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
2012-04-28 22:27:51 C 12 23 47.14 +25 29 25.2 u 510
2012-04-28 22:37:09 C 12 23 48.71 +25 29 02.6 u 510
2012-04-28 23:05:48 C 12 23 53.17 +25 27 51.5 u C01
2012-04-28 23:06:42 C 12 23 53.33 +25 27 49.3 u C01
2012-04-28 23:07:34 C 12 23 53.47 +25 27 47.2 u C01
2012-04-28 23:08:26 C 12 23 53.61 +25 27 45.0 u C01
2012-04-28 23:09:19 C 12 23 53.77 +25 27 42.8 u C01
2012-04-29 22:11:04 C 12 28 08.07 +24 32 20.8 u 160
2012-04-29 22:13:23 C 12 28 08.46 +24 32 15.1 u 160
2012-04-29 22:15:44 C 12 28 08.83 +24 32 09.2 u 160
2012-04-30 18:56:04 C 12 31 56.41 +23 41 41.7 o 071
2012-04-30 19:02:43 C 12 31 57.63 +23 41 23.5 o 071
2012-04-30 19:09:23 C 12 31 58.58 +23 41 09.1 o 071
2012-04-30 19:12:44 C 12 31 59.23 +23 40 59.4 o 071
2012-04-30 19:16:05 C 12 31 59.87 +23 40 50.4 o 071
2012-04-30 19:19:24 C 12 32 00.47 +23 40 41.8 o 071
2012-04-30 19:22:45 C 12 32 00.79 +23 40 36.3 o 071
2012-04-30 19:26:04 C 12 32 01.39 +23 40 27.0 o 071
2012-05-01 19:01:11 C 12 36 15.31 +22 42 09.6 o 071
2012-05-01 19:03:06 C 12 36 15.60 +22 42 04.9 o 071
2012-05-01 19:05:00 C 12 36 15.95 +22 42 00.1 o 071
2012-05-01 19:08:51 C 12 36 16.55 +22 41 50.5 o 071
2012-05-01 19:10:47 C 12 36 16.87 +22 41 45.9 o 071
2012-05-01 19:12:42 C 12 36 17.16 +22 41 41.2 o 071
2012-05-01 19:16:33 C 12 36 17.74 +22 41 31.9 o 071
2012-05-01 19:18:27 C 12 36 18.08 +22 41 27.0 o 071
2012-05-01 19:20:22 C 12 36 18.37 +22 41 22.3 o 071
2012-05-01 19:22:17 C 12 36 18.65 +22 41 17.2 o 071
2012-05-01 19:24:12 C 12 36 18.98 +22 41 13.0 o 071
2012-05-01 19:26:07 C 12 36 19.26 +22 41 08.5 o 071
2012-05-01 19:28:03 C 12 36 19.57 +22 41 03.8 o 071
2012-05-01 19:29:58 C 12 36 19.90 +22 40 58.8 o 071
2012-05-01 19:31:54 C 12 36 20.17 +22 40 54.3 o 071
2012-05-01 19:33:48 C 12 36 20.68 +22 40 51.7 o 071
2012-05-01 19:35:44 C 12 36 20.81 +22 40 44.6 o 071
2012-05-01 19:37:39 C 12 36 21.10 +22 40 40.9 o 071
2012-05-01 19:39:35 C 12 36 21.43 +22 40 35.2 o 071
2012-05-01 19:41:30 C 12 36 21.69 +22 40 30.3 o 071
2012-05-01 19:43:25 C 12 36 22.06 +22 40 25.5 o 071
2012-05-01 19:45:20 C 12 36 22.34 +22 40 21.0 o 071
2012-05-01 19:47:15 C 12 36 22.63 +22 40 16.2 o 071
2012-05-01 19:49:09 C 12 36 22.90 +22 40 12.4 o 071
2012-05-01 19:51:04 C 12 36 23.22 +22 40 06.8 o 071
2012-05-01 19:52:59 C 12 36 23.52 +22 40 02.2 o 071
2012-05-01 19:54:54 C 12 36 23.85 +22 39 57.3 o 071
2012-05-01 19:56:49 C 12 36 24.19 +22 39 52.2 o 071
2012-05-01 19:58:45 C 12 36 24.45 +22 39 47.7 o 071
2012-05-01 20:00:40 C 12 36 24.74 +22 39 43.2 o 071
2012-05-01 20:02:35 C 12 36 25.08 +22 39 38.2 o 071
2012-05-01 20:04:30 C 12 36 25.36 +22 39 33.7 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)