16 C 22 29 04.74 -40 35 22.1 – X Y00
2021-09-02 03:17:50 C 22 29 06.62 -40 34 31.1 – X Y00
2021-09-02 03:18:23 C 22 29 08.44 -40 33 41.3 – X Y00
2021-09-02 03:20:55 C 22 29 16.81 -40 29 50.6 – X Y00
2021-09-02 03:22:20 C 22 29 21.49 -40 27 42.3 – X Y00
2021-09-02 03:23:45 C 22 29 26.18 -40 25 34.5 – X Y00
2021-09-02 03:51:06 C 22 30 54.57 -39 44 35.9 – X Y00
2021-09-02 03:52:28 C 22 30 58.91 -39 42 32.7 – X Y00
2021-09-02 03:53:53 C 22 31 03.46 -39 40 25.4 – X Y00
2021-09-02 03:54:50 C 22 31 06.44 -39 39 02.1 – X Y00
2021-09-02 03:56:51 C 22 31 12.78 -39 36 02.4 – X Y00
2021-09-02 03:59:41 C 22 31 21.67 -39 31 49.4 – X Y00
2021-09-02 08:54:06 V 22 46 57.37 -32 41 19.2 – V 247
2021-09-02 08:54:06 v 1 172.5876 -43.4953 – – 247
2021-09-02 08:57:18 V 22 47 04.72 -32 37 22.8 – V 247
2021-09-02 08:57:18 v 1 172.5876 -43.4953 – – 247
2021-09-02 09:09:24 V 22 47 32.19 -32 22 33.2 – V 247
2021-09-02 09:09:24 v 1 172.5876 -43.4953 – – 247
2021-09-02 09:13:21 V 22 47 41.07 -32 17 43.1 – V 247
2021-09-02 09:13:21 v 1 172.5876 -43.4953 – – 247
2021-09-02 09:18:24 V 22 47 52.27 -32 11 35.7 – V 247
2021-09-02 09:18:24 v 1 172.5876 -43.4953 – – 247
2021-09-02 12:26:11 C 22 54 24.08 -28 35 41.9 – q E23
2021-09-02 12:30:22 C 22 54 31.32 -28 31 08.0 – q E23
2021-09-02 12:34:31 C 22 54 38.50 -28 26 35.2 – q E23
2021-09-02 19:43:01 C 23 06 32.76 -21 32 17.4 – V L29
2021-09-02 19:43:50 C 23 06 33.56 -21 31 43.0 – V L29
2021-09-02 19:44:29 C 23 06 34.35 -21 31 10.3 – V L29
2021-09-02 19:44:53 C 23 06 34.80 -21 30 50.3 – V L29
2021-09-02 20:11:45 C 23 07 06.92 -21 08 39.3 – V L81
2021-09-02 20:19:36 C 23 07 15.76 -21 02 14.8 – V L81
2021-09-02 20:27:21 C 23 07 24.40 -20 55 56.6 – V L81
2021-09-02 20:31:35 C 23 07 22.28 -21 05 17.0 – X 595
2021-09-02 20:34:39 C 23 07 25.84 -21 02 46.6 – X 595
2021-09-02 20:37:44 C 23 07 29.37 -21 00 16.9 – X 595
2021-09-02 20:40:49 C 23 07 32.87 -20 57 46.7 – X 595
2021-09-02 21:21:44 C 23 08 18.52 -20 24 54.2 – V L01
2021-09-02 21:22:58 C 23 08 19.87 -20 23 55.7 – V L01
2021-09-02 21:23:36 C 23 08 20.54 -20 23 25.9 – V L01
2021-09-02 21:24:12 C 23 08 21.21 -20 22 57.2 – V L01
2021-09-02 21:24:56 C 23 08 22.00 -20 22 22.1 – V L01
2021-09-02 21:39:31 C 23 08 40.06 -20 10 40.3 – V K63