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
2012-03-01 04:41:49 C 09 15 48.45 +38 48 39.0 r 703
2012-03-01 04:51:35 C 09 15 48.38 +38 48 46.4 r 703
2012-03-01 05:01:22 C 09 15 48.24 +38 48 55.5 r 703
2012-03-05 17:58:35 C 09 18 19.63 +40 11 44.1 u C73
2012-03-05 17:59:45 C 09 18 19.63 +40 11 45.0 u C73
2012-03-05 18:00:56 C 09 18 19.67 +40 11 45.9 u C73
2012-03-05 18:02:06 C 09 18 19.68 +40 11 46.8 u C73
2012-03-05 18:03:16 C 09 18 19.69 +40 11 47.7 u C73
2012-03-05 18:04:26 C 09 18 19.72 +40 11 48.6 u C73
2012-03-05 18:05:36 C 09 18 19.73 +40 11 49.5 u C73
2012-03-05 18:06:46 C 09 18 19.75 +40 11 50.4 u C73
2012-03-05 18:07:56 C 09 18 19.77 +40 11 51.4 u C73
2012-03-05 18:09:06 C 09 18 19.79 +40 11 52.3 u C73
2012-03-05 18:10:16 C 09 18 19.81 +40 11 53.1 u C73
2012-03-05 18:11:26 C 09 18 19.85 +40 11 54.0 u C73
2012-03-05 18:12:36 C 09 18 19.86 +40 11 55.0 u C73
2012-03-05 18:13:45 C 09 18 19.88 +40 11 55.7 u C73
2012-03-05 18:14:55 C 09 18 19.90 +40 11 56.7 u C73
2012-03-05 18:16:06 C 09 18 19.91 +40 11 57.5 u C73
2012-03-05 18:17:16 C 09 18 19.94 +40 11 58.5 u C73
2012-03-05 18:18:25 C 09 18 19.96 +40 11 59.5 u C73
2012-03-05 22:01:28 C 09 18 26.76 +40 14 57.2 w J51
2012-03-05 22:13:41 C 09 18 26.92 +40 15 06.5 w J51
2012-03-05 22:22:51 C 09 18 27.03 +40 15 13.1 w J51
2012-03-09 03:33:57 C 09 21 29.51 +41 04 45.2 P 716
2012-03-09 04:06:18 C 09 21 30.38 +41 05 06.3 P 716
2012-03-09 04:47:39 C 09 21 31.45 +41 05 32.0 P 716
2012-03-09 05:44:34 C 09 21 32.92 +41 06 05.6 P 716
2012-03-09 21:44:26 C 09 22 21.92 +41 15 33.0 u J51
2012-03-09 21:56:36 C 09 22 22.23 +41 15 40.6 u J51
2012-03-09 22:08:46 C 09 22 22.56 +41 15 48.3 u J51
2012-03-11 03:10:21 C 09 23 55.21 +41 31 36.1 o G48
2012-03-11 03:15:34 C 09 23 55.35 +41 31 39.6 o G48
2012-03-11 03:16:43 C 09 23 55.44 +41 31 39.7 o G48
2012-03-11 03:20:49 C 09 23 55.56 +41 31 42.5 o G48
2012-03-11 03:22:30 C 09 23 55.61 +41 31 43.5 o G48
2012-03-13 02:37:16 C 09 26 37.73 +41 54 36.1 c J19
2012-03-13 02:46:44 C 09 26 38.25 +41 54 39.3 c J19
2012-03-13 02:56:11 C 09 26 38.78 +41 54 41.9 c J19
2012-03-13 03:05:38 C 09 26 39.36 +41 54 44.8 c J19
2012-03-13 03:15:06 C 09 26 39.93 +41 54 47.5 c J19
2012-03-13 03:24:33 C 09 26 40.49 +41 54 50.5 c J19
2012-03-13 03:32:25 C 09 26 40.97 +41 54 52.6 c J19
2012-03-13 08:04:22 C 09 26 59.06 +41 57 16.0 u H45
2012-03-13 08:06:11 C 09 26 59.17 +41 57 16.4 u H45
2012-03-13 08:07:56 C 09 26 59.26 +41 57 16.9 u H45
2012-03-13 08:09:14 C 09 26 59.32 +41 57 17.4 u H45
2012-03-13 08:10:26 C 09 26 59.39 +41 57 17.7 u H45
2012-03-13 11:12:35 C 09 27 18.13 +41 58 55.2 u 379
2012-03-13 11:15:17 C 09 27 18.27 +41 58 56.7 u 379
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)