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
2019-10-04 00:55:50 C 02 25 27.48 +19 15 09.7 q 160
2019-10-04 00:58:50 C 02 25 28.52 +19 15 07.6 q 160
2019-10-04 01:01:53 C 02 25 29.58 +19 15 05.5 q 160
2019-10-05 00:22:37 C 02 34 01.04 +18 57 20.6 14.9 r 238
2019-10-05 00:29:10 C 02 34 03.30 +18 57 15.8 15.0 r 238
2019-10-05 00:33:41 C 02 34 04.86 +18 57 12.5 15.0 r 238
2019-10-05 07:55:55 C 02 36 43.97 +18 52 00.8 V 703
2019-10-05 08:03:29 C 02 36 46.44 +18 51 55.8 V 703
2019-10-05 08:11:04 C 02 36 49.01 +18 51 49.1 V 703
2019-10-05 08:18:38 C 02 36 51.51 +18 51 43.3 V 703
2019-10-05 08:58:39 C 02 37 05.43 +18 51 09.8 U I41
2019-10-05 08:59:19 C 02 37 05.64 +18 51 09.3 U I41
2019-10-05 09:23:45 C 02 37 13.73 +18 50 50.0 U I41
2019-10-05 09:24:25 C 02 37 13.95 +18 50 49.5 U I41
2019-10-05 09:24:42 C 02 37 17.73 +18 51 04.7 V T08
2019-10-05 09:44:45 C 02 37 24.42 +18 50 50.0 V T08
2019-10-05 09:49:24 C 02 37 25.96 +18 50 46.6 V T08
2019-10-05 09:57:29 C 02 37 28.61 +18 50 40.8 V T08
2019-10-05 21:22:12 C 02 41 29.42 +18 40 39.3 V 108
2019-10-05 21:26:28 C 02 41 30.86 +18 40 35.5 V 108
2019-10-05 21:27:33 C 02 41 31.24 +18 40 34.9 V 108
2019-10-05 21:29:41 C 02 41 31.97 +18 40 33.7 V 108
2019-10-05 21:30:47 C 02 41 32.34 +18 40 32.8 V 108
2019-10-06 02:08:29 C 02 43 03.61 +18 36 47.8 q 160
2019-10-06 02:11:26 C 02 43 04.57 +18 36 45.3 q 160
2019-10-06 02:14:25 C 02 43 05.55 +18 36 42.7 q 160
2019-10-06 18:11:50 C 02 48 36.03 +18 22 37.5 q 168
2019-10-06 18:19:50 C 02 48 38.67 +18 22 31.0 q 168
2019-10-06 19:20:50 C 02 48 58.51 +18 21 40.6 q 168
2019-10-06 20:36:49 C 02 49 22.99 +18 20 36.1 q 168
2019-10-07 09:31:13 C 02 53 42.31 +18 09 52.4 V T05
2019-10-07 09:35:11 C 02 53 43.54 +18 09 49.1 V T05
2019-10-07 09:47:45 C 02 53 47.40 +18 09 38.7 V T05
2019-10-07 10:05:35 C 02 53 52.87 +18 09 23.7 V T05
2019-10-07 11:00:10 C 02 54 09.48 +18 08 37.1 V T05
2019-10-08 02:37:07 C 02 59 07.82 +17 53 43.5 q 160
2019-10-08 02:40:05 C 02 59 08.66 +17 53 40.7 q 160
2019-10-08 02:43:03 C 02 59 09.56 +17 53 38.2 q 160
2019-10-08 08:47:08 C 03 01 06.99 +17 48 15.7 V 703
2019-10-08 08:54:42 C 03 01 09.20 +17 48 08.7 V 703
2019-10-08 09:02:17 C 03 01 11.40 +17 48 01.7 V 703
2019-10-08 09:09:50 C 03 01 13.60 +17 47 54.8 V 703
2019-10-08 10:15:29 C 03 01 36.976 +17 47 07.07 U F51
2019-10-08 10:30:19 C 03 01 41.302 +17 46 53.93 U F51
2019-10-08 10:45:13 C 03 01 45.622 +17 46 40.65 U F51
2019-10-08 11:00:06 C 03 01 49.936 +17 46 27.24 U F51
2019-10-08 23:16:35 C 03 05 36.02 +17 34 17.1 V 094
2019-10-08 23:19:31 C 03 05 36.87 +17 34 14.3 V 094
2019-10-09 01:15:40 C 03 06 11.84 +17 32 24.2 q 160
2019-10-09 01:18:36 C 03 06 12.67 +17 32 21.4 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)