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
2021-08-14 13:59:38 C 23 13 20.692 +15 43 20.13 V F51
2021-09-03 13:05:55 C 23 03 35.668 +17 13 36.77 V F51
2021-09-05 07:59:31 C 23 01 56.416 +17 13 03.46 U F52
2021-09-05 08:33:00 C 23 01 54.892 +17 13 03.03 U F52
2021-09-05 08:49:46 C 23 01 54.114 +17 13 02.72 U F52
2021-09-07 06:29:27 C 22 59 57.06 +17 10 08.5 V G96
2021-09-07 06:37:34 C 22 59 56.62 +17 10 07.7 V G96
2021-09-07 06:45:44 C 22 59 56.19 +17 10 07.3 V G96
2021-09-13 07:14:43 C 22 52 43.265 +16 43 46.57 U F51
2021-09-13 07:33:24 C 22 52 42.136 +16 43 41.46 U F51
2021-09-13 07:52:03 C 22 52 40.998 +16 43 36.44 U F51
2021-09-13 08:10:42 C 22 52 39.859 +16 43 31.40 U F51
2021-09-16 04:56:15 C 22 48 39.50 +16 20 01.7 V G96
2021-09-16 05:04:25 C 22 48 39.00 +16 19 59.5 V G96
2021-09-16 05:12:38 C 22 48 38.34 +16 19 56.6 V G96
2021-09-16 05:20:48 C 22 48 37.85 +16 19 52.9 V G96
2021-09-27 05:34:59 C 22 29 56.860 +13 24 06.60 U F52
2021-09-27 05:51:25 C 22 29 55.436 +13 23 50.75 U F52
2021-09-27 06:07:50 C 22 29 53.994 +13 23 34.99 U F52
2021-09-27 06:24:19 C 22 29 52.546 +13 23 19.15 U F52
2021-10-01 05:42:14 C 22 21 51.605 +11 36 08.46 U F52
2021-10-01 05:59:38 C 22 21 49.937 +11 35 46.50 U F52
2021-10-01 06:16:55 C 22 21 48.285 +11 35 24.72 U F52
2021-10-02 05:35:06 C 22 19 43.04 +11 04 36.1 o 691
2021-10-02 05:56:34 C 22 19 40.94 +11 04 06.9 o 691
2021-10-02 06:18:03 C 22 19 38.84 +11 03 38.2 o 691
2021-10-03 04:57:56 C 22 17 36.50 +10 31 51.1 o 691
2021-10-03 05:20:17 C 22 17 34.29 +10 31 19.2 o 691
2021-10-03 05:40:08 C 22 17 32.28 +10 30 50.1 o 691
2021-10-03 08:10:31 C 22 17 18.775 +10 27 18.50 U F51
2021-10-03 08:24:38 C 22 17 17.334 +10 26 57.92 U F51
2021-10-03 08:38:52 C 22 17 15.891 +10 26 37.12 U F51
2021-10-03 08:52:57 C 22 17 14.462 +10 26 16.50 U F51
2021-10-06 05:37:30 C 22 10 47.184 +08 36 41.34 U F51
2021-10-06 05:57:29 C 22 10 45.047 +08 36 06.70 U F51
2021-10-06 06:37:29 C 22 10 40.750 +08 34 57.52 U F51
2021-10-07 05:17:04 C 22 08 26.13 +07 54 15.0 o 691
2021-10-07 05:38:58 C 22 08 23.75 +07 53 34.4 o 691
2021-10-07 06:00:52 C 22 08 21.37 +07 52 53.8 o 691
2021-10-09 03:33:24 C 22 03 45.74 +06 23 51.1 V G96
2021-10-09 03:37:51 C 22 03 45.18 +06 23 41.8 V 703
2021-10-09 03:41:38 C 22 03 44.80 +06 23 34.0 V G96
2021-10-09 03:49:51 C 22 03 43.87 +06 23 17.1 V G96
2021-10-09 03:58:06 C 22 03 42.94 +06 22 59.9 V G96
2021-10-09 04:02:16 C 22 03 42.35 +06 22 50.8 V 703
2021-10-09 04:39:57 C 22 03 38.16 +06 21 33.8 o 691
2021-10-09 05:06:59 C 22 03 35.09 +06 20 38.1 o 691
2021-10-09 05:34:01 C 22 03 32.00 +06 19 41.7 o 691
2021-10-10 04:07:51 C 22 01 10.84 +05 31 27.6 o 691
2021-10-10 04:24:48 C 22 01 08.85 +05 30 50.1 o 691