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
2019-11-10 09:47:47 C 04 45 33.49 +08 36 06.4 V T08
2019-11-10 09:55:20 C 04 45 33.57 +08 36 04.5 V T08
2019-11-10 09:56:43 C 04 45 33.56 +08 36 04.2 V T08
2019-11-10 10:09:41 C 04 45 33.69 +08 36 01.2 V T08
2019-11-10 10:16:00 C 04 45 33.73 +08 35 59.5 V T08
2019-11-10 23:13:27 C 04 45 49.5 +08 32 38.2 17.1 q 950
2019-11-10 23:14:34 C 04 45 49.5 +08 32 38.0 16.9 q 950
2019-11-10 23:15:50 C 04 45 49.6 +08 32 37.3 17.0 q 950
2019-11-11 09:56:43 C 04 46 00.29 +08 30 10.0 V T05
2019-11-11 10:01:22 C 04 46 00.33 +08 30 08.8 V T05
2019-11-11 10:10:06 C 04 46 00.37 +08 30 06.9 V T05
2019-11-11 10:24:56 C 04 46 00.48 +08 30 03.7 V T05
2019-11-20 11:17:15 C 04 47 14.67 +08 01 02.4 V T05
2019-11-20 11:22:12 C 04 47 14.60 +08 01 02.2 V T05
2019-11-20 11:39:28 C 04 47 14.38 +08 01 01.4 V T05
2019-11-20 11:48:38 C 04 47 14.26 +08 01 01.0 V T05
2019-11-21 11:55:45 C 04 47 08.63 +08 00 14.8 V T08
2019-11-21 12:01:04 C 04 47 08.56 +08 00 14.7 V T08
2019-11-21 12:09:48 C 04 47 08.43 +08 00 14.4 V T08
2019-11-21 12:30:28 C 04 47 08.14 +08 00 13.9 V T08
2019-11-24 06:35:07 C 04 46 45.65 +08 00 13.4 U I41
2019-11-24 06:57:55 C 04 46 45.31 +08 00 14.3 U I41
2019-11-24 07:35:44 C 04 46 44.73 +08 00 15.4 U I41
2019-11-24 07:57:10 C 04 46 44.39 +08 00 16.0 U I41
2019-11-25 08:27:55 C 04 46 33.76 +08 01 14.9 V T08
2019-11-25 08:34:28 C 04 46 33.66 +08 01 15.2 V T08
2019-11-25 08:43:41 C 04 46 33.51 +08 01 15.9 V T08
2019-11-25 09:01:21 C 04 46 33.22 +08 01 16.6 V T08
2019-11-26 00:49:35 C 04 46 23.69 +08 01 51.7 q 160
2019-11-26 00:52:34 C 04 46 23.64 +08 01 51.9 q 160
2019-11-26 00:55:33 C 04 46 23.59 +08 01 52.0 q 160
2019-11-27 10:35:46 C 04 46 05.70 +08 04 17.7 V T05
2019-11-27 10:43:00 C 04 46 05.58 +08 04 18.3 V T05
2019-11-27 10:47:22 C 04 46 05.49 +08 04 18.7 V T05
2019-11-27 11:13:19 C 04 46 05.01 +08 04 20.9 V T05
2019-11-28 08:48:08 C 04 45 53.713 +08 06 09.46 U F52
2019-11-28 09:05:49 C 04 45 53.405 +08 06 11.17 U F52
2019-11-28 09:23:39 C 04 45 53.087 +08 06 12.95 U F52
2019-11-28 09:41:44 C 04 45 52.763 +08 06 14.69 U F52
2019-11-29 10:45:07 C 04 45 37.24 +08 08 44.9 V T08
2019-11-29 11:00:05 C 04 45 36.97 +08 08 46.5 V T08
2019-11-29 11:08:05 C 04 45 36.82 +08 08 47.4 V T08
2019-11-29 11:12:46 C 04 45 36.73 +08 08 47.8 V T08
2019-12-03 11:11:24 C 04 44 38.83 +08 21 42.2 V T08
2019-12-03 11:16:45 C 04 44 38.74 +08 21 43.1 V T08
2019-12-03 11:24:07 C 04 44 38.61 +08 21 44.2 V T08
2019-12-03 11:38:18 C 04 44 38.37 +08 21 46.5 V T08
2019-12-04 08:51:45 C 04 44 27.336 +08 25 16.89 U F52
2019-12-04 09:07:54 C 04 44 27.065 +08 25 19.73 U F52
2019-12-04 09:24:15 C 04 44 26.790 +08 25 22.61 U F52
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)