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
2007-02-18 19:53:23 C 05 39 47.67 +30 28 56.0 o B15
2007-02-27 19:54:35 C 05 49 01.12 +31 09 09.7 18.4 o 160
2007-02-27 20:03:56 C 05 49 01.69 +31 09 09.9 18.0 o 160
2007-02-27 20:07:33 C 05 49 01.80 +31 09 11.6 18.7 o 160
2007-03-05 19:39:15 C 05 58 39.00 +31 31 40.0 r A13
2007-03-05 20:08:48 C 05 58 41.15 +31 31 43.1 r A13
2007-03-06 20:14:46 C 06 00 32.84 +31 35 02.7 o 461
2007-03-06 20:23:04 C 06 00 33.46 +31 35 03.8 o 461
2007-03-10 04:07:29 C 06 07 13.61 +31 45 05.6 19.1 c 704
2007-03-10 04:24:09 C 06 07 14.98 +31 45 07.7 19.2 c 704
2007-03-10 04:40:02 C 06 07 16.22 +31 45 08.3 19.6 c 704
2007-03-11 20:05:54 C 06 10 51.07 +31 49 15.8 r 240
2007-03-11 20:10:45 C 06 10 51.54 +31 49 16.0 r 240
2007-03-11 20:15:35 C 06 10 52.00 +31 49 16.3 r 240
2007-04-20 03:15:03 C 08 20 49.79 +29 03 06.1 r 448
2007-04-20 03:20:44 C 08 20 50.77 +29 03 02.4 r 448
2007-04-20 03:33:37 C 08 20 52.92 +29 02 54.7 r 448
2007-04-20 03:39:48 C 08 20 53.96 +29 02 50.9 r 448
2007-04-27 02:49:42 C 08 50 34.89 +27 09 46.5 r 448
2007-04-27 03:00:01 C 08 50 36.68 +27 09 38.3 r 448
2007-04-27 03:10:21 C 08 50 38.43 +27 09 30.3 r 448
2007-05-11 04:27:22 C 09 53 12.04 +21 41 21.9 r 703
2007-05-11 04:36:38 C 09 53 13.59 +21 41 11.5 r 703
2007-05-11 04:45:52 C 09 53 15.43 +21 40 59.8 r 703
2007-05-11 04:55:09 C 09 53 17.12 +21 40 48.3 r 703
2007-07-04 03:27:04 C 13 39 55.36 -08 47 20.1 r 649
2007-07-04 03:32:11 C 13 39 56.04 -08 47 24.9 r 649
2007-07-04 03:37:18 C 13 39 56.85 -08 47 32.2 r 649
2007-07-04 03:42:25 C 13 39 57.60 -08 47 39.1 r 649
2009-09-24 09:01:30 C 00 54 19.08 -01 28 28.0 r G96
2009-09-24 09:13:33 C 00 54 18.21 -01 28 34.0 r G96
2009-09-24 09:25:42 C 00 54 17.38 -01 28 39.0 r G96
2009-09-24 09:38:09 C 00 54 16.56 -01 28 44.7 r G96
2009-09-24 23:28:15 C 00 53 21.64 -01 34 59.0 r 621
2009-09-24 23:40:05 C 00 53 20.81 -01 35 02.7 r 621
2009-09-25 00:22:54 C 00 53 17.91 -01 35 22.1 r 621
2009-09-25 00:34:43 C 00 53 17.02 -01 35 27.4 r 621
2011-11-26 08:47:12 C 08 24 23.94 +18 42 09.5 r G96
2011-11-26 08:58:11 C 08 24 24.66 +18 42 09.0 r G96
2011-11-26 09:09:12 C 08 24 25.38 +18 42 07.7 r G96
2011-11-26 09:20:12 C 08 24 26.20 +18 42 07.3 r G96
2011-11-30 08:04:54 C 08 30 58.27 +18 33 57.6 o 807
2011-11-30 08:10:52 C 08 30 58.64 +18 33 57.3 o 807
2011-11-30 08:16:49 C 08 30 59.03 +18 33 56.9 o 807
2011-11-30 08:22:46 C 08 30 59.42 +18 33 56.6 o 807
2011-11-30 08:28:42 C 08 30 59.78 +18 33 55.9 o 807
2011-12-23 23:42:17 C 09 03 53.60 +18 42 46.6 r 106
2011-12-24 00:01:22 C 09 03 54.39 +18 42 49.7 r 106
2011-12-24 00:20:26 C 09 03 55.20 +18 42 52.9 r 106
2011-12-24 00:39:30 C 09 03 55.99 +18 42 55.8 r 106
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)