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
2001-06-15 07:32:00 C 20 30 39.314 +00 47 56.33 645
2001-06-15 07:36:46 C 20 30 39.382 +00 47 58.67 645
2001-09-12 03:00:34 C 19 42 22.34 -04 59 47.1 19.2 c 704
2001-09-12 03:21:20 C 19 42 22.38 -05 00 14.5 19.4 c 704
2001-09-12 03:42:05 C 19 42 22.44 -05 00 41.0 19.8 c 704
2001-09-12 04:02:53 C 19 42 22.57 -05 01 08.1 19.6 c 704
2001-09-12 04:23:38 C 19 42 22.60 -05 01 35.4 19.5 c 704
2001-09-13 04:47:51 C 19 42 40.68 -05 33 39.6 c 658
2001-09-13 04:56:02 C 19 42 40.76 -05 33 50.6 c 658
2001-09-13 05:00:42 C 19 42 40.07 -05 33 53.0 d 649
2001-09-13 05:01:03 C 19 42 40.79 -05 33 57.3 c 658
2001-09-13 05:05:59 C 19 42 40.10 -05 34 00.2 d 649
2001-09-13 05:32:08 C 19 42 40.37 -05 34 34.6 d 649
2001-09-13 09:11:58 C 19 42 44.41 -05 38 50.3 c 474
2001-09-13 09:16:09 C 19 42 44.46 -05 38 55.8 c 474
2001-09-13 09:32:29 C 19 42 44.59 -05 39 17.6 c 474
2001-09-13 09:38:49 C 19 42 44.63 -05 39 26.0 c 474
2001-09-13 20:36:22 C 19 42 54.62 -05 54 45.5 c 046
2001-09-13 20:43:24 C 19 42 54.80 -05 54 54.7 c 046
2001-09-18 19:17:47 C 19 45 55.77 -08 42 32.7 c 046
2001-09-18 19:21:21 C 19 45 55.87 -08 42 38.0 c 046
2001-09-18 19:23:23 C 19 45 55.94 -08 42 41.3 c 046
2001-09-20 11:44:49 C 19 47 28.98 -09 43 19.9 360
2001-09-20 11:48:41 C 19 47 29.10 -09 43 25.9 360
2001-09-20 11:54:11 C 19 47 29.31 -09 43 34.3 360
2001-10-01 04:30:24 C 20 04 37.22 -16 51 29.3 d 649
2001-10-01 04:34:47 C 20 04 37.48 -16 51 37.0 d 649
2001-10-01 04:39:44 C 20 04 37.89 -16 51 44.8 d 649
2001-10-09 02:27:40 C 20 26 57.24 -22 49 30.9 c 649
2001-10-09 02:35:31 C 20 26 58.31 -22 49 45.8 c 649
2001-10-09 02:38:30 C 20 26 58.71 -22 49 51.8 c 649
2001-10-09 10:29:29 C 20 28 06.57 -23 04 35.5 e 422
2001-10-09 10:30:12 C 20 28 06.62 -23 04 37.3 e 422
2001-10-09 10:30:56 C 20 28 06.78 -23 04 38.5 e 422
2001-11-01 13:15:56 C 22 43 07.65 -39 06 54.8 e 413
2001-11-01 13:17:44 C 22 43 08.21 -39 06 56.7 e 413
2001-11-01 13:19:33 C 22 43 08.83 -39 06 57.8 e 413
2001-11-03 12:14:26 C 22 59 25.35 -39 48 52.9 e 413
2001-11-03 12:16:05 C 22 59 25.89 -39 48 54.0 e 413
2001-11-03 12:17:42 C 22 59 26.43 -39 48 54.9 e 413
2001-12-04 03:42:30 C 02 37 15.30 -29 43 43.3 19.2 c 704
2001-12-04 04:04:54 C 02 37 19.31 -29 43 05.5 19.5 c 704
2001-12-04 04:27:21 C 02 37 23.34 -29 42 29.7 19.5 c 704
2001-12-04 04:49:56 C 02 37 27.39 -29 41 49.3 19.2 c 704
2001-12-04 05:12:30 C 02 37 31.32 -29 41 11.6 19.2 c 704
2001-12-08 10:36:22 C 02 55 07.61 -26 47 10.8 e 422
2001-12-08 10:41:47 C 02 55 08.38 -26 47 02.2 e 422
2001-12-08 10:43:47 C 02 55 08.63 -26 46 58.3 e 422
2001-12-12 06:25:24 C 03 09 03.48 -24 10 23.1 o 644
2001-12-12 07:23:41 C 03 09 11.39 -24 08 42.0 o 644