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
2012-01-25 19:52:31 C 09 22 37.63 +24 52 05.4 16.8 r 168
2012-01-25 20:01:55 C 09 22 37.55 +24 52 13.7 16.9 r 168
2012-01-25 20:08:30 C 09 22 37.48 +24 52 19.2 16.8 r 168
2012-01-25 21:02:11 C 09 22 37.05 +24 53 04.5 16.9 r 168
2012-01-25 21:05:10 C 09 22 37.01 +24 53 07.1 16.8 r 168
2012-01-25 21:08:10 C 09 22 37.00 +24 53 09.5 16.9 r 168
2012-01-25 22:06:36 C 09 22 36.50 +24 53 58.2 16.7 r 168
2012-01-25 22:08:20 C 09 22 36.49 +24 53 59.7 16.9 r 168
2012-01-25 22:52:00 C 09 22 37.68 +24 54 44.2 i C91
2012-01-25 23:10:00 C 09 22 37.48 +24 54 59.5 i C91
2012-01-25 23:39:55 C 09 22 37.25 +24 55 24.8 c A24
2012-01-25 23:40:57 C 09 22 37.23 +24 55 25.4 c A24
2012-01-26 00:58:08 C 09 22 36.42 +24 56 30.5 c A24
2012-01-26 00:59:11 C 09 22 36.41 +24 56 31.4 c A24
2012-01-26 01:45:04 C 09 22 35.91 +24 57 08.9 r 203
2012-01-26 02:07:22 C 09 22 35.68 +24 57 27.3 r 203
2012-01-26 04:43:40 C 09 22 38.42 +24 59 43.9 o G48
2012-01-26 04:44:15 C 09 22 38.35 +24 59 44.5 o G48
2012-01-26 04:44:48 C 09 22 38.34 +24 59 45.2 o G48
2012-01-27 06:33:29 C 09 22 33.32 +25 21 56.9 16.8 c 704
2012-01-27 06:51:51 C 09 22 33.07 +25 22 13.3 16.9 c 704
2012-01-27 07:10:12 C 09 22 32.81 +25 22 29.5 16.6 c 704
2012-01-27 07:28:39 C 09 22 32.55 +25 22 45.5 16.7 c 704
2012-01-27 07:48:00 C 09 22 32.27 +25 23 02.7 16.9 c 704
2012-01-29 04:43:37 C 09 22 20.78 +26 02 52.5 u H21
2012-01-29 06:51:04 C 09 22 18.73 +26 04 49.7 u H21
2012-01-29 07:55:32 C 09 22 17.68 +26 05 47.9 u H21
2012-01-30 07:11:53 C 09 22 09.87 +26 27 16.2 r G96
2012-01-30 07:23:27 C 09 22 09.66 +26 27 27.1 r G96
2012-01-30 07:35:17 C 09 22 09.44 +26 27 38.1 r G96
2012-01-30 07:47:01 C 09 22 09.22 +26 27 49.2 r G96
2012-01-30 08:08:56 C 09 22 08.01 +26 28 07.1 u H45
2012-01-30 08:11:00 C 09 22 07.96 +26 28 08.8 u H45
2012-01-30 08:12:33 C 09 22 07.94 +26 28 10.2 u H45
2012-01-30 08:14:38 C 09 22 07.89 +26 28 12.0 u H45
2012-01-30 08:16:52 C 09 22 07.85 +26 28 14.5 u H45
2012-01-31 21:41:30 C 09 21 51.57 +27 03 16.5 u C01
2012-01-31 21:43:23 C 09 21 51.53 +27 03 18.3 u C01
2012-01-31 21:45:16 C 09 21 51.50 +27 03 20.2 u C01
2012-01-31 21:47:09 C 09 21 51.47 +27 03 22.0 u C01
2012-01-31 21:49:01 C 09 21 51.44 +27 03 23.9 u C01
2012-01-31 23:45:09 C 09 21 49.36 +27 05 16.5 u C01
2012-01-31 23:47:02 C 09 21 49.33 +27 05 18.3 u C01
2012-01-31 23:48:55 C 09 21 49.30 +27 05 20.1 u C01
2012-01-31 23:50:49 C 09 21 49.26 +27 05 21.9 u C01
2012-02-01 13:52:41 C 09 21 39.289 +27 19 09.78 L F51
2012-02-01 14:10:04 C 09 21 38.946 +27 19 25.55 L F51
2012-02-04 13:32:23 C 09 20 51.633 +28 30 02.33 L F51
2012-02-04 13:50:26 C 09 20 51.217 +28 30 19.41 L F51
2012-02-04 15:13:31 C 09 20 49.503 +28 31 37.02 L F51
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)