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
2012-05-02 19:59:55 C 12 40 40.07 +21 39 43.9 t 204
2012-05-02 20:01:54 C 12 40 40.38 +21 39 39.0 t 204
2012-05-02 20:03:54 C 12 40 40.69 +21 39 33.9 t 204
2012-05-02 20:46:29 C 12 40 47.41 +21 37 48.8 u 203
2012-05-02 21:20:29 C 12 40 52.76 +21 36 23.9 u 203
2012-05-02 21:30:45 C 12 40 54.42 +21 35 57.6 c A24
2012-05-02 21:31:50 C 12 40 54.57 +21 35 55.3 c A24
2012-05-02 22:19:44 C 12 41 00.87 +21 33 57.4 o 071
2012-05-02 22:21:38 C 12 41 01.20 +21 33 52.3 o 071
2012-05-02 22:23:31 C 12 41 01.50 +21 33 47.5 o 071
2012-05-02 22:25:24 C 12 41 01.84 +21 33 42.4 o 071
2012-05-02 22:27:16 C 12 41 02.05 +21 33 37.8 o 071
2012-05-02 22:29:10 C 12 41 02.37 +21 33 33.3 o 071
2012-05-02 22:31:03 C 12 41 02.70 +21 33 28.2 o 071
2012-05-02 22:32:57 C 12 41 02.99 +21 33 23.3 o 071
2012-05-02 22:34:51 C 12 41 03.33 +21 33 18.1 o 071
2012-05-02 22:36:44 C 12 41 03.60 +21 33 13.4 o 071
2012-05-02 22:38:36 C 12 41 03.90 +21 33 08.8 o 071
2012-05-02 22:40:25 C 12 41 05.40 +21 33 01.9 c A24
2012-05-02 22:40:29 C 12 41 04.18 +21 33 03.9 o 071
2012-05-02 22:41:30 C 12 41 05.56 +21 32 59.3 c A24
2012-05-02 22:42:23 C 12 41 04.50 +21 32 59.2 o 071
2012-05-02 22:44:17 C 12 41 04.79 +21 32 54.4 o 071
2012-05-02 22:46:10 C 12 41 05.09 +21 32 50.0 o 071
2012-05-02 22:48:02 C 12 41 05.39 +21 32 44.9 o 071
2012-05-02 22:49:55 C 12 41 05.72 +21 32 39.7 o 071
2012-05-02 22:51:48 C 12 41 05.94 +21 32 35.3 o 071
2012-05-02 22:53:43 C 12 41 06.30 +21 32 30.2 o 071
2012-05-02 22:55:36 C 12 41 06.61 +21 32 25.4 o 071
2012-05-02 22:57:31 C 12 41 06.91 +21 32 20.4 o 071
2012-05-02 22:59:24 C 12 41 07.21 +21 32 15.6 o 071
2012-05-02 23:01:16 C 12 41 07.47 +21 32 10.6 o 071
2012-05-02 23:03:09 C 12 41 07.84 +21 32 05.6 o 071
2012-05-02 23:05:02 C 12 41 08.13 +21 32 00.7 o 071
2012-05-02 23:06:56 C 12 41 08.42 +21 31 56.1 o 071
2012-05-02 23:08:49 C 12 41 08.73 +21 31 51.3 o 071
2012-05-02 23:10:41 C 12 41 09.03 +21 31 46.5 o 071
2012-05-02 23:12:34 C 12 41 09.32 +21 31 41.6 o 071
2012-05-02 23:14:28 C 12 41 09.63 +21 31 36.7 o 071
2012-05-02 23:16:21 C 12 41 09.94 +21 31 31.8 o 071
2012-05-02 23:18:14 C 12 41 10.24 +21 31 27.0 o 071
2012-05-02 23:20:06 C 12 41 10.55 +21 31 22.1 o 071
2012-05-02 23:21:59 C 12 41 10.85 +21 31 17.2 o 071
2012-05-02 23:29:32 C 12 41 12.08 +21 30 57.8 o 071
2012-05-02 23:31:25 C 12 41 12.38 +21 30 52.9 o 071
2012-05-02 23:33:19 C 12 41 12.66 +21 30 48.6 o 071
2012-05-02 23:35:13 C 12 41 12.95 +21 30 43.4 o 071
2012-05-02 23:37:12 C 12 41 13.32 +21 30 38.6 o 071
2012-05-02 23:39:04 C 12 41 13.63 +21 30 33.1 o 071
2012-05-02 23:40:57 C 12 41 13.91 +21 30 28.3 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)