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
2001-12-17 06:57:16 C 05 03 39.15 +21 21 29.7 18.5 c 704
2001-12-20 05:29:31 C 04 57 17.92 +21 27 17.3 18.4 c 704
2001-12-20 05:52:01 C 04 57 15.82 +21 27 19.5 19.0 c 704
2001-12-20 06:13:58 C 04 57 13.70 +21 27 21.0 18.8 c 704
2001-12-20 06:35:58 C 04 57 11.63 +21 27 23.0 19.0 c 704
2001-12-20 06:58:38 C 04 57 09.47 +21 27 24.8 18.8 c 704
2001-12-20 21:58:46 C 04 55 48.92 +21 28 31.7 118
2001-12-20 22:08:15 C 04 55 48.07 +21 28 32.8 118
2001-12-20 22:12:06 C 04 55 47.68 +21 28 33.5 118
2002-01-01 12:34:10 C 04 32 53.45 +21 51 18.9 c 413
2002-01-01 12:37:21 C 04 32 53.21 +21 51 19.1 c 413
2002-01-01 12:40:32 C 04 32 52.97 +21 51 19.4 c 413
2002-01-08 05:23:26 C 04 22 49.75 +22 05 59.0 19.7 c 704
2002-01-08 05:45:10 C 04 22 48.33 +22 06 02.1 19.9 c 704
2002-01-08 06:06:56 C 04 22 47.20 +22 06 06.3 19.8 c 704
2002-01-08 06:28:46 C 04 22 45.89 +22 06 05.3 19.8 c 704
2002-01-08 06:50:33 C 04 22 44.70 +22 06 07.9 19.5 c 704
2002-01-14 01:45:52 C 04 16 41.69 +22 22 16.1 19.2 c 704
2002-01-14 02:07:38 C 04 16 40.81 +22 22 19.6 19.2 c 704
2002-01-14 02:40:50 C 04 16 39.50 +22 22 24.5 19.1 c 704
2002-01-14 03:02:37 C 04 16 38.71 +22 22 27.6 19.3 c 704
2002-01-14 03:24:23 C 04 16 37.81 +22 22 30.5 19.1 c 704
2002-01-19 09:09:00 C 04 13 26.06 +22 40 32.9 d 341
2002-01-19 09:24:59 C 04 13 25.72 +22 40 35.7 d 341
2002-01-19 09:35:00 C 04 13 25.49 +22 40 37.4 d 341
2002-01-19 09:45:00 C 04 13 25.32 +22 40 39.2 d 341
2002-01-21 02:05:36 C 04 12 51.36 +22 47 14.0 19.1 c 704
2002-01-21 02:49:50 C 04 12 50.71 +22 47 21.5 19.7 c 704
2002-01-21 03:11:56 C 04 12 50.45 +22 47 25.5 19.4 c 704
2002-01-21 03:33:16 C 04 12 50.02 +22 47 28.3 19.5 c 704
2002-01-22 09:58:59 C 04 12 33.82 +22 52 38.4 388
2002-01-22 10:12:36 C 04 12 33.81 +22 52 42.3 388
2002-01-22 10:39:12 C 04 12 33.49 +22 52 47.3 388
2002-01-22 10:52:00 C 04 12 33.31 +22 52 50.7 388
2002-01-22 13:14:44 C 04 12 31.70 +22 53 12.9 388
2002-01-22 13:28:19 C 04 12 31.56 +22 53 15.5 388
2002-01-22 13:43:21 C 04 12 31.44 +22 53 18.1 388
2002-01-31 10:04:00 C 04 14 05.30 +23 35 24.5 341
2002-01-31 10:23:59 C 04 14 05.61 +23 35 28.3 341
2002-01-31 10:34:00 C 04 14 05.87 +23 35 30.3 341
2002-02-01 09:29:00 C 04 14 36.36 +23 40 35.0 341
2002-02-01 10:05:00 C 04 14 36.96 +23 40 42.0 341
2002-02-01 10:29:00 C 04 14 37.42 +23 40 48.3 341
2002-02-06 03:54:27 C 04 18 01.40 +24 07 13.1 19.5 c 704
2002-02-06 04:16:17 C 04 18 02.14 +24 07 17.6 19.5 c 704
2002-02-06 04:37:24 C 04 18 02.90 +24 07 22.8 20.0 c 704
2004-09-12 10:01:23 C 00 26 43.88 -04 29 35.0 c 671
2004-09-12 10:07:46 C 00 26 43.47 -04 29 37.2 c 671
2004-09-12 10:10:29 C 00 26 43.27 -04 29 39.2 c 671
2004-09-12 10:16:22 C 00 26 42.88 -04 29 41.3 c 671
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)