IAA RAS IAA Minor Planet Database

354030 (2001 RB18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5389012936 ± 1.02e-09
Semi-major axis (a)2.3488749058 AU ± 2.81e-10
Inclination (i)4.17829459° ± 6.19e-07
Long. of Asc. Node (Ω)198.24942951° ± 3.86e-06
Arg. of Perihelion (ω)175.35074491° ± 4.31e-06
Mean Anomaly (M)253.13460727° ± 7.78e-07
Mean Motion (n)0.2737930653°/day ± 4.91e-11
Perihelion dist (q)1.08306318 AU ± 2.40e-09
Aphelion dist (Q)3.61468663 AU ± 2.44e-09
Orbital Period3.59989499 yr ± 6.46e-10
Physical Parameters
H (abs. magnitude)18.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.238″
Uncertainty0
Orbit TypeAmor
MOID0.081944 AU
Observations Used1245
Radar Obs Used3
Oppositions13
Arc Total2001-2019
First Observation Used2001-07-13
Last Observation Used2024-02-14
Observations (1342)
Date Type RA Dec Mag Band Observatory
2019-10-24 14:38:34 C 04 21 22.692 +11 52 33.78 – U F51
2019-10-24 14:54:19 C 04 21 24.258 +11 52 21.77 – U F51
2019-10-25 08:05:06 C 04 23 22.93 +11 39 44.5 – V 703
2019-10-25 08:05:33 C 04 23 23.02 +11 39 44.1 – V G96
2019-10-25 08:12:45 C 04 23 23.72 +11 39 38.9 – V 703
2019-10-25 08:14:12 C 04 23 23.84 +11 39 38.0 – V G96
2019-10-25 08:20:24 C 04 23 24.43 +11 39 33.7 – V 703
2019-10-25 08:21:02 C 04 23 24.48 +11 39 33.3 – V G96
2019-10-25 08:27:50 C 04 23 25.11 +11 39 28.4 – V G96
2019-10-25 08:28:02 C 04 23 25.14 +11 39 28.3 – V 703
2019-10-25 08:35:02 C 04 23 25.78 +11 39 23.5 – V 703
2019-10-25 08:42:38 C 04 23 26.49 +11 39 18.3 – V 703
2019-10-25 08:50:14 C 04 23 27.19 +11 39 12.8 – V 703
2019-10-25 08:57:50 C 04 23 27.91 +11 39 07.5 – V 703
2019-10-25 11:54:55 C 04 23 47.09 +11 37 15.2 – V T08
2019-10-25 11:59:23 C 04 23 47.50 +11 37 12.1 – V T08
2019-10-25 12:10:12 C 04 23 48.46 +11 37 04.5 – V T08
2019-10-25 12:25:10 C 04 23 49.80 +11 36 54.0 – V T08
2019-10-26 00:39:57 C 04 25 07.41 +11 27 55.2 – q 160
2019-10-26 00:42:52 C 04 25 07.67 +11 27 53.3 – q 160
2019-10-26 00:45:50 C 04 25 07.95 +11 27 51.2 – q 160
2019-10-27 00:43:20 C 04 27 29.88 +11 11 32.5 – V 113
2019-10-27 00:45:31 C 04 27 30.07 +11 11 31.1 – V 113
2019-10-27 00:47:42 C 04 27 30.24 +11 11 29.7 – V 113
2019-10-27 00:59:18 C 04 27 31.36 +11 11 27.8 – q 160
2019-10-27 01:01:59 C 04 27 31.58 +11 11 26.1 – q 160
2019-10-27 01:04:47 C 04 27 31.81 +11 11 24.2 – q 160
2019-10-27 10:49:10 C 04 28 27.72 +11 05 22.8 – V T05
2019-10-27 11:04:03 C 04 28 28.85 +11 05 13.4 – V T05
2019-10-27 11:18:43 C 04 28 29.97 +11 05 04.1 – V T05
2019-10-27 11:29:33 C 04 28 30.79 +11 04 57.1 – V T05
2019-10-29 12:30:29 C 04 32 37.21 +10 34 44.0 – V T08
2019-10-29 12:35:22 C 04 32 37.50 +10 34 41.0 – V T08
2019-10-29 12:46:58 C 04 32 38.22 +10 34 34.2 – V T08
2019-10-29 13:06:18 C 04 32 39.40 +10 34 22.7 – V T08
2019-10-31 02:12:38 C 04 35 20.37 +10 13 20.9 16.0 q J43
2019-10-31 02:24:50 C 04 35 21.02 +10 13 14.3 16.1 q J43
2019-10-31 02:37:02 C 04 35 21.67 +10 13 07.7 16.1 q J43
2019-10-31 02:49:18 C 04 35 22.32 +10 13 01.1 16.1 q J43
2019-10-31 03:01:54 C 04 35 23.00 +10 12 54.5 15.8 q J43
2019-10-31 03:14:06 C 04 35 23.64 +10 12 48.3 15.8 q J43
2019-10-31 03:26:19 C 04 35 24.29 +10 12 41.2 15.9 q J43
2019-10-31 03:38:32 C 04 35 24.94 +10 12 34.5 15.8 q J43
2019-10-31 10:20:39 C 04 35 54.134 +10 09 08.74 – U F51
2019-10-31 10:37:18 C 04 35 54.993 +10 09 00.26 – U F51
2019-10-31 10:54:01 C 04 35 55.847 +10 08 51.72 – U F51
2019-10-31 11:10:50 C 04 35 56.699 +10 08 43.03 – U F51
2019-10-31 23:30:56 C 04 36 42.65 +10 01 55.9 – V 089
2019-10-31 23:34:22 C 04 36 42.83 +10 01 54.0 – V 089
2019-10-31 23:37:49 C 04 36 43.00 +10 01 52.4 – V 089
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-09-27 05:45:00 92725178.62 4 us 2380 -1 -1
2019-09-27 05:56:00 92722930.43 4 us 2380 -1 -1
2019-09-28 06:30:00 92496216.2 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)