2021 RU1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3171842571 ± 2.29e-04
Semi-major axis (a)1.4879214726 AU ± 5.15e-04
Inclination (i)4.04261245° ± 2.25e-03
Long. of Asc. Node (Ω)174.93530315° ± 8.84e-04
Arg. of Perihelion (ω)188.47294998° ± 2.77e-03
Mean Anomaly (M)104.71974917° ± 4.26e-01
Mean Motion (n)0.5430530526°/day ± 2.82e-04
Perihelion dist (q)1.01597621 AU ± 4.89e-04
Aphelion dist (Q)1.95986674 AU ± 7.59e-04
Orbital Period1.81497237 yr ± 9.42e-04
Physical Parameters
H (abs. magnitude)26.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.333″
Uncertainty3
Orbit TypeApollo
MOID0.011657 AU
Observations Used51
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-06
Last Observation Used2021-09-12
Observations (52)
Date Type RA Dec Mag Band Observatory
2021-09-06 06:57:48 C 22 12 42.57 +24 20 40.2 V G96
2021-09-06 07:07:38 C 22 12 50.41 +24 21 08.2 V G96
2021-09-06 07:15:47 C 22 12 56.92 +24 21 32.0 V G96
2021-09-06 07:23:57 C 22 13 03.47 +24 21 54.7 V G96
2021-09-06 08:11:06 C 22 13 41.53 +24 24 06.4 V G96
2021-09-06 08:17:18 C 22 13 46.56 +24 24 23.0 V G96
2021-09-06 08:23:30 C 22 13 51.60 +24 24 39.9 V G96
2021-09-06 09:19:58 C 22 14 38.10 +24 27 09.3 V G96
2021-09-06 09:20:34 C 22 14 38.59 +24 27 11.2 V G96
2021-09-06 09:21:09 C 22 14 39.31 +24 27 09.6 V G96
2021-09-06 19:12:41 C 22 24 15.27 +24 53 55.0 V 033
2021-09-06 19:13:45 C 22 24 16.24 +24 53 58.3 V 033
2021-09-06 19:14:50 C 22 24 17.23 +24 54 01.7 V 033
2021-09-06 19:33:36 C 22 24 34.24 +24 55 13.9 V 246
2021-09-06 19:35:04 C 22 24 35.70 +24 55 19.0 V 246
2021-09-06 19:36:03 C 22 24 36.57 +24 55 22.6 V 246
2021-09-06 19:59:10 C 22 24 59.39 +24 56 54.6 V 104
2021-09-06 20:18:19 C 22 25 16.76 +24 57 53.7 V K63
2021-09-06 20:22:05 C 22 25 20.03 +24 58 06.3 V 104
2021-09-06 20:29:03 C 22 25 26.46 +24 58 27.8 V K63
2021-09-06 20:38:57 C 22 25 35.34 +24 58 58.1 V K63
2021-09-06 20:40:14 C 22 25 36.45 +24 59 01.6 V 104
2021-09-06 20:51:49 C 22 25 48.64 +24 58 46.7 V J95
2021-09-06 20:58:19 C 22 25 54.56 +24 59 07.3 V J95
2021-09-06 21:07:38 C 22 26 00.08 +25 00 19.8 V L01
2021-09-06 21:08:24 C 22 26 04.84 +25 00 14.6 V I93
2021-09-06 21:09:59 C 22 26 02.21 +25 00 26.9 V L01
2021-09-06 21:13:07 C 22 26 05.03 +25 00 36.8 V L01
2021-09-06 21:14:58 C 22 26 10.72 +25 00 35.3 V I93
2021-09-06 21:21:32 C 22 26 16.68 +25 00 55.0 V I93
2021-09-06 21:26:55 C 22 26 20.78 +25 00 33.6 V J95
2021-09-06 21:28:56 C 22 26 23.80 +25 01 22.9 X 958
2021-09-06 21:36:49 C 22 26 30.91 +25 01 46.8 X 958
2021-09-06 21:43:47 C 22 26 43.97 +25 03 16.2 V J04
2021-09-06 21:44:49 C 22 26 38.13 +25 02 11.0 X 958
2021-09-06 21:52:05 C 22 26 51.46 +25 03 42.8 V J04
2021-09-07 19:07:59 C 22 49 01.20 +25 57 59.5 V 033
2021-09-07 19:08:44 C 22 49 01.97 +25 58 01.7 V 033
2021-09-07 19:09:28 C 22 49 02.77 +25 58 03.7 V 033
2021-09-07 19:10:18 C 22 49 03.65 +25 58 06.1 V 033
2021-09-08 22:25:51 C 23 21 28.37 +26 56 16.4 V A17
2021-09-08 22:43:41 C 23 21 49.77 +26 56 47.4 V A17
2021-09-08 23:00:17 C 23 22 09.66 +26 57 15.9 V A17
2021-09-10 22:05:53 C 00 27 45.85 +27 19 50.7 V 033
2021-09-10 22:06:28 C 00 27 46.65 +27 19 50.3 V 033
2021-09-10 22:07:02 C 00 27 47.45 +27 19 50.2 V 033
2021-09-11 09:27:36 C 00 44 36.831 +27 09 54.51 U F52
2021-09-11 09:44:11 C 00 44 59.550 +27 09 36.04 U F52
2021-09-11 10:00:51 C 00 45 22.378 +27 09 16.38 U F52
2021-09-12 20:36:38 C 01 35 50.01 +25 36 10.7 V 033