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
2019-10-17 23:24:53 C 03 57 58.36 +14 04 18.4 V 089
2019-10-17 23:28:16 C 03 57 58.92 +14 04 15.4 V 089
2019-10-17 23:31:39 C 03 57 59.51 +14 04 12.0 V 089
2019-10-17 23:35:02 C 03 58 00.06 +14 04 09.1 V 089
2019-10-17 23:38:25 C 03 58 00.62 +14 04 06.0 V 089
2019-10-19 12:31:47 C 04 04 25.80 +13 31 26.8 V T05
2019-10-19 12:41:04 C 04 04 27.14 +13 31 18.6 V T05
2019-10-19 12:46:23 C 04 04 27.92 +13 31 13.9 V T05
2019-10-19 13:02:16 C 04 04 30.23 +13 31 00.0 V T05
2019-10-20 07:38:01 C 04 07 32.55 +13 14 32.3 U I41
2019-10-20 07:51:04 C 04 07 34.41 +13 14 21.5 U I41
2019-10-20 07:53:02 C 04 07 34.69 +13 14 19.9 U I41
2019-10-20 07:53:41 C 04 07 34.79 +13 14 19.4 U I41
2019-10-20 23:50:54 C 04 09 59.31 +13 00 33.7 V 089
2019-10-20 23:54:17 C 04 09 59.78 +13 00 30.8 V 089
2019-10-20 23:57:40 C 04 10 00.24 +13 00 28.0 V 089
2019-10-21 00:01:03 C 04 10 00.70 +13 00 25.1 V 089
2019-10-21 00:04:26 C 04 10 01.16 +13 00 22.3 V 089
2019-10-21 00:07:49 C 04 10 01.61 +13 00 19.6 V 089
2019-10-21 00:11:12 C 04 10 02.07 +13 00 16.6 V 089
2019-10-21 00:14:35 C 04 10 02.52 +13 00 13.8 V 089
2019-10-21 00:17:58 C 04 10 02.98 +13 00 11.0 V 089
2019-10-21 00:21:22 C 04 10 03.44 +13 00 08.2 V 089
2019-10-21 12:45:22 C 04 11 52.55 +12 50 19.0 V T08
2019-10-21 12:49:31 C 04 11 53.07 +12 50 15.6 V T08
2019-10-21 12:57:17 C 04 11 54.04 +12 50 09.1 V T08
2019-10-21 13:12:47 C 04 11 55.97 +12 49 56.2 V T08
2019-10-21 20:41:01 C 04 13 03.16 +12 43 09.4 V G34
2019-10-21 20:43:35 C 04 13 03.50 +12 43 07.1 V G34
2019-10-21 21:04:05 C 04 13 06.28 +12 42 51.1 V G34
2019-10-22 09:32:15 C 04 14 46.87 +12 33 11.7 V 703
2019-10-22 09:39:55 C 04 14 47.77 +12 33 03.4 V 703
2019-10-22 09:47:34 C 04 14 48.68 +12 32 58.2 V 703
2019-10-22 09:55:14 C 04 14 49.59 +12 32 52.0 V 703
2019-10-22 12:18:40 C 04 15 09.58 +12 31 10.5 V T05
2019-10-22 12:25:01 C 04 15 10.32 +12 31 05.4 V T05
2019-10-22 12:32:22 C 04 15 11.17 +12 30 59.7 V T05
2019-10-22 12:48:05 C 04 15 13.00 +12 30 47.1 V T05
2019-10-22 22:24:23 C 04 16 31.26 +12 22 37.6 V 113
2019-10-22 22:29:52 C 04 16 31.92 +12 22 33.6 V 113
2019-10-22 22:35:17 C 04 16 32.59 +12 22 29.1 V 113
2019-10-23 01:48:49 C 04 16 55.48 +12 20 06.7 q 160
2019-10-23 01:51:42 C 04 16 55.81 +12 20 04.4 q 160
2019-10-23 01:54:36 C 04 16 56.14 +12 20 02.1 q 160
2019-10-23 12:13:10 C 04 18 15.34 +12 12 27.4 V T05
2019-10-23 12:17:25 C 04 18 15.79 +12 12 24.2 V T05
2019-10-23 12:25:04 C 04 18 16.61 +12 12 18.3 V T05
2019-10-23 12:47:43 C 04 18 19.02 +12 12 00.9 V T05
2019-10-24 14:06:48 C 04 21 19.537 +11 52 57.97 U F51
2019-10-24 14:22:45 C 04 21 21.112 +11 52 45.88 U F51
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)