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
2007-01-16 00:34:39 C 06 07 17.19 +26 57 58.8 c 561
2007-01-16 00:40:09 C 06 07 16.69 +26 58 01.4 c 561
2007-01-18 21:48:45 C 06 01 38.17 +27 21 44.3 17.8 r 084
2007-01-18 21:52:54 C 06 01 37.83 +27 21 45.9 17.7 r 084
2007-01-19 21:51:54 C 05 59 45.86 +27 29 48.3 c A24
2007-01-19 21:52:38 C 05 59 45.80 +27 29 48.6 c A24
2007-01-19 21:53:21 C 05 59 45.75 +27 29 49.0 c A24
2007-01-19 23:51:21 C 05 59 35.98 +27 30 25.8 r 203
2007-01-20 00:06:10 C 05 59 34.75 +27 30 30.5 c A24
2007-01-20 00:06:54 C 05 59 34.69 +27 30 30.8 c A24
2007-01-20 00:07:37 C 05 59 34.63 +27 30 31.1 c A24
2007-01-20 01:04:46 C 05 59 30.04 +27 30 47.9 r 203
2007-01-20 21:57:12 C 05 57 55.93 +27 37 29.1 17.9 r 084
2007-01-20 22:01:22 C 05 57 55.62 +27 37 30.5 17.9 r 084
2007-01-21 05:19:18 C 05 57 23.54 +27 40 03.2 18.1 c 704
2007-01-21 05:37:32 C 05 57 22.01 +27 40 09.7 18.0 c 704
2007-01-21 05:55:33 C 05 57 20.53 +27 40 15.3 18.1 c 704
2007-01-21 06:13:39 C 05 57 19.12 +27 40 20.7 17.8 c 704
2007-01-23 00:34:31 C 05 54 17.28 +27 53 21.2 o B12
2007-01-23 01:18:09 C 05 54 14.08 +27 53 33.2 o B12
2007-01-23 04:53:30 C 05 54 00.41 +27 54 51.3 18.0 c 704
2007-01-23 05:11:24 C 05 53 59.10 +27 54 55.0 18.8 c 704
2007-01-23 05:29:17 C 05 53 57.69 +27 55 01.9 18.1 c 704
2007-01-23 05:47:03 C 05 53 56.34 +27 55 07.3 18.2 c 704
2007-01-23 06:04:52 C 05 53 54.97 +27 55 12.3 18.3 c 704
2007-01-24 05:07:14 C 05 52 22.68 +28 02 09.2 18.3 c 704
2007-01-24 05:24:57 C 05 52 21.41 +28 02 14.4 18.5 c 704
2007-01-24 05:42:42 C 05 52 20.10 +28 02 19.3 18.3 c 704
2007-01-24 06:00:25 C 05 52 18.83 +28 02 24.5 18.0 c 704
2007-01-27 18:48:03 C 05 47 14.86 +28 26 36.9 c A24
2007-01-27 18:49:29 C 05 47 14.84 +28 26 36.1 c A24
2007-01-27 19:23:51 C 05 47 12.71 +28 26 46.7 c A24
2007-01-27 19:58:43 C 05 47 10.60 +28 26 56.6 c A24
2007-01-27 20:32:37 C 05 47 08.54 +28 27 06.5 c A24
2007-01-27 20:33:20 C 05 47 08.51 +28 27 06.6 c A24
2007-01-27 20:34:03 C 05 47 08.47 +28 27 06.7 c A24
2007-01-28 00:08:45 C 05 46 55.68 +28 28 01.7 c A24
2007-01-31 19:42:55 C 05 42 38.91 +28 52 12.0 r 084
2007-01-31 19:47:05 C 05 42 38.72 +28 52 13.2 r 084
2007-02-05 02:14:33 C 05 39 20.96 +29 17 34.8 c G92
2007-02-05 02:56:59 C 05 39 19.66 +29 17 45.6 c G92
2007-02-05 03:39:24 C 05 39 18.27 +29 17 56.3 c G92
2007-02-05 17:55:07 C 05 38 59.11 +29 21 11.2 17.8 o 160
2007-02-05 18:00:38 C 05 38 58.96 +29 21 12.7 18.0 o 160
2007-02-05 18:05:57 C 05 38 58.88 +29 21 13.6 17.8 o 160
2007-02-07 02:12:27 C 05 38 21.47 +29 28 48.0 c G92
2007-02-07 02:56:36 C 05 38 20.41 +29 28 58.5 c G92
2007-02-07 03:40:50 C 05 38 19.31 +29 29 09.3 c G92
2007-02-18 19:40:42 C 05 39 47.39 +30 28 53.7 o B15
2007-02-18 19:48:25 C 05 39 47.54 +30 28 55.2 o B15
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)