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
2014-10-13 07:27:23 C 01 05 58.71 +00 01 38.4 q 703
2014-10-13 08:08:40 C 01 05 55.70 +00 01 21.9 q 703
2014-10-24 06:32:36 C 00 48 22.95 -01 26 00.1 q 703
2014-10-24 07:05:19 C 00 48 20.83 -01 26 10.1 q 703
2014-11-12 06:05:38 C 00 28 00.523 -02 29 35.27 L F51
2014-11-12 06:21:52 C 00 28 00.057 -02 29 35.11 L F51
2014-11-12 06:38:06 C 00 27 59.571 -02 29 35.51 L F51
2014-11-12 06:54:20 C 00 27 59.109 -02 29 35.56 L F51
2014-11-21 06:19:30 C 00 24 20.133 -02 18 03.52 L F51
2014-11-21 06:38:00 C 00 24 19.939 -02 18 01.67 L F51
2014-11-21 06:56:33 C 00 24 19.751 -02 17 59.32 L F51
2014-11-21 07:15:08 C 00 24 19.544 -02 17 57.43 L F51
2016-11-08 13:30:11 C 08 36 29.573 +17 56 13.83 L F51
2016-11-08 13:47:56 C 08 36 31.377 +17 56 08.88 L F51
2016-11-08 14:05:47 C 08 36 33.184 +17 56 03.88 L F51
2016-11-30 10:11:14 C 09 31 55.07 +15 09 17.1 q G96
2016-11-30 10:17:32 C 09 31 55.79 +15 09 14.7 q G96
2016-11-30 10:23:43 C 09 31 56.40 +15 09 13.1 q G96
2016-11-30 10:30:00 C 09 31 57.08 +15 09 11.2 q G96
2016-12-29 04:34:40 C 10 50 44.19 +10 57 31.4 19.2 q J43
2016-12-29 04:46:54 C 10 50 45.66 +10 57 26.9 19.2 q J43
2016-12-29 04:59:15 C 10 50 47.11 +10 57 22.2 18.9 q J43
2016-12-29 05:11:33 C 10 50 48.57 +10 57 17.6 19.3 q J43
2017-01-04 12:24:09 C 11 09 57.34 +10 00 07.6 q G96
2017-01-04 12:27:32 C 11 09 57.76 +10 00 06.5 q G96
2017-01-04 12:30:59 C 11 09 58.17 +10 00 04.8 q G96
2017-01-04 12:34:21 C 11 09 58.58 +10 00 03.7 q G96
2017-01-08 09:45:38 C 11 22 19.20 +09 24 34.3 q 703
2017-01-08 10:10:24 C 11 22 22.34 +09 24 25.2 q 703
2017-01-08 10:17:18 C 11 22 23.28 +09 24 22.3 q 703
2017-01-08 10:24:10 C 11 22 24.16 +09 24 19.9 q 703
2017-01-21 03:25:47 C 12 06 23.72 +07 25 44.2 t 160
2017-01-21 03:28:51 C 12 06 24.19 +07 25 42.6 t 160
2017-01-21 03:31:37 C 12 06 24.64 +07 25 39.5 t 160
2017-01-26 04:42:13 C 12 25 42.49 +06 37 10.5 q 160
2017-01-26 04:45:12 C 12 25 42.92 +06 37 08.4 q 160
2017-01-26 04:48:11 C 12 25 43.40 +06 37 06.8 q 160
2017-01-27 07:35:36 C 12 30 10.86 +06 26 18.4 R G45
2017-01-27 07:42:29 C 12 30 12.00 +06 26 15.9 R G45
2017-01-27 07:48:43 C 12 30 12.99 +06 26 13.3 R G45
2017-01-27 07:55:37 C 12 30 14.10 +06 26 10.5 R G45
2017-01-27 08:02:43 C 12 30 15.24 +06 26 07.7 R G45
2017-02-07 11:17:20 C 13 17 43.25 +04 33 05.3 q 703
2017-02-07 11:23:48 C 13 17 44.42 +04 33 01.5 q 703
2017-02-07 11:30:17 C 13 17 45.52 +04 32 59.6 q 703
2017-02-07 11:36:43 C 13 17 46.73 +04 32 56.3 q 703
2017-02-08 02:39:32 C 13 20 39.81 +04 26 18.0 o Z22
2017-02-08 03:01:07 C 13 20 43.74 +04 26 08.7 o Z22
2017-02-10 08:19:38 C 13 31 01.24 +04 02 01.4 u H21
2017-02-10 08:22:05 C 13 31 01.71 +04 02 00.3 u H21
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)