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
2012-05-12 03:08:28 C 13 17 00.47 +12 16 53.4 o G48
2012-05-12 03:09:02 C 13 17 00.53 +12 16 52.1 o G48
2012-05-12 12:55:09 C 13 18 25.69 +11 52 40.3 u 379
2012-05-12 12:57:49 C 13 18 26.04 +11 52 33.7 u 379
2012-05-12 13:05:08 C 13 18 26.98 +11 52 15.7 u 379
2012-05-12 13:07:48 C 13 18 27.33 +11 52 08.9 u 379
2012-05-12 13:10:29 C 13 18 27.66 +11 52 02.5 u 379
2012-05-12 21:01:22 C 13 19 38.40 +11 32 22.6 u C39
2012-05-12 22:24:14 C 13 19 49.53 +11 28 58.4 u C39
2012-05-13 00:24:40 C 13 20 05.81 +11 24 01.1 15.8 o C60
2012-05-13 00:25:34 C 13 20 05.92 +11 23 58.2 15.6 o C60
2012-05-13 00:27:23 C 13 20 06.14 +11 23 54.5 15.5 o C60
2012-05-14 05:30:48 C 13 24 22.53 +10 13 18.3 r 703
2012-05-14 05:56:07 C 13 24 25.74 +10 12 16.7 r 703
2012-05-14 06:08:26 C 13 24 27.32 +10 11 46.8 r 703
2012-05-16 22:31:18 C 13 33 31.33 +07 38 01.2 c A24
2012-05-16 22:32:25 C 13 33 31.48 +07 37 58.8 c A24
2012-05-16 23:18:14 C 13 33 37.00 +07 36 12.1 u 160
2012-05-16 23:21:55 C 13 33 37.45 +07 36 02.9 u 160
2012-05-16 23:26:25 C 13 33 38.00 +07 35 52.3 u 160
2012-05-17 04:50:13 C 13 34 24.59 +07 23 28.4 16.2 c 704
2012-05-17 05:06:46 C 13 34 26.58 +07 22 49.8 16.7 c 704
2012-05-17 05:23:02 C 13 34 28.53 +07 22 11.9 16.5 c 704
2012-05-17 05:39:19 C 13 34 30.49 +07 21 33.7 16.3 c 704
2012-05-17 05:55:34 C 13 34 32.44 +07 20 55.8 16.1 c 704
2012-05-18 03:20:49 C 13 37 29.39 +06 31 21.5 16.2 c 704
2012-05-18 03:37:29 C 13 37 31.38 +06 30 43.4 16.6 c 704
2012-05-18 03:53:47 C 13 37 33.31 +06 30 06.1 16.5 c 704
2012-05-18 04:09:59 C 13 37 35.24 +06 29 29.2 16.4 c 704
2012-05-18 04:26:15 C 13 37 37.16 +06 28 51.8 16.2 c 704
2012-05-18 12:01:03 C 13 38 38.30 +06 11 29.1 u 379
2012-05-18 12:03:43 C 13 38 38.60 +06 11 23.2 u 379
2012-05-18 12:06:23 C 13 38 38.92 +06 11 16.8 u 379
2012-05-18 21:58:24 C 13 39 56.63 +05 48 40.4 u 160
2012-05-18 22:02:13 C 13 39 57.09 +05 48 31.6 u 160
2012-05-18 22:05:46 C 13 39 57.51 +05 48 23.6 u 160
2012-05-20 01:01:18 C 13 43 32.40 +04 47 57.3 u I15
2012-05-20 01:04:37 C 13 43 32.80 +04 47 50.1 u I15
2012-05-20 01:07:56 C 13 43 33.18 +04 47 42.6 u I15
2012-05-21 20:51:45 C 13 49 10.23 +03 12 09.7 w I99
2012-05-21 21:02:55 C 13 49 11.52 +03 11 45.1 w I99
2012-05-21 21:15:09 C 13 49 12.88 +03 11 19.1 w I99
2012-05-22 05:39:14 C 13 50 15.10 +02 53 28.2 H06
2012-05-22 05:45:17 C 13 50 15.85 +02 53 14.3 H06
2012-05-22 05:51:19 C 13 50 16.43 +02 53 02.8 H06
2012-05-22 05:57:22 C 13 50 17.18 +02 52 48.2 H06
2012-05-22 06:03:25 C 13 50 17.82 +02 52 36.4 H06
2012-05-22 07:26:36 C 13 50 27.42 +02 49 39.1 r 703
2012-05-22 07:46:12 C 13 50 29.61 +02 48 57.2 r 703
2012-05-22 07:56:01 C 13 50 30.76 +02 48 36.5 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)