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
2012-06-12 06:27:49 C 14 45 39.77 -11 09 30.0 o H06
2012-06-12 06:52:01 C 14 45 41.91 -11 09 59.8 o H06
2012-06-13 05:15:27 C 14 47 53.49 -11 37 26.1 17.1 c 704
2012-06-13 05:30:27 C 14 47 54.80 -11 37 44.2 17.5 c 704
2012-06-13 05:45:36 C 14 47 56.11 -11 38 02.5 17.5 c 704
2012-06-13 06:00:31 C 14 47 57.40 -11 38 20.1 17.1 c 704
2012-06-13 06:16:28 C 14 47 58.79 -11 38 39.5 17.3 c 704
2012-06-14 03:58:14 C 14 50 05.73 -12 04 32.0 17.3 c 704
2012-06-14 04:13:11 C 14 50 07.05 -12 04 49.3 17.2 c 704
2012-06-14 04:28:06 C 14 50 08.31 -12 05 07.3 17.2 c 704
2012-06-14 04:38:33 C 14 50 09.34 -12 05 19.2 r G96
2012-06-14 04:46:51 C 14 50 10.03 -12 05 28.8 r G96
2012-06-14 04:55:17 C 14 50 10.75 -12 05 38.7 r G96
2012-06-14 04:59:12 C 14 50 11.02 -12 05 43.7 17.6 c 704
2012-06-14 05:03:35 C 14 50 11.47 -12 05 48.5 r G96
2012-06-15 03:51:15 C 14 52 23.15 -12 32 15.6 17.5 c 704
2012-06-15 04:06:03 C 14 52 24.45 -12 32 32.2 17.4 c 704
2012-06-15 04:20:49 C 14 52 25.74 -12 32 48.7 17.4 c 704
2012-06-15 04:35:32 C 14 52 26.99 -12 33 05.8 17.4 c 704
2012-06-15 04:50:21 C 14 52 28.23 -12 33 22.3 17.4 c 704
2012-06-23 03:50:25 C 15 10 21.47 -15 48 50.6 17.3 c 704
2012-06-23 04:05:45 C 15 10 22.66 -15 49 07.5 18.7 c 704
2012-06-23 04:20:19 C 15 10 23.93 -15 49 19.6 17.7 c 704
2012-06-23 04:34:53 C 15 10 25.14 -15 49 32.6 17.7 c 704
2012-06-23 04:49:29 C 15 10 26.36 -15 49 46.0 18.0 c 704
2012-06-23 04:54:01 C 15 10 26.94 -15 49 49.6 r 703
2012-06-23 05:02:10 C 15 10 27.62 -15 49 57.3 r 703
2012-06-23 05:10:21 C 15 10 28.30 -15 50 04.2 r 703
2012-06-23 05:18:36 C 15 10 28.99 -15 50 11.9 r 703
2012-06-24 04:00:41 C 15 12 34.93 -16 10 37.4 17.9 c 704
2012-06-24 04:15:35 C 15 12 36.15 -16 10 50.1 18.1 c 704
2012-06-24 04:30:30 C 15 12 37.41 -16 11 03.2 18.0 c 704
2012-06-24 04:45:21 C 15 12 38.64 -16 11 16.5 17.9 c 704
2012-07-05 04:11:38 C 15 36 36.96 -19 32 25.4 u H21
2012-07-05 04:18:13 C 15 36 37.50 -19 32 29.7 u H21
2012-07-05 04:24:48 C 15 36 38.08 -19 32 33.9 u H21
2012-07-05 04:31:22 C 15 36 38.63 -19 32 38.1 u H21
2014-09-07 11:34:54 C 01 51 51.827 +05 17 28.92 L F51
2014-09-07 11:52:18 C 01 51 51.393 +05 17 24.56 L F51
2014-09-07 12:09:50 C 01 51 50.956 +05 17 20.42 L F51
2014-09-19 11:12:08 C 01 41 57.267 +03 50 53.28 L F51
2014-09-19 11:29:55 C 01 41 56.384 +03 50 46.99 L F51
2014-09-19 11:47:48 C 01 41 55.497 +03 50 40.67 L F51
2014-09-23 11:07:06 C 01 37 07.806 +03 15 17.64 L F51
2014-09-23 11:24:57 C 01 37 06.793 +03 15 10.85 L F51
2014-09-23 11:42:50 C 01 37 05.766 +03 15 03.98 L F51
2014-09-23 12:00:47 C 01 37 04.753 +03 14 57.00 L F51
2014-10-12 06:41:14 C 01 07 43.30 +00 11 12.2 u H21
2014-10-12 06:54:15 C 01 07 42.36 +00 11 08.0 u H21
2014-10-12 07:07:16 C 01 07 41.38 +00 11 02.3 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)