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
2001-12-15 06:31:46 C 03 48 19.91 +07 16 02.0 18.0 c 704
2001-12-17 03:22:01 C 03 50 40.42 +07 37 26.7 o 644
2001-12-17 03:50:21 C 03 50 41.74 +07 37 40.8 o 644
2001-12-17 04:20:10 C 03 50 43.16 +07 37 54.7 o 644
2001-12-24 07:14:16 C 03 59 24.39 +08 57 48.1 19.2 c 608
2001-12-24 07:29:26 C 03 59 25.10 +08 57 54.9 19.3 c 608
2001-12-24 07:44:48 C 03 59 25.78 +08 58 02.6 19.3 c 608
2002-01-04 07:59:33 C 04 12 58.72 +10 54 15.1 o 608
2002-01-08 04:27:58 C 04 17 51.996 +11 32 24.76 W 644
2002-01-08 04:59:08 C 04 17 53.542 +11 32 37.54 W 644
2002-01-08 05:27:01 C 04 17 54.943 +11 32 48.66 W 644
2002-01-08 06:20:54 C 04 17 58.20 +11 33 12.9 20.2 c 608
2002-01-08 06:36:04 C 04 17 58.96 +11 33 19.7 21.0 c 608
2002-01-08 06:51:50 C 04 17 59.74 +11 33 25.5 20.3 c 608
2002-01-09 04:10:10 C 04 19 08.210 +11 41 59.96 W 644
2002-01-09 04:40:23 C 04 19 09.763 +11 42 11.45 W 644
2002-01-09 05:10:31 C 04 19 11.220 +11 42 23.90 W 644
2002-01-09 19:01:50 C 04 19 56.21 +11 47 54.4 209
2002-01-09 19:22:53 C 04 19 57.29 +11 48 02.3 209
2002-01-09 19:44:13 C 04 19 58.41 +11 48 11.3 209
2002-01-09 21:03:10 C 04 20 02.47 +11 48 43.4 209
2002-01-09 21:11:53 C 04 20 02.92 +11 48 46.8 209
2002-01-09 21:19:25 C 04 20 03.29 +11 48 49.8 209
2002-01-15 05:21:44 C 04 27 04.76 +12 38 41.5 711
2002-01-15 05:37:48 C 04 27 05.62 +12 38 47.1 711
2002-01-15 05:53:51 C 04 27 06.48 +12 38 52.7 711
2006-02-22 09:23:47 C 09 53 58.74 +07 33 28.4 d 291
2006-02-22 09:29:23 C 09 53 58.41 +07 33 30.2 d 291
2006-02-24 05:11:02 C 09 51 59.77 +07 46 42.7 d 291
2006-02-24 05:23:35 C 09 51 59.28 +07 46 46.3 d 291
2006-02-24 05:36:04 C 09 51 58.73 +07 46 49.5 d 291
2008-06-27 03:03:38 C 16 31 13.63 -14 54 37.8 o H55
2008-06-27 03:20:50 C 16 31 12.68 -14 54 35.7 o H55
2008-06-27 03:38:17 C 16 31 11.67 -14 54 33.5 o H55
2009-01-16 01:46:17 C 23 48 07.739 -03 08 46.56 645
2009-01-16 01:47:29 C 23 48 07.953 -03 08 45.22 645
2009-01-16 01:51:04 C 23 48 08.574 -03 08 41.95 645
2013-01-18 08:09:23 C 08 59 52.76 +09 29 30.3 r G96
2013-01-18 08:18:41 C 08 59 52.18 +09 29 33.0 r G96
2013-01-18 08:28:01 C 08 59 51.57 +09 29 34.1 r G96
2013-01-18 08:37:30 C 08 59 51.07 +09 29 38.1 r G96
2013-02-03 08:23:53 C 08 38 03.762 +11 21 43.86 L F51
2013-02-03 08:44:57 C 08 38 02.614 +11 21 50.13 L F51
2013-02-03 08:47:00 C 08 38 02.506 +11 21 50.62 L F51
2013-02-03 09:06:10 C 08 38 01.454 +11 21 56.38 L F51
2013-02-03 09:08:11 C 08 38 01.349 +11 21 56.91 L F51
2015-05-20 06:29:39 C 15 40 13.80 -15 16 23.2 L W84
2015-05-20 06:34:16 C 15 40 13.56 -15 16 22.2 L W84
2015-05-20 06:38:56 C 15 40 13.32 -15 16 21.2 L W84
2015-05-20 06:43:34 C 15 40 13.09 -15 16 20.2 L W84
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)