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
2019-12-04 09:40:56 C 04 44 26.501 +08 25 25.55 U F52
2019-12-05 09:30:06 C 04 44 13.23 +08 29 38.4 V T05
2019-12-05 09:34:47 C 04 44 13.17 +08 29 39.3 V T05
2019-12-05 09:43:24 C 04 44 13.01 +08 29 41.0 V T05
2019-12-05 09:58:08 C 04 44 12.77 +08 29 43.7 V T05
2019-12-07 08:25:09 C 04 43 47.63 +08 38 34.7 q H45
2019-12-07 08:27:11 C 04 43 47.61 +08 38 35.3 q H45
2019-12-07 08:28:32 C 04 43 47.59 +08 38 35.8 q H45
2019-12-07 08:30:37 C 04 43 47.55 +08 38 35.9 q H45
2019-12-07 08:32:55 C 04 43 47.53 +08 38 36.5 q H45
2019-12-07 08:34:36 C 04 43 47.50 +08 38 36.6 q H45
2019-12-07 08:56:03 C 04 43 48.73 +08 38 48.4 V T08
2019-12-07 09:00:42 C 04 43 48.65 +08 38 49.3 V T08
2019-12-07 09:11:25 C 04 43 48.51 +08 38 51.7 V T08
2019-12-07 09:26:06 C 04 43 48.28 +08 38 54.5 V T08
2019-12-08 03:28:20 C 04 43 40.10 +08 42 30.2 u H21
2019-12-08 03:30:44 C 04 43 40.06 +08 42 30.5 u H21
2019-12-08 03:33:23 C 04 43 40.03 +08 42 31.3 u H21
2019-12-08 03:35:54 C 04 43 39.99 +08 42 31.9 u H21
2019-12-08 03:38:17 C 04 43 39.97 +08 42 32.4 u H21
2019-12-08 03:40:48 C 04 43 39.94 +08 42 33.0 u H21
2019-12-08 03:43:19 C 04 43 39.90 +08 42 33.4 u H21
2019-12-08 03:45:50 C 04 43 39.88 +08 42 34.0 u H21
2019-12-08 03:48:21 C 04 43 39.84 +08 42 34.6 u H21
2019-12-08 03:50:53 C 04 43 39.81 +08 42 35.0 u H21
2019-12-08 03:53:24 C 04 43 39.77 +08 42 35.7 u H21
2019-12-08 03:55:55 C 04 43 39.74 +08 42 36.2 u H21
2019-12-08 03:58:27 C 04 43 39.71 +08 42 36.7 u H21
2019-12-08 04:00:58 C 04 43 39.67 +08 42 37.2 u H21
2019-12-08 04:03:29 C 04 43 39.64 +08 42 37.7 u H21
2019-12-08 04:06:15 C 04 43 39.60 +08 42 38.3 u H21
2019-12-08 08:16:33 C 04 43 37.94 +08 43 39.5 V T08
2019-12-08 08:24:34 C 04 43 37.81 +08 43 41.3 V T08
2019-12-08 08:28:45 C 04 43 37.76 +08 43 42.1 V T08
2019-12-08 08:48:23 C 04 43 37.46 +08 43 46.4 V T08
2019-12-15 10:50:32 C 04 42 45.45 +09 24 57.4 V T08
2019-12-15 10:54:37 C 04 42 45.42 +09 24 58.5 V T08
2019-12-15 11:03:22 C 04 42 45.35 +09 25 00.7 V T08
2019-12-15 11:18:42 C 04 42 45.23 +09 25 04.7 V T08
2019-12-16 08:30:33 C 04 42 43.12 +09 30 43.8 o 691
2019-12-16 08:59:39 C 04 42 42.97 +09 30 52.0 o 691
2019-12-16 09:25:30 C 04 42 42.80 +09 30 58.6 o 691
2019-12-16 10:17:39 C 04 42 43.33 +09 31 17.9 V T08
2019-12-16 10:21:53 C 04 42 43.30 +09 31 18.8 V T08
2019-12-16 10:33:30 C 04 42 43.21 +09 31 22.3 V T08
2019-12-16 10:49:00 C 04 42 43.11 +09 31 26.3 V T08
2019-12-16 10:53:14 C 04 42 43.100 +09 31 27.03 U F51
2019-12-16 11:09:04 C 04 42 42.995 +09 31 31.29 U F51
2019-12-16 11:24:53 C 04 42 42.888 +09 31 35.47 U F51
2019-12-16 11:40:39 C 04 42 42.792 +09 31 39.67 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)