141018 (2001 WC47)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2410885219 ± 2.37e-09
Semi-major axis (a)1.3986835315 AU ± 4.83e-10
Inclination (i)2.86931443° ± 3.16e-07
Long. of Asc. Node (Ω)91.59689055° ± 9.08e-06
Arg. of Perihelion (ω)101.46958094° ± 8.15e-06
Mean Anomaly (M)84.09314752° ± 1.97e-06
Mean Motion (n)0.5958447047°/day ± 3.09e-10
Perihelion dist (q)1.06147699 AU ± 3.34e-09
Aphelion dist (Q)1.73589008 AU ± 3.37e-09
Orbital Period1.65416639 yr ± 8.57e-10
Physical Parameters
H (abs. magnitude)19.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.274″
Uncertainty0
Orbit TypeAmor
MOID0.078185 AU
Observations Used1601
Radar Obs Used4
Oppositions8
Arc Total1991-2012
First Observation Used1991-12-07
Last Observation Used2025-03-20
Observations (1697)
Date Type RA Dec Mag Band Observatory
2012-04-23 21:33:21 C 12 00 53.87 +30 04 59.5 u C40
2012-04-23 21:34:54 C 12 00 54.14 +30 04 56.0 u C40
2012-04-23 21:37:57 C 12 00 54.68 +30 04 49.3 u C40
2012-04-23 21:41:01 C 12 00 55.23 +30 04 42.4 u C40
2012-04-23 21:42:33 C 12 00 55.50 +30 04 39.0 u C40
2012-04-23 21:44:05 C 12 00 55.76 +30 04 35.6 u C40
2012-04-23 21:45:37 C 12 00 56.04 +30 04 32.2 u C40
2012-04-23 21:47:09 C 12 00 56.31 +30 04 28.7 u C40
2012-04-23 21:48:41 C 12 00 56.58 +30 04 25.4 u C40
2012-04-23 21:50:13 C 12 00 56.85 +30 04 21.9 u C40
2012-04-23 21:51:45 C 12 00 57.12 +30 04 18.6 u C40
2012-04-23 21:53:16 C 12 00 57.40 +30 04 15.0 u C40
2012-04-23 21:54:49 C 12 00 57.66 +30 04 11.7 u C40
2012-04-23 21:56:20 C 12 00 57.93 +30 04 08.4 u C40
2012-04-23 22:00:07 C 12 00 58.60 +30 04 00.0 u C40
2012-04-23 22:01:39 C 12 00 58.87 +30 03 56.5 u C40
2012-04-23 22:03:11 C 12 00 59.15 +30 03 53.1 u C40
2012-04-23 22:04:42 C 12 00 59.42 +30 03 49.7 u C40
2012-04-23 22:06:14 C 12 00 59.70 +30 03 46.3 u C40
2012-04-23 22:07:45 C 12 00 59.96 +30 03 42.8 u C40
2012-04-23 22:09:18 C 12 01 00.24 +30 03 39.4 u C40
2012-04-23 22:10:50 C 12 01 00.51 +30 03 35.9 u C40
2012-04-23 22:12:22 C 12 01 00.78 +30 03 32.5 u C40
2012-04-23 22:13:54 C 12 01 01.05 +30 03 29.2 u C40
2012-04-23 22:15:26 C 12 01 01.33 +30 03 25.7 u C40
2012-04-23 22:16:58 C 12 01 01.60 +30 03 22.2 u C40
2012-04-23 22:18:29 C 12 01 01.88 +30 03 18.8 u C40
2012-04-23 22:20:01 C 12 01 02.15 +30 03 15.3 u C40
2012-04-23 22:21:33 C 12 01 02.42 +30 03 12.0 u C40
2012-04-23 22:23:05 C 12 01 02.70 +30 03 08.4 u C40
2012-04-23 22:24:36 C 12 01 02.96 +30 03 05.0 u C40
2012-04-23 22:26:08 C 12 01 03.24 +30 03 01.6 u C40
2012-04-23 22:27:40 C 12 01 03.52 +30 02 58.2 u C40
2012-04-23 22:29:12 C 12 01 03.79 +30 02 54.8 u C40
2012-04-23 22:30:49 C 12 01 04.08 +30 02 51.1 u C40
2012-04-23 22:32:20 C 12 01 04.36 +30 02 47.5 u C40
2012-04-23 22:33:52 C 12 01 04.63 +30 02 44.2 u C40
2012-04-23 22:35:24 C 12 01 04.92 +30 02 40.7 u C40
2012-04-23 22:36:55 C 12 01 05.19 +30 02 37.3 u C40
2012-04-23 22:38:27 C 12 01 05.45 +30 02 33.9 u C40
2012-04-23 22:39:58 C 12 01 05.73 +30 02 30.7 u C40
2012-04-23 22:41:30 C 12 01 06.01 +30 02 27.1 u C40
2012-04-23 22:44:34 C 12 01 06.56 +30 02 20.3 u C40
2012-04-23 22:46:05 C 12 01 06.84 +30 02 16.7 u C40
2012-04-23 22:47:37 C 12 01 07.12 +30 02 13.2 u C40
2012-04-23 22:50:41 C 12 01 07.67 +30 02 06.5 u C40
2012-04-23 22:52:13 C 12 01 07.95 +30 02 02.9 u C40
2012-04-23 22:53:44 C 12 01 08.23 +30 01 59.3 u C40
2012-04-23 22:55:16 C 12 01 08.51 +30 01 55.8 u C40
2012-04-23 22:58:19 C 12 01 09.04 +30 01 49.1 u C40
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-02-23 03:49:00 144453538.71 1 us 2380 -1 -1
2012-02-24 03:41:00 142926781.41 1 us 2380 -1 -1
2012-04-25 01:34:00 101829197.45 8 us 2380 -1 -1
2012-04-27 02:37:00 102564234.66 2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)