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
2012-02-11 05:38:20 C 09 18 39.13 +31 16 46.1 r 703
2012-02-11 05:50:27 C 09 18 38.62 +31 17 00.2 r 703
2012-02-11 06:02:32 C 09 18 38.26 +31 17 13.5 r 703
2012-02-11 06:14:54 C 09 18 37.90 +31 17 26.9 r 703
2012-02-12 06:38:31 C 09 18 14.80 +31 43 28.5 16.6 c 704
2012-02-12 06:55:53 C 09 18 14.27 +31 43 46.7 16.7 c 704
2012-02-12 07:13:14 C 09 18 13.72 +31 44 05.1 16.7 c 704
2012-02-12 07:30:37 C 09 18 13.21 +31 44 23.6 16.6 c 704
2012-02-12 07:48:12 C 09 18 12.77 +31 44 42.3 17.3 c 704
2012-02-14 21:56:06 C 09 17 17.78 +32 50 51.1 c A24
2012-02-14 21:57:08 C 09 17 17.74 +32 50 52.1 c A24
2012-02-14 23:55:30 C 09 17 14.41 +32 52 58.7 c A24
2012-02-14 23:56:32 C 09 17 14.37 +32 52 59.7 c A24
2012-02-15 07:46:31 C 09 17 10.463 +33 01 39.42 L F51
2012-02-15 08:03:59 C 09 17 09.943 +33 01 59.14 L F51
2012-02-15 11:16:19 C 09 17 03.781 +33 05 26.09 L F51
2012-02-15 11:33:16 C 09 17 03.248 +33 05 43.37 L F51
2012-02-16 21:28:43 C 09 16 37.23 +33 41 19.4 c A24
2012-02-16 21:29:45 C 09 16 37.22 +33 41 20.4 c A24
2012-02-16 23:11:13 C 09 16 34.44 +33 43 09.1 c A24
2012-02-16 23:12:15 C 09 16 34.42 +33 43 10.2 c A24
2012-02-17 10:08:04 C 09 16 22.91 +33 54 37.3 P 716
2012-02-17 10:28:57 C 09 16 22.47 +33 54 57.4 P 716
2012-02-17 10:49:50 C 09 16 22.02 +33 55 17.3 P 716
2012-02-17 11:12:28 C 09 16 21.61 +33 55 38.7 P 716
2012-02-17 11:33:25 C 09 16 21.23 +33 55 58.7 P 716
2012-02-17 21:14:42 C 09 16 19.24 +34 06 21.9 w I99
2012-02-17 21:22:57 C 09 16 19.02 +34 06 31.1 w I99
2012-02-17 21:29:08 C 09 16 18.85 +34 06 38.1 w I99
2012-02-17 21:37:32 C 09 16 17.87 +34 06 45.1 c A24
2012-02-17 21:38:34 C 09 16 17.84 +34 06 46.2 c A24
2012-02-18 04:33:53 C 09 16 13.72 +34 14 10.5 r 703
2012-02-18 04:45:09 C 09 16 13.44 +34 14 22.8 r 703
2012-02-18 04:56:30 C 09 16 13.11 +34 14 35.4 r 703
2012-02-18 05:07:59 C 09 16 12.79 +34 14 48.0 r 703
2012-02-18 13:12:42 C 09 16 06.13 +34 23 14.0 u 379
2012-02-18 13:15:22 C 09 16 06.07 +34 23 17.1 u 379
2012-02-18 13:39:04 C 09 16 05.41 +34 23 41.9 u 379
2012-02-19 03:06:16 C 09 15 58.03 +34 37 28.7 P 716
2012-02-19 03:43:30 C 09 15 57.17 +34 38 10.2 P 716
2012-02-19 04:07:05 C 09 15 56.59 +34 38 36.2 P 716
2012-02-19 04:38:57 C 09 15 55.80 +34 39 11.0 P 716
2012-02-19 05:23:57 C 09 15 54.60 +34 39 59.3 P 716
2012-02-19 20:58:06 C 09 15 45.30 +34 55 44.8 o J16
2012-02-19 21:08:05 C 09 15 45.11 +34 55 55.1 o J16
2012-02-19 21:18:06 C 09 15 44.91 +34 56 06.3 o J16
2012-02-20 21:33:10 C 09 15 27.54 +35 20 50.5 r 168
2012-02-20 21:36:30 C 09 15 27.49 +35 20 53.6 r 168
2012-02-20 21:41:00 C 09 15 27.41 +35 20 58.0 r 168
2012-02-21 02:30:40 C 09 15 29.47 +35 26 01.9 P 716
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)