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
2012-02-21 05:04:11 C 09 15 26.15 +35 28 47.6 P 716
2012-02-21 05:50:03 C 09 15 25.03 +35 29 34.7 P 716
2012-02-21 06:32:36 C 09 15 23.95 +35 30 17.6 P 716
2012-02-21 18:20:30 C 09 15 19.27 +35 41 51.4 r 168
2012-02-21 20:26:00 C 09 15 16.88 +35 43 56.5 r 168
2012-02-21 23:55:18 C 09 15 15.01 +35 47 37.1 c A24
2012-02-21 23:56:20 C 09 15 14.98 +35 47 38.1 c A24
2012-02-22 19:30:18 C 09 15 10.72 +36 06 53.7 u 113
2012-02-22 19:32:59 C 09 15 10.69 +36 06 56.3 u 113
2012-02-22 19:35:41 C 09 15 10.65 +36 06 59.2 u 113
2012-02-22 19:38:21 C 09 15 10.59 +36 07 01.9 u 113
2012-02-23 00:44:22 C 09 15 05.02 +36 12 09.3 c A24
2012-02-23 00:45:25 C 09 15 05.00 +36 12 10.1 c A24
2012-02-23 04:33:36 C 09 15 07.88 +36 16 08.2 r 703
2012-02-23 04:44:10 C 09 15 07.66 +36 16 20.2 r 703
2012-02-23 04:54:41 C 09 15 07.45 +36 16 30.0 r 703
2012-02-23 05:05:11 C 09 15 07.16 +36 16 40.9 r 703
2012-02-24 06:28:35 C 09 14 59.53 +36 41 11.6 P 716
2012-02-24 07:03:30 C 09 14 58.85 +36 41 44.5 P 716
2012-02-24 07:35:23 C 09 14 58.25 +36 42 13.6 P 716
2012-02-24 09:14:59 C 09 14 56.62 +36 43 41.7 P 716
2012-02-25 00:31:25 C 09 14 56.38 +36 58 11.9 c A24
2012-02-25 00:32:27 C 09 14 56.37 +36 58 12.8 c A24
2012-02-25 01:25:37 C 09 14 55.68 +36 58 59.2 c A24
2012-02-25 01:26:39 C 09 14 55.67 +36 59 00.1 c A24
2012-02-25 02:59:23 C 09 15 00.93 +37 00 34.2 P 716
2012-02-25 03:28:02 C 09 15 00.49 +37 01 03.6 P 716
2012-02-25 04:55:26 C 09 14 59.15 +37 02 30.8 P 716
2012-02-25 05:34:54 C 09 14 58.45 +37 03 09.1 P 716
2012-02-25 05:56:17 C 09 14 58.08 +37 03 28.6 P 716
2012-02-26 03:00:10 C 09 15 02.13 +37 22 57.5 P 716
2012-02-26 03:36:38 C 09 15 01.66 +37 23 34.2 P 716
2012-02-26 04:08:37 C 09 15 01.27 +37 24 05.5 P 716
2012-02-26 05:39:29 C 09 14 59.91 +37 25 32.4 P 716
2012-02-26 19:02:10 C 09 15 02.13 +37 37 25.7 r 168
2012-02-26 21:08:40 C 09 15 01.14 +37 39 16.5 r 168
2012-02-26 22:08:11 C 09 15 03.17 +37 40 26.4 c A24
2012-02-26 22:09:14 C 09 15 03.15 +37 40 27.3 c A24
2012-02-26 23:33:23 C 09 15 02.18 +37 41 41.7 c A24
2012-02-26 23:34:24 C 09 15 02.16 +37 41 42.6 c A24
2012-02-27 17:53:11 C 09 15 10.22 +37 57 53.5 r 168
2012-02-27 19:55:30 C 09 15 09.50 +37 59 41.4 r 168
2012-02-27 20:59:30 C 09 15 09.21 +38 00 35.4 r 168
2012-02-28 17:56:55 C 09 15 22.01 +38 18 54.6 r 168
2012-02-28 18:58:15 C 09 15 21.82 +38 19 47.5 r 168
2012-02-28 19:57:35 C 09 15 21.66 +38 20 37.7 r 168
2012-02-29 22:02:59 C 09 15 40.98 +38 42 56.8 C91
2012-02-29 22:12:59 C 09 15 40.93 +38 43 05.1 C91
2012-02-29 22:23:00 C 09 15 40.89 +38 43 13.3 C91
2012-03-01 04:32:12 C 09 15 48.38 +38 48 30.1 r 703
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)