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
2019-08-19 21:14:21 C 21 56 15.26 +07 28 13.8 t K81
2019-08-19 22:09:12 C 21 56 18.67 +07 29 00.3 t K81
2019-08-19 23:03:53 C 21 56 21.93 +07 29 44.2 t K81
2019-08-19 23:56:55 C 21 56 25.19 +07 30 27.1 t K81
2019-08-20 00:49:57 C 21 56 28.52 +07 31 10.0 t K81
2019-08-20 01:44:49 C 21 56 31.92 +07 31 54.3 t K81
2019-08-20 07:51:31 C 21 56 59.03 +07 37 02.0 V 703
2019-08-20 07:55:31 C 21 56 59.19 +07 37 06.0 V 703
2019-08-20 07:59:19 C 21 56 59.46 +07 37 08.0 V 703
2019-08-20 08:03:18 C 21 56 59.74 +07 37 12.6 V 703
2019-08-20 08:07:07 C 21 56 59.97 +07 37 14.6 V 703
2019-08-20 08:11:06 C 21 57 00.19 +07 37 18.6 V 703
2019-08-20 08:14:54 C 21 57 00.46 +07 37 21.1 V 703
2019-08-20 08:18:54 C 21 57 00.68 +07 37 24.9 V 703
2019-08-20 19:50:26 C 21 57 52.30 +07 46 44.9 V 089
2019-08-20 19:54:39 C 21 57 53.15 +07 46 51.6 t K81
2019-08-20 20:04:13 C 21 57 53.19 +07 46 56.9 V 089
2019-08-20 20:17:59 C 21 57 54.07 +07 47 08.7 V 089
2019-08-20 20:21:26 C 21 57 54.36 +07 47 11.3 V 089
2019-08-20 20:49:23 C 21 57 56.79 +07 47 37.6 t K81
2019-08-20 21:42:17 C 21 58 00.24 +07 48 22.2 t K81
2019-08-20 22:36:48 C 21 58 03.77 +07 49 07.5 t K81
2019-08-20 22:54:37 C 21 58 05.03 +07 49 20.5 q 160
2019-08-20 22:57:36 C 21 58 05.22 +07 49 23.0 q 160
2019-08-20 23:00:30 C 21 58 05.41 +07 49 25.4 q 160
2019-08-20 23:29:45 C 21 58 07.17 +07 49 50.9 t K81
2019-08-21 00:22:50 C 21 58 10.59 +07 50 34.8 t K81
2019-08-21 01:15:50 C 21 58 14.07 +07 51 18.5 t K81
2019-08-21 02:08:52 C 21 58 17.65 +07 52 01.9 t K81
2019-08-21 06:25:47 C 21 58 38.97 +07 55 42.5 V 703
2019-08-21 06:33:37 C 21 58 39.48 +07 55 49.1 V 703
2019-08-21 06:41:27 C 21 58 39.95 +07 55 55.4 V 703
2019-08-21 06:49:17 C 21 58 40.48 +07 56 02.1 V 703
2019-08-21 08:41:28 C 21 58 47.72 +07 57 35.3 V G96
2019-08-21 08:50:12 C 21 58 48.29 +07 57 42.5 V G96
2019-08-21 08:58:56 C 21 58 48.86 +07 57 49.6 V G96
2019-08-21 09:07:53 C 21 58 49.45 +07 57 57.1 V G96
2019-08-21 19:48:50 C 21 59 41.04 +08 06 44.3 16.3 V 108
2019-08-21 19:52:12 C 21 59 41.25 +08 06 47.5 16.3 V 108
2019-08-21 19:55:32 C 21 59 41.47 +08 06 50.2 16.4 V 108
2019-08-21 19:58:54 C 21 59 41.72 +08 06 52.9 16.2 V 108
2019-08-22 01:45:26 C 22 00 05.74 +08 11 44.0 V A16
2019-08-22 01:55:57 C 22 00 06.63 +08 11 52.7 V A16
2019-08-22 01:59:08 C 22 00 06.83 +08 11 55.1 V A16
2019-08-22 02:05:58 C 22 00 07.31 +08 12 00.5 V A16
2019-08-22 02:15:30 C 22 00 08.01 +08 12 08.2 V A16
2019-08-22 02:18:11 C 22 00 08.16 +08 12 10.8 V A16
2019-08-22 02:29:18 C 22 00 09.12 +08 12 20.2 V A16
2019-08-22 02:32:21 C 22 00 09.31 +08 12 22.7 V A16
2019-08-23 10:53:15 C 22 02 47.36 +08 40 11.6 V T05
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)