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
2022-12-04 09:28:58 C 03 37 13.352 -31 29 42.41 U F52
2022-12-04 09:44:29 C 03 37 15.370 -31 29 11.56 U F52
2022-12-05 03:53:38 C 03 39 44.830 -30 52 55.92 V W68
2022-12-05 03:58:11 C 03 39 45.379 -30 52 47.39 V W68
2022-12-05 04:10:03 C 03 39 46.867 -30 52 23.02 V W68
2022-12-05 04:25:10 C 03 39 48.773 -30 51 53.78 V W68
2022-12-09 21:42:00 C 03 53 37.596 -27 12 43.67 V M22
2022-12-09 21:47:13 C 03 53 38.246 -27 12 32.90 V M22
2022-12-09 21:55:28 C 03 53 39.062 -27 12 18.18 V M22
2022-12-09 22:47:31 C 03 53 44.448 -27 10 38.64 V M22
2022-12-14 08:56:03 C 04 04 32.002 -23 54 00.59 U F51
2022-12-14 09:13:13 C 04 04 33.479 -23 53 29.33 U F51
2022-12-14 09:30:22 C 04 04 34.948 -23 52 58.12 U F51
2022-12-14 09:47:29 C 04 04 36.411 -23 52 26.97 U F51
2022-12-14 21:38:34 C 04 05 42.638 -23 30 37.51 V M22
2022-12-14 21:43:07 C 04 05 42.994 -23 30 29.41 V M22
2022-12-14 21:54:41 C 04 05 43.944 -23 30 08.53 V M22
2022-12-14 22:09:13 C 04 05 45.211 -23 29 42.04 V M22
2022-12-16 03:54:07 C 04 08 26.326 -22 36 21.74 V W68
2022-12-16 03:59:19 C 04 08 26.748 -22 36 12.78 V W68
2022-12-16 04:21:27 C 04 08 28.541 -22 35 33.61 V W68
2022-12-16 04:42:30 C 04 08 30.276 -22 34 55.67 V W68
2022-12-17 03:31:21 C 04 10 29.796 -21 54 31.43 V W68
2022-12-17 03:36:33 C 04 10 30.298 -21 54 22.10 V W68
2022-12-17 03:43:54 C 04 10 30.746 -21 54 08.60 V W68
2022-12-17 04:02:50 C 04 10 32.254 -21 53 36.35 V W68
2022-12-18 22:24:54 C 04 14 04.433 -20 39 40.28 V M22
2022-12-18 22:28:54 C 04 14 04.733 -20 39 33.01 V M22
2022-12-18 22:57:47 C 04 14 06.955 -20 38 42.97 V M22
2022-12-18 23:13:44 C 04 14 08.112 -20 38 14.78 V M22
2022-12-21 03:51:38 C 04 18 18.113 -19 08 32.82 V W68
2022-12-21 03:56:11 C 04 18 18.458 -19 08 25.58 V W68
2022-12-21 04:03:59 C 04 18 18.974 -19 08 11.72 V W68
2022-12-21 04:18:53 C 04 18 20.069 -19 07 46.27 V W68
2022-12-21 21:50:34 C 04 19 40.234 -18 38 23.10 V M22
2022-12-21 21:55:07 C 04 19 40.555 -18 38 16.55 V M22
2022-12-21 22:06:23 C 04 19 41.371 -18 37 57.11 V M22
2022-12-21 22:12:13 C 04 19 41.755 -18 37 46.20 V M22
2022-12-21 22:16:49 C 04 19 42.074 -18 37 39.83 V M22
2022-12-21 22:25:15 C 04 19 42.660 -18 37 24.64 V M22
2022-12-21 22:41:54 C 04 19 43.793 -18 36 57.78 V M22
2022-12-21 22:42:33 C 04 19 43.906 -18 36 56.66 V M22
2022-12-22 06:05:46 C 04 20 17.650 -18 25 02.68 V G96
2022-12-22 06:13:09 C 04 20 18.157 -18 24 50.36 V G96
2022-12-22 06:20:33 C 04 20 18.668 -18 24 38.16 V G96
2022-12-22 06:27:57 C 04 20 19.176 -18 24 25.60 V G96
2022-12-25 03:26:55 C 04 25 19.673 -16 31 26.94 V W68
2022-12-25 03:30:55 C 04 25 19.896 -16 31 20.71 V W68
2022-12-25 03:52:45 C 04 25 21.338 -16 30 45.83 V W68
2022-12-25 04:28:41 C 04 25 23.642 -16 29 47.62 V W68