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
2012-03-27 05:23:31 C 10 00 39.02 +42 47 06.0 16.5 c 704
2012-03-27 05:38:40 C 10 00 40.68 +42 47 02.6 16.7 c 704
2012-03-27 05:54:21 C 10 00 42.57 +42 46 59.8 17.4 c 704
2012-03-27 06:09:39 C 10 00 44.14 +42 46 54.6 16.6 c 704
2012-03-29 16:57:00 C 10 09 12.66 +42 30 21.9 r 168
2012-03-29 18:49:10 C 10 09 27.52 +42 29 42.2 r 168
2012-03-29 20:49:31 C 10 09 43.81 +42 28 51.5 r 168
2012-03-31 21:34:16 C 10 17 20.16 +42 08 40.7 o J16
2012-03-31 21:47:11 C 10 17 21.99 +42 08 34.4 o J16
2012-03-31 21:57:12 C 10 17 23.43 +42 08 29.6 o J16
2012-04-01 03:21:28 C 10 18 17.82 +42 06 16.2 r 703
2012-04-01 03:33:41 C 10 18 19.47 +42 06 11.4 r 703
2012-04-01 03:46:03 C 10 18 21.24 +42 06 05.7 r 703
2012-04-01 03:58:37 C 10 18 22.86 +42 06 00.7 r 703
2012-04-06 05:00:58 C 10 38 59.42 +40 45 01.0 u H36
2012-04-06 06:05:40 C 10 39 09.55 +40 44 01.9 u H36
2012-04-06 07:10:14 C 10 39 19.91 +40 43 00.1 u H36
2012-04-09 11:47:37 C 10 53 33.53 +39 29 23.4 o 300
2012-04-09 11:50:13 C 10 53 33.99 +39 29 20.5 o 300
2012-04-09 11:51:31 C 10 53 34.15 +39 29 19.6 o 300
2012-04-09 11:52:49 C 10 53 34.43 +39 29 18.0 o 300
2012-04-10 23:30:34 C 11 00 14.67 +38 48 07.2 u 089
2012-04-10 23:32:04 C 11 00 14.94 +38 48 05.2 u 089
2012-04-10 23:33:34 C 11 00 15.22 +38 48 03.2 u 089
2012-04-10 23:35:04 C 11 00 15.48 +38 48 01.3 u 089
2012-04-11 05:29:53 C 11 01 26.71 +38 41 30.9 15.9 c 704
2012-04-11 05:46:34 C 11 01 29.49 +38 41 10.3 16.2 c 704
2012-04-11 06:02:56 C 11 01 32.22 +38 40 49.3 16.2 c 704
2012-04-11 06:19:20 C 11 01 34.94 +38 40 28.2 16.1 c 704
2012-04-11 06:35:45 C 11 01 37.70 +38 40 07.0 16.0 c 704
2012-04-11 18:19:31 C 11 03 57.30 +38 25 18.5 u 089
2012-04-11 18:21:25 C 11 03 57.62 +38 25 16.1 u 089
2012-04-11 18:22:56 C 11 03 57.87 +38 25 14.4 u 089
2012-04-11 18:24:26 C 11 03 58.14 +38 25 12.5 u 089
2012-04-11 20:02:24 C 11 04 14.92 +38 23 10.4 u 089
2012-04-11 20:03:55 C 11 04 15.18 +38 23 08.4 u 089
2012-04-11 20:05:26 C 11 04 15.44 +38 23 06.5 u 089
2012-04-11 20:06:57 C 11 04 15.71 +38 23 04.6 u 089
2012-04-12 04:09:19 C 11 05 50.61 +38 13 10.2 16.3 c 704
2012-04-12 04:25:26 C 11 05 53.30 +38 12 48.4 16.1 c 704
2012-04-12 04:41:33 C 11 05 55.98 +38 12 28.0 16.0 c 704
2012-04-12 04:57:40 C 11 05 58.67 +38 12 07.3 15.9 c 704
2012-04-12 05:13:47 C 11 06 01.35 +38 11 46.3 16.0 c 704
2012-04-15 02:35:33 C 11 19 34.91 +36 34 25.5 u H23
2012-04-15 02:56:30 C 11 19 38.46 +36 33 54.5 u H23
2012-04-15 03:17:28 C 11 19 42.01 +36 33 23.0 u H23
2012-04-17 00:30:00 C 11 28 38.23 +35 21 00.7 u I15
2012-04-17 00:33:20 C 11 28 38.82 +35 20 55.4 u I15
2012-04-17 00:36:39 C 11 28 39.41 +35 20 50.0 u I15
2012-04-17 00:37:44 C 11 28 33.66 +35 20 28.5 16.0 o C60
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)