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
2001-09-16 22:50:07 C 20 30 40.750 -02 52 00.47 940
2001-09-16 22:57:00 C 20 30 41.352 -02 52 03.19 940
2001-09-17 14:54:50 C 20 32 19.13 -02 54 59.0 402
2001-09-17 14:58:38 C 20 32 19.51 -02 54 59.7 402
2001-09-17 15:02:26 C 20 32 19.87 -02 55 00.4 402
2001-09-18 18:32:24 C 20 35 26.15 -03 00 44.7 c 185
2001-09-18 18:38:14 C 20 35 26.78 -03 00 46.0 c 185
2001-09-18 18:43:14 C 20 35 27.28 -03 00 46.6 c 185
2001-09-18 18:47:14 C 20 35 27.72 -03 00 47.6 c 185
2001-09-18 18:51:14 C 20 35 28.14 -03 00 48.3 c 185
2001-09-18 19:23:25 C 20 35 31.10 -03 00 56.9 d 557
2001-09-18 19:26:36 C 20 35 31.45 -03 00 57.6 d 557
2001-09-18 19:29:47 C 20 35 31.76 -03 00 58.2 d 557
2001-09-18 19:37:52 C 20 35 32.61 -03 01 00.0 d 557
2001-09-18 19:41:04 C 20 35 32.95 -03 01 00.7 d 557
2001-09-18 19:44:16 C 20 35 33.27 -03 01 01.4 d 557
2001-09-18 19:47:27 C 20 35 33.62 -03 01 02.1 d 557
2001-09-19 13:31:48 C 20 37 39.72 -03 03 26.2 c 322
2001-09-19 13:38:53 C 20 37 40.56 -03 03 27.8 c 322
2001-09-19 13:54:08 C 20 37 42.13 -03 03 31.0 c 322
2001-09-20 18:54:06 C 20 41 25.68 -03 11 03.6 c 118
2001-09-20 18:57:12 C 20 41 26.05 -03 11 04.5 c 118
2001-09-20 19:00:14 C 20 41 26.42 -03 11 05.1 c 118
2001-09-20 20:02:11 C 20 41 34.22 -03 11 14.6 c 108
2001-09-20 20:05:00 C 20 41 34.50 -03 11 16.5 c 108
2001-09-20 20:08:36 C 20 41 34.99 -03 11 17.2 c 108
2001-09-20 20:10:25 C 20 41 35.25 -03 11 19.0 c 108
2001-09-22 02:59:41 C 20 45 55.13 -03 17 58.4 o 644
2001-09-22 03:29:05 C 20 45 58.98 -03 18 05.0 o 644
2001-09-22 04:02:34 C 20 46 03.34 -03 18 12.7 o 644
2001-09-22 05:17:14 C 20 46 13.26 -03 18 30.9 c 670
2001-09-22 05:39:27 C 20 46 16.19 -03 18 35.7 c 670
2001-09-22 06:07:24 C 20 46 19.86 -03 18 42.2 c 670
2001-09-22 13:23:32 C 20 47 24.28 -03 20 22.3 d 347
2001-09-22 13:27:52 C 20 47 24.86 -03 20 23.4 d 347
2001-09-22 13:31:52 C 20 47 25.40 -03 20 25.2 d 347
2001-09-22 19:38:29 C 20 48 23.05 -03 21 52.9 c 157
2001-09-22 19:43:29 C 20 48 23.74 -03 21 53.9 c 157
2001-09-22 19:48:31 C 20 48 24.43 -03 21 55.0 c 157
2001-09-24 02:33:08 C 20 53 18.82 -03 29 04.2 i 726
2001-09-24 02:40:26 C 20 53 19.99 -03 29 05.6 i 726
2001-09-24 02:44:29 C 20 53 20.58 -03 29 06.4 i 726
2001-09-24 02:49:29 C 20 53 21.32 -03 29 07.5 i 726
2001-09-24 02:54:29 C 20 53 22.12 -03 29 08.9 i 726
2001-09-24 02:59:28 C 20 53 22.86 -03 29 09.9 i 726
2001-09-25 01:24:52 C 20 57 14.88 -03 34 16.9 d 739
2001-09-25 01:28:28 C 20 57 15.46 -03 34 17.9 d 739
2001-09-25 01:46:23 C 20 57 18.40 -03 34 22.1 d 739
2001-09-25 02:43:42 C 20 57 28.51 -03 34 33.3 17.2 c 704
2001-09-25 03:04:53 C 20 57 31.83 -03 34 40.3 17.6 c 704
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)