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
2012-05-03 22:31:28 C 12 45 13.07 +20 32 58.6 u C73
2012-05-03 22:32:37 C 12 45 13.26 +20 32 55.7 u C73
2012-05-03 22:33:47 C 12 45 13.46 +20 32 52.6 u C73
2012-05-03 22:34:56 C 12 45 13.59 +20 32 49.8 u C73
2012-05-03 22:36:06 C 12 45 13.80 +20 32 46.7 u C73
2012-05-03 22:37:14 C 12 45 13.98 +20 32 43.7 u C73
2012-05-03 22:38:24 C 12 45 14.18 +20 32 40.8 u C73
2012-05-03 22:39:33 C 12 45 14.32 +20 32 37.9 u C73
2012-05-03 22:40:43 C 12 45 14.56 +20 32 34.7 u C73
2012-05-03 22:41:52 C 12 45 14.72 +20 32 31.8 u C73
2012-05-03 22:43:02 C 12 45 14.90 +20 32 28.8 u C73
2012-05-03 22:44:11 C 12 45 15.09 +20 32 26.0 u C73
2012-05-03 23:32:32 C 12 45 23.81 +20 30 25.4 u 203
2012-05-05 01:27:29 C 12 49 54.70 +19 25 10.5 u H23
2012-05-05 01:48:21 C 12 49 57.87 +19 24 18.4 u H23
2012-05-05 02:09:27 C 12 50 01.03 +19 23 25.8 u H23
2012-05-09 22:41:18 C 13 08 55.56 +14 27 46.4 u 160
2012-05-09 22:45:18 C 13 08 56.13 +14 27 36.3 u 160
2012-05-09 22:49:21 C 13 08 56.70 +14 27 26.0 u 160
2012-05-10 21:35:17 C 13 12 29.10 +13 30 18.5 w 160
2012-05-10 21:39:14 C 13 12 29.63 +13 30 08.3 w 160
2012-05-10 21:43:16 C 13 12 30.19 +13 29 58.2 w 160
2012-05-11 12:27:06 C 13 14 45.70 +12 53 22.3 u 379
2012-05-11 12:29:46 C 13 14 46.07 +12 53 15.9 u 379
2012-05-11 12:38:13 C 13 14 47.20 +12 52 54.9 u 379
2012-05-11 12:49:27 C 13 14 48.70 +12 52 26.8 u 379
2012-05-11 12:52:07 C 13 14 49.05 +12 52 20.1 u 379
2012-05-11 13:02:34 C 13 14 50.42 +12 51 54.1 u 379
2012-05-11 21:11:30 C 13 16 04.63 +12 31 27.0 u 160
2012-05-11 21:15:07 C 13 16 05.12 +12 31 18.0 u 160
2012-05-11 21:19:59 C 13 16 05.78 +12 31 05.9 u 160
2012-05-11 21:56:14 C 13 16 09.66 +12 29 32.6 u C73
2012-05-11 21:57:24 C 13 16 09.82 +12 29 30.0 u C73
2012-05-11 21:58:34 C 13 16 09.98 +12 29 27.0 u C73
2012-05-11 21:59:43 C 13 16 10.14 +12 29 24.0 u C73
2012-05-11 22:00:53 C 13 16 10.31 +12 29 21.0 u C73
2012-05-11 22:02:02 C 13 16 10.46 +12 29 18.2 u C73
2012-05-11 22:03:12 C 13 16 10.61 +12 29 15.3 u C73
2012-05-11 22:04:22 C 13 16 10.78 +12 29 12.4 u C73
2012-05-11 22:05:31 C 13 16 10.94 +12 29 09.4 u C73
2012-05-11 22:06:41 C 13 16 11.09 +12 29 06.6 u C73
2012-05-11 22:07:50 C 13 16 11.25 +12 29 03.7 u C73
2012-05-11 22:09:00 C 13 16 11.41 +12 29 00.7 u C73
2012-05-11 22:10:10 C 13 16 11.58 +12 28 57.8 u C73
2012-05-11 22:11:19 C 13 16 11.73 +12 28 54.9 u C73
2012-05-11 22:12:29 C 13 16 11.85 +12 28 52.4 u C73
2012-05-12 03:06:13 C 13 17 00.15 +12 16 59.0 o G48
2012-05-12 03:06:46 C 13 17 00.23 +12 16 57.6 o G48
2012-05-12 03:07:19 C 13 17 00.31 +12 16 56.3 o G48
2012-05-12 03:07:55 C 13 17 00.39 +12 16 55.0 o G48
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)