2001 RA18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5959237328 ± 7.87e-09
Semi-major axis (a)2.6000613537 AU ± 1.92e-09
Inclination (i)10.99850563° ± 2.38e-06
Long. of Asc. Node (Ω)179.63654998° ± 7.44e-06
Arg. of Perihelion (ω)205.86596005° ± 9.15e-06
Mean Anomaly (M)263.71411846° ± 1.56e-06
Mean Motion (n)0.2350914756°/day ± 2.61e-10
Perihelion dist (q)1.05062309 AU ± 2.05e-08
Aphelion dist (Q)4.14949962 AU ± 2.07e-08
Orbital Period4.19252242 yr ± 4.65e-09
Physical Parameters
H (abs. magnitude)19.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.277″
Uncertainty0
Orbit TypeAmor
MOID0.071961 AU
Observations Used332
Oppositions17
Arc Total2001-2023
First Observation Used2001-06-15
Last Observation Used2023-01-22
Observations (357)
Date Type RA Dec Mag Band Observatory
2022-10-18 01:32:52 C 21 10 22.786 -35 32 43.08 V W68
2022-10-18 01:40:15 C 21 10 24.648 -35 33 03.02 V W68
2022-10-18 01:56:43 C 21 10 28.838 -35 33 48.31 V W68
2022-10-19 19:06:01 C 21 22 04.862 -37 27 06.66 V M22
2022-10-19 19:09:25 C 21 22 05.839 -37 27 15.41 V M22
2022-10-19 19:16:34 C 21 22 07.814 -37 27 34.49 V M22
2022-10-19 19:33:23 C 21 22 12.482 -37 28 19.96 V M22
2022-10-20 01:26:04 C 21 23 57.482 -37 44 20.87 V W68
2022-10-20 01:31:20 C 21 23 58.937 -37 44 34.37 V W68
2022-10-20 01:40:30 C 21 24 01.574 -37 44 59.64 V W68
2022-10-20 01:54:41 C 21 24 05.585 -37 45 37.04 V W68
2022-10-21 19:18:06 C 21 37 03.790 -39 35 59.42 V M22
2022-10-21 19:22:01 C 21 37 04.987 -39 36 09.72 V M22
2022-10-21 19:31:20 C 21 37 07.891 -39 36 33.95 V M22
2022-10-21 19:47:43 C 21 37 13.001 -39 37 16.03 V M22
2022-10-24 01:32:29 C 21 55 49.874 -41 52 56.10 V W68
2022-10-24 01:37:03 C 21 55 51.468 -41 53 06.79 V W68
2022-10-24 01:44:52 C 21 55 54.182 -41 53 25.87 V W68
2022-10-24 02:01:14 C 21 55 59.875 -41 54 04.43 V W68
2022-10-25 19:25:27 C 22 11 43.961 -43 30 11.16 V M22
2022-10-25 19:30:50 C 22 11 45.888 -43 30 22.50 V M22
2022-10-25 19:40:57 C 22 11 49.680 -43 30 44.68 V M22
2022-10-25 19:56:30 C 22 11 55.651 -43 31 18.16 V M22
2022-10-25 20:31:22 C 22 12 08.722 -43 32 33.97 V M22
2022-10-25 20:35:24 C 22 12 10.301 -43 32 42.22 V M22
2022-10-25 20:42:45 C 22 12 13.073 -43 32 57.88 V M22
2022-10-25 21:03:01 C 22 12 20.789 -43 33 40.97 V M22
2022-10-28 01:42:01 C 22 34 05.256 -45 21 41.18 V W68
2022-10-28 01:46:33 C 22 34 07.118 -45 21 49.54 V W68
2022-10-28 01:54:23 C 22 34 10.296 -45 22 04.37 V W68
2022-10-28 02:10:42 C 22 34 17.042 -45 22 34.03 V W68
2022-10-29 19:46:18 C 22 52 38.839 -46 34 17.62 V M22
2022-10-29 19:50:52 C 22 52 40.853 -46 34 24.74 V M22
2022-10-29 20:00:46 C 22 52 45.130 -46 34 39.97 V M22
2022-10-29 20:15:50 C 22 52 51.694 -46 35 02.98 V M22
2022-11-01 01:52:32 C 23 17 46.682 -47 47 06.65 V W68
2022-11-01 01:57:06 C 23 17 48.761 -47 47 11.47 V W68
2022-11-01 02:04:56 C 23 17 52.327 -47 47 19.64 V W68
2022-11-01 02:25:09 C 23 18 01.546 -47 47 42.22 V W68
2022-11-10 21:20:52 C 01 08 44.330 -48 04 40.26 V M22
2022-11-10 21:24:49 C 01 08 45.970 -48 04 36.52 V M22
2022-11-10 21:34:00 C 01 08 49.788 -48 04 28.52 V M22
2022-11-10 21:47:45 C 01 08 55.445 -48 04 15.78 V M22
2022-11-14 21:03:20 C 01 47 03.346 -46 12 59.26 V M22
2022-11-14 21:07:17 C 01 47 04.709 -46 12 53.93 V M22
2022-11-14 21:16:06 C 01 47 07.814 -46 12 41.51 V M22
2022-11-14 22:07:42 C 01 47 25.997 -46 11 26.56 V M22
2022-11-17 03:17:58 C 02 06 01.039 -44 50 01.57 V W68
2022-11-17 04:08:23 C 02 06 16.954 -44 48 38.38 V W68
2022-11-17 04:12:16 C 02 06 18.178 -44 48 31.93 V W68