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 21:41:02 C 12 36 40.58 +22 35 32.8 o 071
2012-05-01 21:42:57 C 12 36 41.00 +22 35 25.2 o 071
2012-05-01 21:44:52 C 12 36 41.28 +22 35 22.4 o 071
2012-05-01 21:46:47 C 12 36 41.52 +22 35 20.4 o 071
2012-05-01 21:48:42 C 12 36 41.86 +22 35 12.9 o 071
2012-05-01 21:50:36 C 12 36 42.17 +22 35 08.1 o 071
2012-05-01 21:52:31 C 12 36 42.48 +22 35 03.3 o 071
2012-05-01 21:54:26 C 12 36 42.74 +22 34 57.1 o 071
2012-05-01 21:56:21 C 12 36 43.14 +22 34 53.1 o 071
2012-05-01 21:58:16 C 12 36 43.40 +22 34 48.7 o 071
2012-05-01 22:00:12 C 12 36 43.73 +22 34 43.2 o 071
2012-05-01 22:02:07 C 12 36 44.04 +22 34 38.8 o 071
2012-05-01 22:11:43 C 12 36 45.60 +22 34 14.3 o 071
2012-05-01 22:13:39 C 12 36 45.87 +22 34 09.6 o 071
2012-05-01 22:15:34 C 12 36 46.16 +22 34 05.1 o 071
2012-05-01 22:17:29 C 12 36 46.45 +22 34 00.1 o 071
2012-05-01 22:19:24 C 12 36 46.79 +22 33 55.0 o 071
2012-05-01 22:21:19 C 12 36 47.11 +22 33 50.2 o 071
2012-05-01 22:23:13 C 12 36 47.42 +22 33 45.4 o 071
2012-05-01 22:25:08 C 12 36 47.72 +22 33 40.3 o 071
2012-05-01 22:27:03 C 12 36 47.86 +22 33 36.6 o 071
2012-05-01 22:28:58 C 12 36 48.34 +22 33 30.5 o 071
2012-05-01 22:30:53 C 12 36 48.65 +22 33 26.2 o 071
2012-05-01 22:32:50 C 12 36 48.97 +22 33 20.6 o 071
2012-05-01 22:34:44 C 12 36 49.27 +22 33 16.1 o 071
2012-05-01 22:36:40 C 12 36 49.57 +22 33 11.2 o 071
2012-05-01 22:38:34 C 12 36 49.89 +22 33 06.1 o 071
2012-05-01 22:40:29 C 12 36 50.22 +22 33 01.6 o 071
2012-05-01 22:42:24 C 12 36 50.53 +22 32 55.9 o 071
2012-05-01 22:44:19 C 12 36 50.82 +22 32 51.6 o 071
2012-05-01 22:52:01 C 12 36 52.09 +22 32 31.9 o 071
2012-05-01 22:53:55 C 12 36 52.39 +22 32 25.0 o 071
2012-05-01 22:55:50 C 12 36 52.66 +22 32 22.3 o 071
2012-05-01 22:57:45 C 12 36 52.97 +22 32 15.6 o 071
2012-05-01 22:59:40 C 12 36 53.31 +22 32 12.4 o 071
2012-05-01 23:01:38 C 12 36 53.63 +22 32 07.2 o 071
2012-05-01 23:03:33 C 12 36 53.98 +22 32 01.7 o 071
2012-05-01 23:07:22 C 12 36 54.56 +22 31 50.6 o 071
2012-05-01 23:09:17 C 12 36 54.88 +22 31 47.8 o 071
2012-05-01 23:11:12 C 12 36 55.18 +22 31 43.2 o 071
2012-05-01 23:13:09 C 12 36 55.51 +22 31 37.9 o 071
2012-05-01 23:15:05 C 12 36 55.82 +22 31 33.0 o 071
2012-05-01 23:17:00 C 12 36 56.12 +22 31 28.2 o 071
2012-05-01 23:18:55 C 12 36 56.47 +22 31 23.0 o 071
2012-05-01 23:20:49 C 12 36 56.74 +22 31 18.5 o 071
2012-05-01 23:22:44 C 12 36 57.09 +22 31 13.4 o 071
2012-05-01 23:24:39 C 12 36 57.40 +22 31 08.4 o 071
2012-05-01 23:26:36 C 12 36 57.69 +22 31 03.2 o 071
2012-05-02 19:55:54 C 12 40 39.43 +21 39 53.8 t 204
2012-05-02 19:57:55 C 12 40 39.75 +21 39 48.8 t 204
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)