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
2019-07-24 23:46:09 C 21 28 30.05 +00 06 11.8 q 160
2019-07-24 23:49:03 C 21 28 30.14 +00 06 13.4 q 160
2019-07-24 23:51:55 C 21 28 30.18 +00 06 15.0 q 160
2019-07-26 13:22:59 C 21 29 44.99 +00 30 17.5 V T05
2019-07-26 13:27:45 C 21 29 45.13 +00 30 20.3 V T05
2019-07-26 13:35:17 C 21 29 45.34 +00 30 25.1 V T05
2019-07-30 10:01:10 C 21 32 56.65 +01 30 34.2 V T05
2019-07-30 10:10:13 C 21 32 56.92 +01 30 40.2 V T05
2019-07-30 10:14:35 C 21 32 57.03 +01 30 43.1 V T05
2019-07-30 10:29:30 C 21 32 57.47 +01 30 53.0 V T05
2019-08-01 13:28:56 C 21 34 44.76 +02 04 52.0 V T08
2019-08-01 13:38:43 C 21 34 45.03 +02 04 58.4 V T08
2019-08-01 13:55:20 C 21 34 45.53 +02 05 09.4 V T08
2019-08-03 23:42:48 C 21 36 55.07 +02 44 12.2 q 160
2019-08-03 23:45:40 C 21 36 55.15 +02 44 14.2 q 160
2019-08-03 23:48:38 C 21 36 55.23 +02 44 16.3 q 160
2019-08-05 11:08:18 C 21 38 17.14 +03 08 48.8 V T08
2019-08-05 11:14:00 C 21 38 17.32 +03 08 52.9 V T08
2019-08-05 11:21:52 C 21 38 17.57 +03 08 58.4 V T08
2019-08-05 11:36:15 C 21 38 18.01 +03 09 08.2 V T08
2019-08-06 23:09:44 C 21 39 44.53 +03 33 49.6 q 160
2019-08-06 23:12:39 C 21 39 44.63 +03 33 51.6 q 160
2019-08-06 23:15:37 C 21 39 44.73 +03 33 53.8 q 160
2019-08-07 09:07:48 C 21 40 09.94 +03 41 01.5 V T05
2019-08-07 09:11:57 C 21 40 10.08 +03 41 04.3 V T05
2019-08-07 09:20:44 C 21 40 10.38 +03 41 10.4 V T05
2019-08-07 09:36:07 C 21 40 10.90 +03 41 21.4 V T05
2019-08-07 22:28:03 C 21 40 43.32 +03 50 14.3 V Z80
2019-08-07 22:33:02 C 21 40 43.48 +03 50 17.9 V Z80
2019-08-07 22:38:12 C 21 40 43.71 +03 50 20.7 V Z80
2019-08-09 10:21:25 C 21 42 16.711 +04 16 10.99 U F52
2019-08-09 10:57:06 C 21 42 17.993 +04 16 36.80 U F52
2019-08-09 11:14:56 C 21 42 18.630 +04 16 49.63 U F52
2019-08-09 23:07:37 C 21 42 51.21 +04 25 14.1 q 160
2019-08-09 23:10:45 C 21 42 51.33 +04 25 16.4 q 160
2019-08-09 23:13:54 C 21 42 51.44 +04 25 18.6 q 160
2019-08-10 22:02:54 C 21 43 54.73 +04 41 54.8 V 089
2019-08-10 22:06:20 C 21 43 54.87 +04 41 57.6 V 089
2019-08-10 22:13:10 C 21 43 55.17 +04 42 02.6 V 089
2019-08-10 22:16:35 C 21 43 55.28 +04 42 04.9 V 089
2019-08-10 22:21:10 C 21 43 56.05 +04 42 10.1 q 160
2019-08-10 22:23:25 C 21 43 55.55 +04 42 10.5 V 089
2019-08-10 22:24:08 C 21 43 56.18 +04 42 12.1 q 160
2019-08-10 22:27:05 C 21 43 56.29 +04 42 14.3 q 160
2019-08-10 22:30:15 C 21 43 55.83 +04 42 15.4 V 089
2019-08-10 22:33:40 C 21 43 55.99 +04 42 17.8 V 089
2019-08-11 22:28:11 C 21 45 04.96 +04 59 55.4 V 089
2019-08-11 22:31:36 C 21 45 05.09 +04 59 57.8 V 089
2019-08-11 22:35:01 C 21 45 05.22 +04 59 59.9 V 089
2019-08-11 22:41:51 C 21 45 05.51 +05 00 04.2 V 089
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)