2021 RU

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5240550633 ± 3.35e-08
Semi-major axis (a)2.0997645873 AU ± 7.53e-09
Inclination (i)0.68428643° ± 2.08e-06
Long. of Asc. Node (Ω)162.21278802° ± 1.23e-04
Arg. of Perihelion (ω)230.98348742° ± 1.25e-04
Mean Anomaly (M)124.36226557° ± 4.92e-06
Mean Motion (n)0.3239338746°/day ± 1.74e-09
Perihelion dist (q)0.99937232 AU ± 7.03e-08
Aphelion dist (Q)3.20015685 AU ± 7.12e-08
Orbital Period3.04267741 yr ± 1.64e-08
Physical Parameters
H (abs. magnitude)25.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.295″
Uncertainty0
Orbit TypeApollo
MOID0.009377 AU
Observations Used46
Oppositions2
Arc Total2021-2024
First Observation Used2021-09-04
Last Observation Used2024-12-04
Observations (54)
Date Type RA Dec Mag Band Observatory
2021-09-04 02:22:43 C 23 37 30.46 -02 29 20.4 W84
2021-09-04 02:35:07 C 23 37 32.51 -02 29 09.0 W84
2021-09-04 02:42:33 C 23 37 33.76 -02 29 02.8 W84
2021-09-04 02:47:30 C 23 37 34.52 -02 28 58.6 W84
2021-09-04 02:59:53 C 23 37 36.56 -02 28 47.8 W84
2021-09-04 03:02:21 C 23 37 37.04 -02 28 45.2 W84
2021-09-04 03:07:19 C 23 37 37.81 -02 28 41.2 W84
2021-09-04 03:09:48 C 23 37 38.09 -02 28 39.6 W84
2021-09-04 03:12:16 C 23 37 38.59 -02 28 37.0 W84
2021-09-04 03:39:29 C 23 37 43.04 -02 28 13.0 W84
2021-09-04 03:44:28 C 23 37 43.81 -02 28 08.7 W84
2021-09-04 03:46:56 C 23 37 44.31 -02 28 06.0 W84
2021-09-04 03:49:25 C 23 37 44.59 -02 28 04.5 W84
2021-09-04 03:51:52 C 23 37 45.05 -02 28 02.2 W84
2021-09-04 03:56:51 C 23 37 45.84 -02 27 57.8 W84
2021-09-04 03:59:19 C 23 37 46.30 -02 27 55.4 W84
2021-09-04 04:01:47 C 23 37 46.59 -02 27 53.6 W84
2021-09-04 04:04:16 C 23 37 47.05 -02 27 51.3 W84
2021-09-04 04:09:13 C 23 37 47.84 -02 27 46.9 W84
2021-09-04 04:11:41 C 23 37 48.31 -02 27 44.3 W84
2021-09-04 04:16:39 C 23 37 49.00 -02 27 40.6 W84
2021-09-04 04:21:37 C 23 37 49.85 -02 27 35.8 W84
2021-09-04 04:24:05 C 23 37 50.30 -02 27 33.5 W84
2021-09-04 04:26:32 C 23 37 50.59 -02 27 31.9 W84
2021-09-04 04:29:02 C 23 37 51.08 -02 27 29.3 W84
2021-09-04 04:33:59 C 23 37 51.84 -02 27 25.1 W84
2021-09-04 04:36:27 C 23 37 52.32 -02 27 22.5 W84
2021-09-04 23:48:09 C 23 41 22.95 -02 11 13.3 V 033
2021-09-04 23:53:22 C 23 41 23.84 -02 11 08.6 V 033
2021-09-04 23:58:37 C 23 41 24.81 -02 11 03.4 V 033
2021-09-05 04:35:10 C 23 42 18.35 -02 05 15.0 u 807
2021-09-05 04:43:08 C 23 42 19.74 -02 05 07.2 u 807
2021-09-05 04:51:07 C 23 42 21.11 -02 04 59.3 u 807
2021-09-09 11:45:33 C 00 05 43.875 -00 09 10.98 U F52
2021-09-09 12:38:48 C 00 05 57.036 -00 07 59.58 U F52
2021-09-10 07:34:26 C 00 11 15.63 +00 18 01.4 V G96
2021-09-10 07:42:36 C 00 11 17.82 +00 18 13.1 V G96
2021-09-10 07:50:46 C 00 11 19.97 +00 18 25.1 V G96
2021-09-10 08:01:33 C 00 11 22.85 +00 18 40.8 V G96
2021-09-18 06:48:16 C 01 29 51.08 +06 38 57.5 V G96
2021-09-18 06:55:48 C 01 29 55.14 +06 39 17.9 V G96
2021-09-18 07:03:19 C 01 29 59.18 +06 39 37.3 V G96
2021-09-18 07:10:50 C 01 30 03.25 +06 39 57.2 V G96
2024-11-22 06:53:14 C 00 49 04.597 -05 51 13.02 X F52
2024-11-22 07:10:59 C 00 49 16.163 -05 49 56.52 X F52
2024-11-22 07:28:44 C 00 49 27.668 -05 48 40.70 X F52
2024-11-22 08:42:02 C 00 50 15.336 -05 43 25.27 V F51
2024-11-22 08:43:12 C 00 50 16.099 -05 43 20.39 V F51
2024-11-28 08:16:23 C 02 20 32.205 +04 02 13.80 X F52
2024-11-28 08:33:20 C 02 20 40.929 +04 03 13.88 X F52