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
2006-12-16 12:22:43 C 07 02 05.89 +22 24 49.7 o 644
2006-12-22 06:00:37 C 06 55 06.14 +23 09 33.5 17.8 c 704
2006-12-22 06:18:46 C 06 55 04.99 +23 09 40.5 18.4 c 704
2006-12-22 06:36:55 C 06 55 03.81 +23 09 47.4 18.2 c 704
2006-12-22 06:55:14 C 06 55 02.63 +23 09 53.5 18.3 c 704
2006-12-22 07:13:23 C 06 55 01.44 +23 10 00.6 18.2 c 704
2006-12-24 00:30:52 C 06 52 28.56 +23 24 39.8 c A24
2006-12-24 00:32:20 C 06 52 28.49 +23 24 40.6 c A24
2006-12-24 01:47:21 C 06 52 23.36 +23 25 07.5 c A24
2006-12-24 01:48:49 C 06 52 23.24 +23 25 08.1 c A24
2006-12-24 21:02:51 C 06 51 09.61 +23 32 09.8 c A24
2006-12-24 21:03:35 C 06 51 09.57 +23 32 10.0 c A24
2006-12-24 21:04:19 C 06 51 09.53 +23 32 10.2 c A24
2006-12-25 01:42:49 C 06 50 49.70 +23 33 54.7 c A24
2006-12-25 01:43:33 C 06 50 49.66 +23 33 54.9 c A24
2006-12-25 01:44:18 C 06 50 49.61 +23 33 55.1 c A24
2006-12-29 06:21:55 C 06 43 39.39 +24 12 28.2 17.7 c 704
2006-12-29 06:38:46 C 06 43 38.14 +24 12 33.4 17.9 c 704
2006-12-29 06:55:38 C 06 43 36.78 +24 12 39.9 17.9 c 704
2006-12-29 07:12:33 C 06 43 35.37 +24 12 48.1 17.5 c 704
2006-12-29 18:51:32 C 06 42 42.70 +24 17 13.2 r A89
2006-12-31 00:32:59 C 06 40 22.02 +24 29 05.6 r 170
2006-12-31 00:37:54 C 06 40 21.60 +24 29 07.7 r 170
2006-12-31 00:41:36 C 06 40 21.28 +24 29 09.0 r 170
2007-01-10 06:16:25 C 06 19 20.05 +26 06 52.2 17.9 c 704
2007-01-10 06:35:46 C 06 19 18.23 +26 06 59.4 17.8 c 704
2007-01-10 06:58:15 C 06 19 16.11 +26 07 07.9 18.1 c 704
2007-01-10 07:21:38 C 06 19 13.84 +26 07 16.7 18.1 c 704
2007-01-10 07:41:32 C 06 19 11.94 +26 07 23.8 18.0 c 704
2007-01-12 21:23:37 C 06 13 46.08 +26 30 37.4 17.8 r 084
2007-01-12 21:27:47 C 06 13 45.68 +26 30 39.0 17.7 r 084
2007-01-13 01:55:38 C 06 13 23.07 +26 32 26.3 r H98
2007-01-13 02:04:33 C 06 13 22.31 +26 32 30.4 r H98
2007-01-13 02:12:05 C 06 13 21.45 +26 32 34.1 r H98
2007-01-13 06:06:28 C 06 13 00.28 +26 34 02.9 18.8 c 704
2007-01-13 06:24:59 C 06 12 58.66 +26 34 10.4 18.1 c 704
2007-01-13 06:43:22 C 06 12 56.92 +26 34 16.8 18.2 c 704
2007-01-13 07:02:59 C 06 12 55.07 +26 34 23.6 18.1 c 704
2007-01-13 07:22:41 C 06 12 53.17 +26 34 31.2 17.4 c 704
2007-01-14 18:42:20 C 06 09 51.48 +26 47 17.3 c B15
2007-01-14 18:50:40 C 06 09 50.72 +26 47 20.5 c B15
2007-01-14 18:59:02 C 06 09 49.97 +26 47 23.5 c B15
2007-01-14 19:07:23 C 06 09 49.21 +26 47 26.8 c B15
2007-01-14 19:15:44 C 06 09 48.46 +26 47 29.9 c B15
2007-01-14 21:33:40 C 06 09 35.95 +26 48 21.8 r 113
2007-01-14 21:38:55 C 06 09 35.46 +26 48 23.7 r 113
2007-01-14 21:43:17 C 06 09 35.11 +26 48 25.2 r 113
2007-01-14 21:47:38 C 06 09 34.67 +26 48 26.6 r 113
2007-01-14 21:52:00 C 06 09 34.29 +26 48 28.1 r 113
2007-01-16 00:26:49 C 06 07 17.85 +26 57 56.2 c 561
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)