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
2012-05-01 20:06:25 C 12 36 25.64 +22 39 29.0 o 071
2012-05-01 20:08:19 C 12 36 25.94 +22 39 24.3 o 071
2012-05-01 20:10:14 C 12 36 26.34 +22 39 19.7 o 071
2012-05-01 20:12:09 C 12 36 26.57 +22 39 14.6 o 071
2012-05-01 20:14:04 C 12 36 26.90 +22 39 09.6 o 071
2012-05-01 20:16:01 C 12 36 27.18 +22 39 05.3 o 071
2012-05-01 20:17:57 C 12 36 27.48 +22 39 00.2 o 071
2012-05-01 20:19:52 C 12 36 27.74 +22 38 54.2 o 071
2012-05-01 20:21:46 C 12 36 28.05 +22 38 51.0 o 071
2012-05-01 20:23:41 C 12 36 28.40 +22 38 45.8 o 071
2012-05-01 20:25:37 C 12 36 28.70 +22 38 41.1 o 071
2012-05-01 20:33:18 C 12 36 29.93 +22 38 21.8 o 071
2012-05-01 20:37:43 C 12 36 30.57 +22 38 11.3 o 071
2012-05-01 20:39:38 C 12 36 30.93 +22 38 06.1 o 071
2012-05-01 20:41:34 C 12 36 31.32 +22 38 01.4 o 071
2012-05-01 20:43:28 C 12 36 31.54 +22 37 56.4 o 071
2012-05-01 20:44:32 C 12 36 32.48 +22 37 41.4 u C01
2012-05-01 20:45:23 C 12 36 31.82 +22 37 51.8 o 071
2012-05-01 20:45:24 C 12 36 32.63 +22 37 39.1 u C01
2012-05-01 20:46:18 C 12 36 32.77 +22 37 36.8 u C01
2012-05-01 20:47:11 C 12 36 32.91 +22 37 34.7 u C01
2012-05-01 20:47:18 C 12 36 32.16 +22 37 46.7 o 071
2012-05-01 20:48:03 C 12 36 33.06 +22 37 32.6 u C01
2012-05-01 20:49:14 C 12 36 32.42 +22 37 42.4 o 071
2012-05-01 20:51:10 C 12 36 32.79 +22 37 36.9 o 071
2012-05-01 20:53:06 C 12 36 33.03 +22 37 32.8 o 071
2012-05-01 20:55:01 C 12 36 33.35 +22 37 27.4 o 071
2012-05-01 20:56:55 C 12 36 33.69 +22 37 22.7 o 071
2012-05-01 20:58:51 C 12 36 33.90 +22 37 19.0 o 071
2012-05-01 21:00:46 C 12 36 34.25 +22 37 13.5 o 071
2012-05-01 21:02:42 C 12 36 34.55 +22 37 08.6 o 071
2012-05-01 21:04:37 C 12 36 34.88 +22 37 03.7 o 071
2012-05-01 21:06:32 C 12 36 35.12 +22 36 59.2 o 071
2012-05-01 21:08:27 C 12 36 35.49 +22 36 53.9 o 071
2012-05-01 21:10:22 C 12 36 35.79 +22 36 48.9 o 071
2012-05-01 21:12:17 C 12 36 36.09 +22 36 44.5 o 071
2012-05-01 21:14:12 C 12 36 36.36 +22 36 40.0 o 071
2012-05-01 21:16:07 C 12 36 36.64 +22 36 35.1 o 071
2012-05-01 21:18:02 C 12 36 36.96 +22 36 30.2 o 071
2012-05-01 21:19:58 C 12 36 37.31 +22 36 25.3 o 071
2012-05-01 21:21:53 C 12 36 37.58 +22 36 20.7 o 071
2012-05-01 21:23:48 C 12 36 37.93 +22 36 15.4 o 071
2012-05-01 21:25:43 C 12 36 38.21 +22 36 10.7 o 071
2012-05-01 21:27:38 C 12 36 38.50 +22 36 06.0 o 071
2012-05-01 21:29:32 C 12 36 38.89 +22 36 01.8 o 071
2012-05-01 21:31:27 C 12 36 39.10 +22 35 56.5 o 071
2012-05-01 21:33:21 C 12 36 39.45 +22 35 51.3 o 071
2012-05-01 21:35:16 C 12 36 39.70 +22 35 44.9 o 071
2012-05-01 21:37:11 C 12 36 40.02 +22 35 41.9 o 071
2012-05-01 21:39:06 C 12 36 40.36 +22 35 36.9 o 071
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)