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
2022-06-11 07:28:26 C 21 03 50.686 -17 06 00.29 V W68
2022-06-11 07:31:50 C 21 03 50.698 -17 06 01.01 V W68
2022-06-11 07:37:08 C 21 03 50.594 -17 06 02.95 V W68
2022-06-11 07:45:02 C 21 03 50.527 -17 06 05.47 V W68
2022-06-12 09:20:49 C 21 03 40.997 -17 15 05.58 V W68
2022-06-12 09:25:29 C 21 03 40.901 -17 15 07.06 V W68
2022-06-12 09:31:00 C 21 03 41.904 -17 15 32.72 V 703
2022-06-12 09:39:11 C 21 03 41.670 -17 15 36.68 V 703
2022-06-12 09:39:24 C 21 03 40.709 -17 15 11.95 V W68
2022-06-12 09:47:22 C 21 03 41.551 -17 15 38.48 V 703
2022-06-12 09:55:32 C 21 03 41.468 -17 15 41.76 V 703
2022-06-12 10:30:14 C 21 03 40.068 -17 15 29.09 V W68
2022-06-13 08:33:01 C 21 03 29.966 -17 23 56.90 V G96
2022-06-13 08:41:53 C 21 03 29.822 -17 24 00.47 V G96
2022-06-13 08:50:48 C 21 03 29.678 -17 24 03.71 V G96
2022-06-13 08:59:42 C 21 03 29.556 -17 24 07.06 V G96
2022-06-21 09:27:52 C 20 59 12.822 -18 45 42.26 V 703
2022-06-21 09:40:12 C 20 59 12.314 -18 45 48.02 V 703
2022-06-21 09:45:55 C 20 59 12.077 -18 45 51.16 V 703
2022-06-21 09:51:37 C 20 59 11.929 -18 45 54.14 V 703
2022-06-21 11:12:05 C 20 59 09.794 -18 46 26.89 U F52
2022-06-21 11:29:35 C 20 59 09.085 -18 46 35.47 U F52
2022-06-21 11:47:10 C 20 59 08.367 -18 46 43.99 U F52
2022-06-21 12:04:40 C 20 59 07.651 -18 46 52.51 U F52
2022-06-22 19:02:15 C 20 57 59.609 -19 01 26.90 V P07
2022-06-22 20:04:07 C 20 57 56.818 -19 01 56.93 V P07
2022-06-22 20:11:52 C 20 57 56.486 -19 02 00.64 V P07
2022-06-22 21:16:56 C 20 57 53.520 -19 02 32.21 V P07
2022-07-21 04:53:23 C 20 12 44.542 -24 43 58.94 V W68
2022-07-21 04:58:58 C 20 12 44.074 -24 44 00.96 V W68
2022-07-21 05:06:52 C 20 12 43.428 -24 44 04.52 V W68
2022-07-21 05:24:40 C 20 12 41.971 -24 44 10.72 V W68
2022-07-22 06:11:31 C 20 10 49.747 -24 53 40.78 V W68
2022-07-22 06:15:26 C 20 10 49.430 -24 53 42.07 V W68
2022-07-22 06:23:17 C 20 10 48.785 -24 53 44.66 V W68
2022-07-22 06:43:13 C 20 10 47.206 -24 53 52.22 V W68
2022-07-22 10:12:08 C 20 10 32.378 -24 55 28.79 U F52
2022-07-22 10:25:51 C 20 10 31.263 -24 55 34.00 U F52
2022-07-22 10:53:19 C 20 10 29.031 -24 55 44.20 U F52
2022-07-23 14:53:51 C 20 08 25.29 -25 05 57.6 V D29
2022-07-23 15:14:13 C 20 08 23.72 -25 06 05.1 V D29
2022-07-23 15:34:35 C 20 08 22.07 -25 06 12.4 V D29
2022-07-24 02:39:04 C 20 07 34.11 -25 09 46.8 V W94
2022-07-24 02:47:11 C 20 07 33.47 -25 09 49.7 V W94
2022-07-24 02:55:20 C 20 07 32.82 -25 09 52.8 V W94
2022-07-26 03:54:31 C 20 04 02.998 -25 26 03.26 V W68
2022-07-26 03:59:17 C 20 04 02.638 -25 26 05.03 V W68
2022-07-26 04:21:30 C 20 04 00.948 -25 26 11.98 V W68
2022-07-26 04:31:30 C 20 04 00.199 -25 26 15.22 V W68
2022-07-31 21:25:02 C 19 55 09.982 -26 03 09.04 V M22
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)