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
2019-09-21 20:12:05 C 00 29 08.72 +19 40 36.6 q G33
2019-09-21 20:12:55 C 00 29 09.05 +19 40 37.1 q G33
2019-09-21 20:17:37 C 00 29 10.74 +19 40 40.3 q G33
2019-09-21 20:23:31 C 00 29 12.95 +19 40 44.2 q G33
2019-09-21 20:24:33 C 00 29 13.30 +19 40 44.5 q G33
2019-09-25 08:54:16 C 01 02 29.04 +20 14 42.6 V T05
2019-09-25 08:55:35 C 01 02 29.53 +20 14 43.0 V T05
2019-09-25 09:21:37 C 01 02 39.49 +20 14 50.0 V T05
2019-09-25 09:27:42 C 01 02 41.81 +20 14 51.4 V T05
2019-09-25 09:37:44 C 01 02 45.63 +20 14 54.1 V T05
2019-09-25 09:40:43 C 01 02 46.76 +20 14 54.6 V T05
2019-09-25 09:42:48 C 01 02 47.54 +20 14 55.4 V T05
2019-09-26 13:42:10 C 01 14 13.600 +20 18 03.23 q O85
2019-09-26 13:43:04 C 01 14 13.968 +20 18 03.50 q O85
2019-09-26 13:53:16 C 01 14 17.997 +20 18 05.07 q O85
2019-09-26 13:54:10 C 01 14 18.349 +20 18 05.14 q O85
2019-09-26 14:04:00 C 01 14 22.233 +20 18 06.76 q O85
2019-09-26 14:04:54 C 01 14 22.591 +20 18 06.98 q O85
2019-09-26 14:09:47 C 01 14 24.523 +20 18 07.69 q O85
2019-09-26 14:10:41 C 01 14 24.876 +20 18 07.89 q O85
2019-09-26 14:11:34 C 01 14 25.227 +20 18 08.05 q O85
2019-09-27 12:34:47 C 01 23 28.82 +20 18 49.1 V T08
2019-09-27 12:39:38 C 01 23 30.68 +20 18 48.6 V T08
2019-09-27 12:47:45 C 01 23 33.79 +20 18 48.0 V T08
2019-09-27 13:04:40 C 01 23 40.30 +20 18 46.1 V T08
2019-09-29 09:15:09 C 01 41 44.99 +20 11 28.4 V 703
2019-09-29 09:22:38 C 01 41 47.85 +20 11 25.9 V 703
2019-09-29 09:30:06 C 01 41 50.69 +20 11 24.0 V 703
2019-09-29 09:37:35 C 01 41 53.58 +20 11 21.0 V 703
2019-09-29 11:44:10 C 01 42 46.33 +20 11 07.7 V T05
2019-09-29 11:49:10 C 01 42 48.22 +20 11 06.4 V T05
2019-09-29 11:57:54 C 01 42 51.52 +20 11 03.9 V T05
2019-09-29 12:13:03 C 01 42 57.26 +20 10 59.4 V T05
2019-09-29 21:42:53 C 01 46 51.01 +20 07 22.4 V L18
2019-09-29 21:44:36 C 01 46 51.67 +20 07 22.1 V L18
2019-09-29 21:46:39 C 01 46 52.45 +20 07 21.3 V L18
2019-09-29 21:48:43 C 01 46 53.25 +20 07 20.5 V L18
2019-09-29 21:50:46 C 01 46 54.05 +20 07 19.9 V L18
2019-09-29 21:52:49 C 01 46 54.85 +20 07 19.4 V L18
2019-10-01 00:55:05 C 01 57 43.44 +19 56 59.2 q K74
2019-10-01 00:58:09 C 01 57 44.60 +19 56 57.8 q K74
2019-10-01 01:01:13 C 01 57 45.78 +19 56 56.4 q K74
2019-10-01 01:03:42 C 01 57 46.69 +19 56 55.3 q K74
2019-10-01 09:34:55 C 02 01 13.18 +19 53 42.7 V T08
2019-10-01 09:39:24 C 02 01 14.84 +19 53 40.8 V T08
2019-10-01 09:49:49 C 02 01 18.71 +19 53 36.5 V T08
2019-10-01 10:09:04 C 02 01 25.84 +19 53 28.4 V T08
2019-10-03 01:57:54 C 02 16 48.79 +19 30 35.8 q 160
2019-10-03 02:00:49 C 02 16 49.84 +19 30 33.2 q 160
2019-10-03 02:03:47 C 02 16 50.91 +19 30 31.3 q 160
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)