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
2015-05-20 06:48:14 C 15 40 12.86 -15 16 19.1 L W84
2015-05-22 06:57:58 C 15 37 48.86 -15 05 49.8 L W84
2015-05-22 07:02:40 C 15 37 48.62 -15 05 48.8 L W84
2015-05-22 07:11:53 C 15 37 48.15 -15 05 46.9 L W84
2015-05-22 07:16:34 C 15 37 47.92 -15 05 45.7 L W84
2015-05-23 04:48:28 C 15 36 43.53 -15 01 04.6 L W84
2015-05-23 04:53:04 C 15 36 43.29 -15 01 03.7 L W84
2015-05-23 04:57:46 C 15 36 43.05 -15 01 02.7 L W84
2015-05-23 05:02:27 C 15 36 42.81 -15 01 01.7 L W84
2015-05-23 05:07:05 C 15 36 42.58 -15 01 00.7 L W84
2015-05-24 04:47:05 C 15 35 31.60 -14 55 51.9 L W84
2015-05-24 04:51:44 C 15 35 31.36 -14 55 50.9 L W84
2015-05-24 04:56:25 C 15 35 31.12 -14 55 49.9 L W84
2015-05-24 05:01:06 C 15 35 30.88 -14 55 48.8 L W84
2015-05-24 05:05:45 C 15 35 30.64 -14 55 47.9 L W84
2019-06-07 09:17:13 C 20 43 17.79 -10 02 19.4 V G96
2019-06-07 09:24:35 C 20 43 18.13 -10 02 15.2 V G96
2019-06-07 09:31:58 C 20 43 18.47 -10 02 12.6 V G96
2019-06-07 09:39:21 C 20 43 18.81 -10 02 09.2 V G96
2019-06-12 12:49:20 C 20 49 14.191 -09 06 37.80 U F52
2019-06-12 13:07:14 C 20 49 14.998 -09 06 29.59 U F52
2019-06-12 13:25:08 C 20 49 15.778 -09 06 21.23 U F52
2019-06-12 13:43:02 C 20 49 16.564 -09 06 13.30 U F52
2019-06-15 13:23:12 C 20 52 36.049 -08 32 50.90 U F51
2019-06-15 13:40:02 C 20 52 36.767 -08 32 43.16 U F51
2019-06-15 13:56:54 C 20 52 37.489 -08 32 34.81 U F51
2019-06-15 14:13:46 C 20 52 38.203 -08 32 26.91 U F51
2019-06-27 01:18:54 C 21 04 32.02 -06 16 50.6 V C95
2019-06-27 01:48:15 C 21 04 33.09 -06 16 36.0 V C95
2019-07-03 08:23:42 C 21 10 27.59 -04 57 11.1 V G96
2019-07-03 08:31:10 C 21 10 27.84 -04 57 06.9 V G96
2019-07-03 08:38:37 C 21 10 28.08 -04 57 03.2 V G96
2019-07-03 08:46:04 C 21 10 28.38 -04 56 58.8 V G96
2019-07-09 06:29:15 C 21 15 40.46 -03 38 56.0 V 703
2019-07-09 06:37:22 C 21 15 40.74 -03 38 52.1 V 703
2019-07-14 00:45:17 C 21 19 39.66 -02 33 37.2 V Z80
2019-07-14 00:56:57 C 21 19 39.94 -02 33 29.8 V Z80
2019-07-14 01:08:43 C 21 19 40.37 -02 33 24.9 V Z80
2019-07-14 07:54:25 C 21 19 54.06 -02 29 23.4 u H21
2019-07-14 08:10:13 C 21 19 54.53 -02 29 15.1 u H21
2019-07-22 23:15:37 C 21 26 52.97 -00 24 19.6 V A17
2019-07-22 23:26:57 C 21 26 53.31 -00 24 12.5 V A17
2019-07-22 23:38:16 C 21 26 53.64 -00 24 05.5 V A17
2019-07-24 12:26:22 C 21 28 06.80 -00 00 50.5 V T08
2019-07-24 12:31:05 C 21 28 06.95 -00 00 47.3 V T08
2019-07-24 12:38:39 C 21 28 07.12 -00 00 42.6 V T08
2019-07-24 12:55:16 C 21 28 07.58 -00 00 32.3 V T08
2019-07-24 22:27:26 C 21 28 27.74 +00 05 19.8 q A17
2019-07-24 22:44:22 C 21 28 28.23 +00 05 30.4 q A17
2019-07-24 23:01:17 C 21 28 28.74 +00 05 41.1 q A17
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)