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
2012-04-17 00:38:53 C 11 28 33.87 +35 20 26.5 16.2 o C60
2012-04-17 00:40:02 C 11 28 34.08 +35 20 24.9 16.3 o C60
2012-04-17 01:56:31 C 11 28 48.43 +35 18 07.2 16.3 o C60
2012-04-17 01:57:40 C 11 28 48.66 +35 18 05.5 16.3 o C60
2012-04-17 01:58:50 C 11 28 48.83 +35 18 04.3 16.3 o C60
2012-04-17 02:42:58 C 11 28 57.39 +35 16 43.4 16.3 o C60
2012-04-17 02:44:07 C 11 28 57.60 +35 16 41.9 16.3 o C60
2012-04-17 02:45:16 C 11 28 57.77 +35 16 40.2 16.3 o C60
2012-04-17 16:56:51 C 11 31 45.17 +34 53 07.4 o 300
2012-04-17 17:06:03 C 11 31 46.88 +34 52 49.6 o 300
2012-04-17 17:08:21 C 11 31 47.31 +34 52 45.7 o 300
2012-04-17 17:10:39 C 11 31 47.68 +34 52 41.3 o 300
2012-04-17 17:12:58 C 11 31 48.16 +34 52 37.3 o 300
2012-04-20 23:05:05 C 11 47 10.93 +32 29 34.1 c A24
2012-04-20 23:06:09 C 11 47 11.10 +32 29 32.1 c A24
2012-04-21 00:22:36 C 11 47 24.83 +32 26 56.2 c A24
2012-04-21 00:23:41 C 11 47 25.01 +32 26 54.2 c A24
2012-04-21 04:02:49 C 11 48 12.72 +32 20 12.0 H06
2012-04-21 04:18:14 C 11 48 15.36 +32 19 42.3 H06
2012-04-21 04:52:15 C 11 48 21.18 +32 18 35.5 H06
2012-04-21 05:26:06 C 11 48 24.60 +32 17 12.8 v I51
2012-04-21 05:38:13 C 11 48 26.74 +32 16 47.7 v I51
2012-04-21 05:50:17 C 11 48 28.89 +32 16 22.7 v I51
2012-04-21 21:47:26 C 11 51 39.99 +31 44 23.0 u J93
2012-04-21 21:53:30 C 11 51 41.07 +31 44 10.7 u J93
2012-04-21 21:56:33 C 11 51 41.62 +31 44 04.5 u J93
2012-04-23 20:57:37 C 12 00 47.60 +30 06 18.6 u C40
2012-04-23 20:59:09 C 12 00 47.87 +30 06 15.2 u C40
2012-04-23 21:00:40 C 12 00 48.14 +30 06 11.8 u C40
2012-04-23 21:02:13 C 12 00 48.41 +30 06 08.4 u C40
2012-04-23 21:03:44 C 12 00 48.68 +30 06 05.1 u C40
2012-04-23 21:05:16 C 12 00 48.94 +30 06 01.7 u C40
2012-04-23 21:06:47 C 12 00 49.21 +30 05 58.3 u C40
2012-04-23 21:08:20 C 12 00 49.48 +30 05 54.9 u C40
2012-04-23 21:09:51 C 12 00 49.75 +30 05 51.5 u C40
2012-04-23 21:11:23 C 12 00 50.02 +30 05 48.2 u C40
2012-04-23 21:12:55 C 12 00 50.28 +30 05 44.8 u C40
2012-04-23 21:14:27 C 12 00 50.55 +30 05 41.4 u C40
2012-04-23 21:15:59 C 12 00 50.82 +30 05 37.9 u C40
2012-04-23 21:17:30 C 12 00 51.09 +30 05 34.7 u C40
2012-04-23 21:19:02 C 12 00 51.35 +30 05 31.2 u C40
2012-04-23 21:20:33 C 12 00 51.62 +30 05 27.9 u C40
2012-04-23 21:22:05 C 12 00 51.89 +30 05 24.5 u C40
2012-04-23 21:23:37 C 12 00 52.16 +30 05 21.1 u C40
2012-04-23 21:25:09 C 12 00 52.43 +30 05 17.7 u C40
2012-04-23 21:26:40 C 12 00 52.70 +30 05 14.3 u C40
2012-04-23 21:27:15 C 12 00 52.80 +30 05 13.0 u C40
2012-04-23 21:28:47 C 12 00 53.07 +30 05 09.7 u C40
2012-04-23 21:30:18 C 12 00 53.33 +30 05 06.3 u C40
2012-04-23 21:31:50 C 12 00 53.60 +30 05 02.9 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)