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
2001-07-13 14:09:17 C 20 29 42.94 -05 54 11.5 19.6 c 608
2001-07-13 14:25:53 C 20 29 42.74 -05 54 05.7 19.3 c 608
2001-07-13 14:41:33 C 20 29 42.56 -05 53 59.9 19.3 c 608
2001-08-20 05:04:15 C 20 11 04.81 -02 10 07.7 17.5 c 704
2001-08-20 05:22:05 C 20 11 04.33 -02 10 07.9 17.7 c 704
2001-08-20 05:40:14 C 20 11 03.80 -02 10 06.0 17.9 c 704
2001-08-20 05:58:21 C 20 11 03.39 -02 10 04.6 17.6 c 704
2001-08-20 06:16:12 C 20 11 02.93 -02 10 03.3 17.9 c 704
2001-08-25 03:29:37 C 20 09 49.44 -02 03 48.9 16.7 c 644
2001-08-25 04:03:04 C 20 09 48.99 -02 03 48.1 16.9 c 644
2001-08-25 04:33:55 C 20 09 48.56 -02 03 47.2 16.6 c 644
2001-09-12 04:35:08 C 20 21 07.41 -02 31 57.6 16.1 c 704
2001-09-12 04:55:48 C 20 21 08.55 -02 32 00.7 16.9 c 704
2001-09-12 05:16:27 C 20 21 09.72 -02 32 03.7 16.6 c 704
2001-09-12 05:37:03 C 20 21 10.87 -02 32 06.7 16.5 c 704
2001-09-12 05:57:41 C 20 21 12.04 -02 32 09.7 16.4 c 704
2001-09-13 05:16:11 C 20 22 53.25 -02 36 01.4 c 658
2001-09-13 05:24:12 C 20 22 53.77 -02 36 02.9 c 658
2001-09-13 05:29:02 C 20 22 54.08 -02 36 03.7 c 658
2001-09-13 18:50:34 C 20 23 56.23 -02 38 16.9 c 046
2001-09-13 19:13:50 C 20 23 57.73 -02 38 20.1 c 046
2001-09-13 19:15:16 C 20 23 57.87 -02 38 20.2 c 046
2001-09-13 20:40:31 C 20 24 04.13 -02 38 29.0 165
2001-09-13 20:46:43 C 20 24 04.60 -02 38 31.1 165
2001-09-13 20:51:37 C 20 24 04.45 -02 38 37.1 c 113
2001-09-13 20:53:52 C 20 24 04.61 -02 38 37.7 c 113
2001-09-13 20:56:17 C 20 24 04.77 -02 38 37.9 c 113
2001-09-13 20:58:18 C 20 24 04.92 -02 38 38.1 c 113
2001-09-13 20:59:33 C 20 24 05.37 -02 38 33.5 165
2001-09-13 21:02:38 C 20 24 05.60 -02 38 33.6 165
2001-09-13 21:35:34 C 20 24 07.90 -02 38 39.4 d 946
2001-09-13 21:44:33 C 20 24 08.51 -02 38 40.4 d 946
2001-09-13 22:18:17 C 20 24 10.77 -02 38 45.5 d 946
2001-09-13 22:23:12 C 20 24 11.15 -02 38 46.4 d 946
2001-09-13 22:43:06 C 20 24 12.52 -02 38 48.3 c 952
2001-09-13 22:46:37 C 20 24 12.74 -02 38 48.9 c 952
2001-09-13 22:50:01 C 20 24 12.99 -02 38 49.3 c 952
2001-09-13 22:53:23 C 20 24 13.23 -02 38 50.3 c 952
2001-09-13 22:57:06 C 20 24 13.48 -02 38 51.1 c 952
2001-09-16 03:45:48 C 20 28 50.89 -02 48 11.6 c 670
2001-09-16 04:43:18 C 20 28 55.55 -02 48 22.4 c 670
2001-09-16 05:47:50 C 20 29 00.79 -02 48 34.5 c 670
2001-09-16 21:39:25 C 20 30 34.293 -02 51 48.50 940
2001-09-16 21:45:07 C 20 30 35.021 -02 51 49.13 940
2001-09-16 21:51:28 C 20 30 35.428 -02 51 51.03 940
2001-09-16 22:12:06 C 20 30 37.297 -02 51 53.81 940
2001-09-16 22:19:17 C 20 30 37.894 -02 51 55.24 940
2001-09-16 22:28:32 C 20 30 38.792 -02 51 57.05 940
2001-09-16 22:35:51 C 20 30 39.472 -02 51 58.13 940
2001-09-16 22:42:54 C 20 30 40.054 -02 52 00.12 940
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)