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
2022-09-27 20:37:36 S 19 54 12.422 -15 00 46.30 L C51
2022-09-27 23:45:23 S 19 54 26.844 -15 07 21.68 L C51
2022-09-28 02:53:08 S 19 54 41.35 -15 13 58.4 L C51
2022-09-28 06:00:55 S 19 54 55.95 -15 20 36.2 L C51
2022-09-28 07:34:48 S 19 55 03.35 -15 23 56.0 L C51
2022-09-28 10:42:34 S 19 55 18.15 -15 30 36.4 L C51
2022-09-28 12:16:27 S 19 55 25.61 -15 33 56.5 L C51
2022-09-28 13:50:19 S 19 55 33.12 -15 37 16.5 L C51
2022-09-28 16:58:06 S 19 55 48.25 -15 43 59.3 L C51
2022-09-28 20:05:52 S 19 56 03.631 -15 50 41.39 L C51
2022-09-28 23:13:38 S 19 56 18.958 -15 57 26.57 L C51
2022-09-29 02:21:13 S 19 56 34.562 -16 04 11.93 L C51
2022-09-29 02:21:24 S 19 56 34.560 -16 04 12.90 L C51
2022-10-01 00:33:24 C 20 00 42.526 -17 46 11.03 V W68
2022-10-01 00:34:14 C 20 00 42.636 -17 46 12.72 V W68
2022-10-01 00:37:28 C 20 00 42.924 -17 46 19.99 V W68
2022-10-01 00:38:07 C 20 00 42.953 -17 46 21.22 V W68
2022-10-01 00:45:54 C 20 00 43.651 -17 46 38.96 V W68
2022-10-01 00:56:48 C 20 00 44.554 -17 47 03.23 V W68
2022-10-01 01:02:53 C 20 00 45.108 -17 47 17.48 V W68
2022-10-01 01:23:47 C 20 00 46.867 -17 48 04.07 V W68
2022-10-02 19:13:38 C 20 05 02.578 -19 24 22.57 V M22
2022-10-02 19:18:11 C 20 05 02.981 -19 24 33.01 V M22
2022-10-02 19:26:00 C 20 05 03.727 -19 24 50.87 V M22
2022-10-02 19:42:39 C 20 05 05.388 -19 25 31.08 V M22
2022-10-06 18:14:08 C 20 16 44.789 -23 17 03.16 V K74
2022-10-06 18:24:43 C 20 16 46.157 -23 17 30.41 V K74
2022-10-09 01:12:39 C 20 24 55.654 -25 38 14.10 V W68
2022-10-09 01:17:13 C 20 24 56.374 -25 38 25.33 V W68
2022-10-09 01:25:42 C 20 24 57.526 -25 38 48.52 V W68
2022-10-09 01:40:11 C 20 24 59.827 -25 39 25.13 V W68
2022-10-14 00:39:20 C 20 47 06.581 -31 02 27.13 V W68
2022-10-14 00:43:14 C 20 47 07.320 -31 02 38.44 V W68
2022-10-14 00:43:53 C 20 47 07.476 -31 02 39.77 V W68
2022-10-14 00:53:49 C 20 47 09.492 -31 03 07.52 V W68
2022-10-14 00:57:58 C 20 47 10.272 -31 03 19.80 V W68
2022-10-14 01:09:02 C 20 47 12.506 -31 03 49.18 V W68
2022-10-14 01:17:41 C 20 47 14.251 -31 04 13.04 V W68
2022-10-14 18:57:44 C 20 51 06.322 -31 53 22.96 V M22
2022-10-14 19:02:21 C 20 51 07.255 -31 53 35.77 V M22
2022-10-14 19:10:52 C 20 51 09.070 -31 53 59.28 V M22
2022-10-14 19:28:17 C 20 51 12.775 -31 54 47.30 V M22
2022-10-17 00:46:22 C 21 03 55.582 -34 23 45.31 V W68
2022-10-17 00:51:33 C 21 03 56.765 -34 23 59.28 V W68
2022-10-17 00:58:54 C 21 03 58.562 -34 24 19.44 V W68
2022-10-17 01:13:24 C 21 04 02.014 -34 24 59.94 V W68
2022-10-17 16:14:20 C 21 07 55.04 -35 07 29.3 q C97
2022-10-17 16:19:18 C 21 07 56.26 -35 07 43.2 q C97
2022-10-17 16:24:07 C 21 07 57.45 -35 07 56.5 q C97
2022-10-18 01:28:15 C 21 10 21.614 -35 32 30.80 V W68