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
2017-02-10 08:25:02 C 13 31 02.25 +04 01 59.0 u H21
2017-02-10 08:27:58 C 13 31 02.81 +04 01 57.7 u H21
2017-02-10 08:30:54 C 13 31 03.36 +04 01 56.5 u H21
2017-02-10 08:34:54 C 13 31 04.12 +04 01 54.7 u H21
2017-02-13 07:30:14 C 13 45 09.11 +03 29 10.8 u H21
2017-02-13 07:31:50 C 13 45 09.41 +03 29 10.2 u H21
2017-02-13 07:34:52 C 13 45 10.00 +03 29 08.7 u H21
2017-02-13 08:01:47 C 13 45 15.16 +03 28 56.4 u H21
2017-02-13 08:04:37 C 13 45 15.70 +03 28 55.1 u H21
2017-02-13 08:07:34 C 13 45 16.28 +03 28 53.7 u H21
2017-02-13 08:10:30 C 13 45 16.84 +03 28 52.5 u H21
2017-02-13 08:13:32 C 13 45 17.41 +03 28 51.0 u H21
2017-02-19 03:58:20 C 14 14 06.15 +02 21 55.7 q 160
2017-02-19 04:00:09 C 14 14 06.51 +02 21 54.7 q 160
2017-02-19 04:01:51 C 14 14 06.86 +02 21 53.8 q 160
2017-02-21 09:05:41 C 14 25 24.08 +01 55 52.0 q H15
2017-02-21 09:19:44 C 14 25 26.93 +01 55 45.2 q H15
2017-03-01 10:22:00 C 15 07 11.79 +00 18 15.8 q 703
2017-03-01 10:35:37 C 15 07 14.62 +00 18 08.6 q 703
2017-03-01 10:42:00 C 15 07 15.93 +00 18 04.6 q 703
2017-03-01 10:48:23 C 15 07 17.24 +00 18 01.8 q 703
2017-03-02 11:09:17 C 15 12 34.84 +00 05 33.5 q 703
2017-03-02 11:16:40 C 15 12 36.35 +00 05 29.5 q 703
2017-03-02 11:24:00 C 15 12 37.88 +00 05 25.6 q 703
2017-03-02 11:31:22 C 15 12 39.39 +00 05 22.3 q 703
2017-03-04 14:52:26 C 15 23 48.32 -00 20 52.5 L T05
2017-03-04 15:00:51 C 15 23 49.99 -00 20 56.5 L T05
2017-03-04 15:20:28 C 15 23 54.00 -00 21 07.1 L T05
2017-03-04 15:48:42 C 15 23 59.73 -00 21 21.4 L T05
2017-03-09 01:44:04 C 15 46 49.45 -01 16 06.6 q 160
2017-03-09 01:46:02 C 15 46 49.86 -01 16 07.7 q 160
2017-03-09 01:48:01 C 15 46 50.26 -01 16 08.7 q 160
2017-03-09 17:51:54 C 15 50 14.76 -01 23 20.4 q Q60
2017-03-09 18:00:57 C 15 50 16.59 -01 23 25.3 q Q60
2017-03-09 18:10:02 C 15 50 18.41 -01 23 30.0 q Q60
2017-03-11 02:04:26 C 15 57 04.20 -01 40 50.5 q 160
2017-03-11 02:06:23 C 15 57 04.59 -01 40 51.4 q 160
2017-03-11 02:08:19 C 15 57 04.98 -01 40 52.5 q 160
2017-03-11 07:52:02 C 15 58 17.35 -01 42 44.1 q W88
2017-03-11 08:11:18 C 15 58 21.17 -01 42 53.5 q W88
2017-03-11 08:21:46 C 15 58 23.25 -01 42 59.1 q W88
2017-03-11 08:39:21 C 15 58 26.72 -01 43 07.9 q W88
2017-03-12 14:36:04 C 16 04 42.90 -01 59 05.6 L T08
2017-03-12 14:48:04 C 16 04 45.14 -01 59 12.3 L T08
2017-03-12 14:55:24 C 16 04 46.51 -01 59 16.3 L T08
2017-03-12 15:21:54 C 16 04 51.77 -01 59 30.3 L T08
2017-03-15 08:10:28 C 16 18 14.92 -02 32 20.9 u H21
2017-03-15 08:13:18 C 16 18 15.47 -02 32 22.1 u H21
2017-03-15 08:16:15 C 16 18 16.04 -02 32 23.8 u H21
2017-03-15 08:19:11 C 16 18 16.62 -02 32 25.4 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)