IAA RAS IAA Minor Planet Database

2021 RU3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6668998321 ± 7.13e-05
Semi-major axis (a)2.6238640571 AU ± 5.29e-04
Inclination (i)3.36708123° ± 2.53e-04
Long. of Asc. Node (Ω)333.36188541° ± 3.29e-04
Arg. of Perihelion (ω)313.34214890° ± 7.89e-04
Mean Anomaly (M)6.22110426° ± 1.11e-01
Mean Motion (n)0.2318997501°/day ± 7.02e-05
Perihelion dist (q)0.87400956 AU ± 2.57e-04
Aphelion dist (Q)4.37371856 AU ± 9.02e-04
Orbital Period4.25022573 yr ± 1.29e-03
Physical Parameters
H (abs. magnitude)24.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.311″
Uncertainty3
Orbit TypeApollo
MOID0.002110 AU
Observations Used46
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-07
Last Observation Used2021-09-15
Observations (48)
Date Type RA Dec Mag Band Observatory
2021-09-07 04:33:36 C 21 54 03.20 -01 44 23.2 – V 703
2021-09-07 04:41:54 C 21 54 08.09 -01 43 59.1 – V 703
2021-09-07 04:50:12 C 21 54 12.98 -01 43 34.5 – V 703
2021-09-08 08:39:27 C 22 09 18.820 -00 31 15.83 – U F51
2021-09-08 08:56:06 C 22 09 26.175 -00 30 38.35 – U F51
2021-09-08 09:12:42 C 22 09 33.479 -00 30 01.08 – U F51
2021-09-08 09:35:17 C 22 09 43.354 -00 29 10.62 – U F51
2021-09-08 13:05:02 C 22 11 14.607 -00 21 30.51 – V F51
2021-09-08 13:06:01 C 22 11 15.042 -00 21 28.39 – V F51
2021-09-08 19:54:38 C 22 14 24.48 -00 08 04.2 – V 033
2021-09-08 19:55:28 C 22 14 24.82 -00 08 02.2 – V 033
2021-09-08 19:56:17 C 22 14 25.16 -00 08 00.8 – V 033
2021-09-08 19:56:23 C 22 14 25.48 -00 07 58.6 – V A17
2021-09-08 20:15:01 C 22 14 33.12 -00 07 21.1 – V A17
2021-09-08 20:33:43 C 22 14 40.74 -00 06 43.2 – V A17
2021-09-08 20:44:55 C 22 14 44.91 -00 06 21.4 – V K61
2021-09-08 20:46:05 C 22 14 45.83 -00 06 10.8 – V 104
2021-09-08 20:46:15 C 22 14 45.50 -00 06 17.1 – V 246
2021-09-08 20:47:07 C 22 14 45.76 -00 06 17.1 – V K61
2021-09-08 20:47:10 C 22 14 45.87 -00 06 15.2 – V 246
2021-09-08 20:47:33 C 22 14 46.02 -00 06 15.3 – V K61
2021-09-08 20:54:35 C 22 14 49.23 -00 05 53.1 – V 104
2021-09-08 21:11:35 C 22 14 56.05 -00 05 19.2 – V 104
2021-09-08 21:23:27 C 22 15 00.41 -00 05 02.0 – V 246
2021-09-08 21:23:51 C 22 15 00.57 -00 05 01.5 – V 246
2021-09-08 21:24:40 C 22 15 00.87 -00 04 59.9 – V 246
2021-09-08 21:28:52 C 22 15 02.65 -00 04 46.5 – V L01
2021-09-08 21:30:47 C 22 15 03.42 -00 04 43.1 – V L01
2021-09-08 21:31:46 C 22 15 03.72 -00 04 46.2 – V 246
2021-09-08 21:32:11 C 22 15 03.85 -00 04 44.2 – V 246
2021-09-08 21:32:42 C 22 15 04.18 -00 04 38.8 – V L01
2021-09-08 21:33:24 C 22 15 04.33 -00 04 42.5 – V 246
2021-09-08 21:35:15 C 22 15 05.23 -00 04 33.9 – V L01
2021-09-08 21:38:41 C 22 15 07.99 -00 04 24.4 – X 958
2021-09-08 21:43:23 C 22 15 09.89 -00 04 14.7 – X 958
2021-09-08 21:48:17 C 22 15 11.82 -00 04 05.8 – X 958
2021-09-09 08:08:28 C 22 19 22.210 +00 16 10.58 – U F51
2021-09-09 08:25:09 C 22 19 28.159 +00 16 40.84 – U F51
2021-09-09 08:58:27 C 22 19 39.959 +00 17 40.98 – U F51
2021-09-10 05:44:27 C 22 26 58.30 +00 51 31.6 – V G96
2021-09-10 05:52:36 C 22 27 00.78 +00 51 44.1 – V G96
2021-09-10 06:00:46 C 22 27 03.14 +00 51 55.9 – V G96
2021-09-11 22:18:20 C 22 38 15.31 +01 43 08.7 – V 033
2021-09-11 22:19:54 C 22 38 15.67 +01 43 10.4 – V 033
2021-09-11 22:21:29 C 22 38 16.03 +01 43 12.1 – V 033
2021-09-15 05:51:01 C 22 53 16.57 +02 49 28.8 – o 291
2021-09-15 06:01:48 C 22 53 18.02 +02 49 36.3 – o 291
2021-09-15 06:12:35 C 22 53 19.39 +02 49 42.5 – o 291