2021 RU12

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6358734202 ± 4.19e-06
Semi-major axis (a)2.3899704979 AU ± 2.55e-05
Inclination (i)10.91687510° ± 6.43e-05
Long. of Asc. Node (Ω)205.14558031° ± 4.87e-05
Arg. of Perihelion (ω)232.53864852° ± 6.11e-05
Mean Anomaly (M)26.40647036° ± 6.26e-03
Mean Motion (n)0.2667616937°/day ± 4.27e-06
Perihelion dist (q)0.87025178 AU ± 1.37e-05
Aphelion dist (Q)3.90968921 AU ± 4.29e-05
Orbital Period3.69478192 yr ± 5.92e-05
Physical Parameters
H (abs. magnitude)21.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.250″
Uncertainty1
Orbit TypeApollo
MOID0.014036 AU
Observations Used83
Oppositions1
Arc Total2021-2022
First Observation Used2021-08-14
Last Observation Used2022-03-02
Observations (85)
Date Type RA Dec Mag Band Observatory
2021-10-10 04:41:58 C 22 01 06.80 +05 30 12.3 o 691
2021-10-10 18:58:34 C 21 59 36.15 +04 58 01.2 V A17
2021-10-10 19:15:36 C 21 59 34.20 +04 57 22.4 V A17
2021-10-10 19:32:37 C 21 59 32.22 +04 56 43.4 V A17
2021-10-13 01:06:37 C 21 53 35.63 +02 45 54.6 u H21
2021-10-13 01:11:34 C 21 53 35.01 +02 45 41.5 u H21
2021-10-13 01:15:36 C 21 53 34.51 +02 45 30.9 u H21
2021-10-13 01:19:38 C 21 53 34.01 +02 45 20.1 u H21
2021-10-13 01:23:33 C 21 53 33.51 +02 45 10.1 u H21
2021-10-21 17:51:06 C 21 25 07.80 -09 16 35.8 Z C95
2021-10-21 18:28:05 C 21 25 01.10 -09 19 21.8 Z C95
2021-10-22 19:19:24 C 21 20 41.07 -11 15 12.4 V 204
2021-10-22 19:41:38 C 21 20 36.75 -11 16 59.2 V 204
2021-10-22 20:03:52 C 21 20 32.46 -11 18 46.3 V 204
2021-10-23 11:36:49 C 21 17 40.68 -12 35 14.1 r P93
2021-10-23 11:44:16 C 21 17 39.18 -12 35 51.4 r P93
2021-10-23 11:47:15 C 21 17 38.60 -12 36 06.7 r P93
2021-10-23 18:11:27 C 21 16 27.15 -13 08 44.7 V 595
2021-10-23 18:52:08 C 21 16 18.73 -13 12 12.3 V 595
2021-10-25 02:26:03 C 21 09 57.21 -16 00 39.0 o 691
2021-10-25 02:34:33 C 21 09 55.26 -16 01 26.4 o 691
2021-10-25 02:44:35 C 21 09 52.92 -16 02 22.0 o 691
2021-11-08 08:48:23 C 18 22 13.67 -56 01 56.7 V 474
2021-11-08 08:55:38 C 18 22 06.37 -56 02 35.4 V 474
2021-11-08 08:59:12 C 18 22 02.81 -56 02 54.2 V 474
2021-11-08 09:06:23 C 18 21 55.62 -56 03 31.8 V 474
2021-11-08 09:13:32 C 18 21 48.45 -56 04 09.3 V 474
2022-01-07 12:27:39 C 12 47 47.31 -34 33 50.6 o 291
2022-01-07 12:52:35 C 12 47 47.70 -34 33 39.9 o 291
2022-01-29 06:11:08 C 12 49 46.22 -30 40 39.9 V 807
2022-01-29 06:21:46 C 12 49 45.95 -30 40 34.4 V 807
2022-01-29 06:32:24 C 12 49 45.71 -30 40 28.9 V 807
2022-03-02 08:11:55 C 12 11 03.27 -19 30 47.3 o 291
2022-03-02 08:30:20 C 12 11 01.92 -19 30 25.5 o 291
2022-03-02 08:48:44 C 12 11 00.63 -19 30 04.1 o 291