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
2019-11-30 07:24:39 C 00 51 21.849 +01 03 23.82 U F52
2019-12-10 06:48:18 C 00 52 02.009 +01 45 46.08 U F51
2019-12-10 07:05:40 C 00 52 02.164 +01 45 50.01 U F51
2019-12-10 07:22:58 C 00 52 02.332 +01 45 54.05 U F51
2019-12-10 07:40:19 C 00 52 02.522 +01 45 57.68 U F51
2021-11-10 13:28:24 C 09 23 51.647 +15 20 40.66 U F51
2021-11-10 13:36:24 C 09 23 52.616 +15 20 36.87 U F51
2021-11-10 13:52:20 C 09 23 54.550 +15 20 29.59 U F51
2021-11-17 11:31:03 C 09 44 33.62 +13 59 26.5 V G96
2021-11-17 11:38:31 C 09 44 34.53 +13 59 23.0 V G96
2021-11-17 11:46:02 C 09 44 35.47 +13 59 19.0 V G96
2021-11-17 11:53:31 C 09 44 36.42 +13 59 15.7 V G96
2022-01-28 12:24:34 C 14 11 28.31 -06 34 58.7 V G96
2022-01-28 12:32:03 C 14 11 29.70 -06 35 04.8 V G96
2022-01-28 12:39:29 C 14 11 31.07 -06 35 10.6 V G96
2022-01-28 12:46:55 C 14 11 32.49 -06 35 16.1 V G96
2022-02-02 14:03:45 C 14 34 51.713 -08 07 54.98 U F52
2022-02-02 14:19:22 C 14 34 54.663 -08 08 06.71 U F52
2022-02-02 14:50:36 C 14 35 00.562 -08 08 30.07 U F52
2022-02-09 12:03:20 C 15 07 18.69 -10 05 47.0 V 703
2022-02-09 12:10:56 C 15 07 20.10 -10 05 51.8 V 703
2022-02-09 12:18:33 C 15 07 21.54 -10 05 57.2 V 703
2022-02-10 03:53:15 C 15 10 25.75 -10 16 24.2 X C95
2022-02-10 04:11:31 C 15 10 29.29 -10 16 36.5 X C95
2022-02-11 12:10:10 C 15 16 47.42 -10 37 31.3 V G96
2022-02-11 12:18:31 C 15 16 49.03 -10 37 36.8 V G96
2022-02-11 12:26:53 C 15 16 50.64 -10 37 42.3 V G96
2022-02-11 12:35:19 C 15 16 52.25 -10 37 47.8 V G96
2022-02-12 12:01:17 C 15 21 29.78 -10 52 48.4 V 703
2022-02-12 12:08:51 C 15 21 31.28 -10 52 52.9 V 703
2022-02-12 12:16:25 C 15 21 32.71 -10 52 58.9 V 703
2022-02-12 12:23:58 C 15 21 34.13 -10 53 04.2 V 703
2022-05-04 08:31:00 C 20 22 19.046 -15 26 19.10 V W68
2022-05-04 08:36:05 C 20 22 19.490 -15 26 18.85 V W68
2022-05-04 08:51:32 C 20 22 20.825 -15 26 18.20 V W68
2022-05-04 09:07:04 C 20 22 22.130 -15 26 17.20 V W68
2022-05-04 10:03:59 C 20 22 27.635 -15 26 35.23 V G96
2022-05-04 10:04:40 C 20 22 27.671 -15 26 35.02 V G96
2022-05-04 10:11:25 C 20 22 28.211 -15 26 35.05 V G96
2022-05-04 10:12:07 C 20 22 28.294 -15 26 34.94 V G96
2022-05-04 10:18:52 C 20 22 28.866 -15 26 34.37 V G96
2022-05-04 10:19:34 C 20 22 28.938 -15 26 34.30 V G96
2022-05-11 09:29:35 C 20 36 04.090 -15 19 43.32 V W68
2022-05-11 09:37:17 C 20 36 04.646 -15 19 43.75 V W68
2022-05-11 09:41:36 C 20 36 04.927 -15 19 43.25 V W68
2022-05-11 10:03:38 C 20 36 06.451 -15 19 43.10 V W68
2022-06-01 09:52:54 C 21 01 28.060 -16 01 17.11 V G96
2022-06-01 10:00:21 C 21 01 28.200 -16 01 18.66 V G96
2022-06-01 10:07:49 C 21 01 28.340 -16 01 20.32 V G96
2022-06-01 10:15:16 C 21 01 28.474 -16 01 21.90 V G96
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)