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
2012-03-19 21:03:51 C 09 39 52.94 +42 47 32.8 u 160
2012-03-19 21:29:23 C 09 39 55.31 +42 47 28.8 c 127
2012-03-19 21:34:35 C 09 39 55.71 +42 47 29.9 c 127
2012-03-19 21:40:35 C 09 39 56.21 +42 47 30.7 c 127
2012-03-19 21:46:50 C 09 39 56.71 +42 47 31.5 c 127
2012-03-20 20:44:28 C 09 42 15.14 +42 51 08.6 u 089
2012-03-20 20:46:40 C 09 42 15.35 +42 51 08.8 u 089
2012-03-20 20:48:52 C 09 42 15.51 +42 51 09.0 u 089
2012-03-20 20:51:04 C 09 42 15.69 +42 51 09.2 u 089
2012-03-20 20:53:16 C 09 42 15.88 +42 51 09.2 u 089
2012-03-20 20:55:28 C 09 42 16.07 +42 51 09.5 u 089
2012-03-20 21:35:50 C 09 42 19.49 +42 51 12.4 u 089
2012-03-20 21:38:02 C 09 42 19.70 +42 51 12.5 u 089
2012-03-20 21:40:14 C 09 42 19.87 +42 51 12.2 u 089
2012-03-20 21:42:26 C 09 42 20.07 +42 51 12.5 u 089
2012-03-20 21:44:38 C 09 42 20.26 +42 51 12.7 u 089
2012-03-20 21:46:50 C 09 42 20.47 +42 51 12.4 u 089
2012-03-21 11:38:43 C 09 43 52.02 +42 53 10.3 u 379
2012-03-21 11:52:48 C 09 43 53.17 +42 53 12.6 u 379
2012-03-21 11:58:28 C 09 43 53.66 +42 53 13.4 u 379
2012-03-21 12:01:08 C 09 43 53.85 +42 53 13.7 u 379
2012-03-21 23:09:09 C 09 45 02.98 +42 53 55.3 c A24
2012-03-21 23:10:13 C 09 45 03.07 +42 53 55.5 c A24
2012-03-22 20:00:48 C 09 47 26.78 +42 55 04.0 c 127
2012-03-22 20:13:14 C 09 47 27.97 +42 55 04.8 c 127
2012-03-22 20:20:04 C 09 47 28.63 +42 55 05.4 c 127
2012-03-23 03:14:09 C 09 48 17.76 +42 55 38.1 o G48
2012-03-23 03:14:54 C 09 48 17.83 +42 55 38.2 o G48
2012-03-23 03:15:38 C 09 48 17.90 +42 55 38.1 o G48
2012-03-23 03:17:05 C 09 48 18.04 +42 55 37.8 o G48
2012-03-23 03:18:36 C 09 48 18.16 +42 55 37.9 o G48
2012-03-23 03:19:20 C 09 48 18.21 +42 55 37.7 o G48
2012-03-23 03:20:05 C 09 48 18.30 +42 55 38.2 o G48
2012-03-23 03:20:49 C 09 48 18.33 +42 55 38.5 o G48
2012-03-23 22:21:46 C 09 50 28.32 +42 55 17.6 u C47
2012-03-23 22:23:22 C 09 50 28.48 +42 55 17.3 u C47
2012-03-23 22:26:02 C 09 50 28.75 +42 55 17.3 u C47
2012-03-26 20:45:37 C 09 59 29.86 +42 48 28.3 c A24
2012-03-26 20:46:39 C 09 59 29.98 +42 48 28.0 c A24
2012-03-26 21:51:33 C 09 59 37.34 +42 48 15.6 c A24
2012-03-26 21:52:36 C 09 59 37.45 +42 48 15.4 c A24
2012-03-27 00:21:50 C 09 59 54.039 +42 47 21.13 u 089
2012-03-27 00:23:55 C 09 59 54.301 +42 47 20.39 u 089
2012-03-27 00:26:00 C 09 59 54.568 +42 47 19.60 u 089
2012-03-27 00:28:05 C 09 59 54.840 +42 47 19.10 u 089
2012-03-27 00:30:10 C 09 59 55.121 +42 47 18.18 u 089
2012-03-27 00:44:36 C 10 00 04.10 +42 47 45.5 u I15
2012-03-27 00:53:25 C 10 00 05.11 +42 47 44.5 u I15
2012-03-27 01:02:14 C 10 00 06.11 +42 47 43.4 u I15
2012-03-27 05:08:25 C 10 00 37.33 +42 47 09.4 16.5 c 704
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)