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
2004-09-17 05:35:48 C 00 19 04.75 -05 23 58.8 19.6 c 704
2004-09-17 05:53:31 C 00 19 03.53 -05 24 08.8 20.1 c 704
2004-09-17 06:10:54 C 00 19 02.28 -05 24 15.4 20.1 c 704
2004-09-17 06:28:06 C 00 19 01.02 -05 24 24.0 o 704
2004-09-17 06:45:17 C 00 18 59.81 -05 24 31.5 20.2 c 704
2004-10-04 09:32:20 C 23 51 13.69 -08 09 47.9 c G90
2004-10-05 05:31:29 C 23 50 00.98 -08 15 51.6 c G90
2004-10-05 05:35:57 C 23 50 00.65 -08 15 52.7 c G90
2004-10-05 05:40:27 C 23 50 00.39 -08 15 53.8 c G90
2006-11-18 09:37:03 C 07 05 46.47 +20 37 23.8 19.7 c 704
2006-11-18 09:54:54 C 07 05 46.86 +20 37 24.4 19.7 c 704
2006-11-18 10:12:50 C 07 05 47.31 +20 37 26.0 19.5 c 704
2006-11-18 10:30:43 C 07 05 47.69 +20 37 26.4 19.7 c 704
2006-12-11 08:17:25 C 07 06 29.08 +21 51 15.3 c 691
2006-12-11 08:42:28 C 07 06 28.27 +21 51 21.7 c 691
2006-12-11 09:07:37 C 07 06 27.44 +21 51 27.8 c 691
2006-12-13 20:29:48 C 07 04 36.53 +22 06 35.9 c A94
2006-12-13 20:35:31 C 07 04 36.29 +22 06 36.7 c A94
2006-12-13 20:42:37 C 07 04 36.10 +22 06 38.0 c A94
2006-12-14 08:02:15 C 07 04 11.26 +22 09 52.2 18.3 c 704
2006-12-14 08:21:14 C 07 04 10.49 +22 09 57.9 18.6 c 704
2006-12-14 08:23:58 C 07 04 10.53 +22 09 58.4 o 644
2006-12-14 08:40:14 C 07 04 09.70 +22 10 03.1 18.6 c 704
2006-12-14 08:53:46 C 07 04 09.27 +22 10 06.6 o 644
2006-12-14 08:59:14 C 07 04 08.88 +22 10 08.4 18.6 c 704
2006-12-14 09:18:14 C 07 04 08.12 +22 10 13.3 18.7 c 704
2006-12-14 09:24:02 C 07 04 08.05 +22 10 15.2 o 644
2006-12-14 23:10:20 C 07 03 37.66 +22 14 00.9 18.5 r 130
2006-12-14 23:13:24 C 07 03 37.50 +22 14 01.6 18.5 r 130
2006-12-14 23:16:51 C 07 03 37.32 +22 14 02.4 18.8 r 130
2006-12-14 23:19:44 C 07 03 37.21 +22 14 03.2 18.8 r 130
2006-12-15 07:43:45 C 07 03 17.69 +22 16 31.4 c 691
2006-12-15 08:08:47 C 07 03 16.57 +22 16 38.4 c 691
2006-12-15 08:21:52 C 07 03 15.81 +22 16 40.6 18.5 c 704
2006-12-15 08:33:49 C 07 03 15.46 +22 16 45.6 c 691
2006-12-15 08:40:50 C 07 03 15.04 +22 16 47.5 18.6 c 704
2006-12-15 08:59:53 C 07 03 14.19 +22 16 52.7 18.9 c 704
2006-12-15 09:12:25 C 07 03 13.68 +22 16 56.9 r 703
2006-12-15 09:18:11 C 07 03 13.42 +22 16 58.9 r 703
2006-12-15 09:23:57 C 07 03 13.17 +22 16 59.9 r 703
2006-12-15 09:29:44 C 07 03 12.88 +22 17 01.4 r 703
2006-12-16 08:10:24 C 07 02 17.77 +22 23 37.2 r G96
2006-12-16 08:13:12 C 07 02 17.62 +22 23 38.0 r G96
2006-12-16 08:15:58 C 07 02 17.48 +22 23 39.1 r G96
2006-12-16 08:18:48 C 07 02 17.34 +22 23 39.9 r G96
2006-12-16 11:18:55 C 07 02 08.89 +22 24 32.2 o 644
2006-12-16 11:20:38 C 07 02 08.81 +22 24 32.8 o 644
2006-12-16 11:50:46 C 07 02 07.38 +22 24 41.1 o 644
2006-12-16 11:52:29 C 07 02 07.34 +22 24 42.0 o 644
2006-12-16 12:21:00 C 07 02 05.99 +22 24 49.4 o 644
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)