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
2024-10-24 07:53:20 C 02 15 14.454 +07 18 31.10 V G96
2024-10-30 09:08:24 C 02 04 29.481 +06 30 01.65 X F51
2024-10-30 09:26:35 C 02 04 28.070 +06 29 55.87 X F51
2024-10-30 09:44:49 C 02 04 26.654 +06 29 49.98 X F51
2024-10-30 10:03:00 C 02 04 25.246 +06 29 44.10 X F51
2024-10-31 06:53:39 C 02 02 52.696 +06 23 01.82 V G96
2024-10-31 07:01:08 C 02 02 52.127 +06 22 59.59 V G96
2024-10-31 07:08:37 C 02 02 51.529 +06 22 56.96 V G96
2024-10-31 07:16:06 C 02 02 50.960 +06 22 54.70 V G96
2024-11-05 14:57:50 C 01 53 36.70 +05 44 46.4 V D29
2024-11-05 15:18:12 C 01 53 35.21 +05 44 40.8 V D29
2024-11-05 15:38:34 C 01 53 33.73 +05 44 34.9 V D29
2024-11-05 19:03:19 C 01 53 19.112 +05 43 37.10 O18
2024-11-05 19:05:37 C 01 53 18.921 +05 43 36.52 O18
2024-11-10 17:53:38 C 01 45 20.674 +05 13 46.93 O18
2024-11-10 17:55:27 C 01 45 20.555 +05 13 46.56 O18
2024-11-10 17:57:14 C 01 45 20.435 +05 13 46.14 O18
2024-11-19 18:07:57 C 01 33 14.250 +04 36 58.87 O18
2024-11-19 18:09:13 C 01 33 14.188 +04 36 58.71 O18
2024-11-19 18:10:30 C 01 33 14.120 +04 36 58.49 O18
2024-11-29 02:31:12 C 01 24 50.663 +04 25 36.62 V G96
2024-11-29 02:39:21 C 01 24 50.418 +04 25 36.52 V G96
2024-11-29 02:47:31 C 01 24 50.177 +04 25 36.62 V G96
2024-11-29 02:55:41 C 01 24 49.928 +04 25 36.91 V G96
2024-12-05 05:12:02 C 01 21 51.228 +04 33 08.37 X F51
2024-12-05 05:28:15 C 01 21 50.956 +04 33 09.82 X F51
2024-12-05 05:44:28 C 01 21 50.690 +04 33 11.40 X F51
2024-12-05 06:00:40 C 01 21 50.432 +04 33 12.82 X F51
2024-12-18 12:23:54 C 01 21 54.308 +05 25 51.14 O18
2024-12-18 13:10:46 C 01 21 54.814 +05 26 01.94 O18
2024-12-25 02:46:14 C 01 24 54.652 +06 07 35.08 V G96
2024-12-25 02:53:43 C 01 24 54.796 +06 07 38.17 V G96
2024-12-25 03:01:13 C 01 24 54.961 +06 07 40.37 V G96
2024-12-25 03:08:43 C 01 24 55.156 +06 07 42.38 V G96
2024-12-31 12:17:47 C 01 29 29.005 +06 56 09.95 O18
2024-12-31 15:14:57 C 01 29 34.845 +06 57 09.80 O18
2025-01-01 12:21:57 C 01 30 20.250 +07 04 25.44 O18
2025-01-01 14:55:39 C 01 30 25.552 +07 05 18.60 O18
2025-01-04 12:23:10 C 01 33 06.267 +07 30 06.04 O18
2025-01-04 13:29:51 C 01 33 08.841 +07 30 30.40 O18
2025-02-16 05:39:41 C 02 39 56.198 +15 08 48.88 X F52
2025-02-16 05:45:10 C 02 39 56.641 +15 08 51.83 X F52
2025-02-16 05:50:38 C 02 39 57.119 +15 08 54.27 X F52
2025-03-20 03:10:41 C 03 56 37.201 +20 57 28.26 V V00
2025-03-20 03:18:47 C 03 56 38.123 +20 57 31.50 V V00
2025-03-20 03:26:52 C 03 56 39.023 +20 57 34.42 V V00
2025-03-20 03:34:56 C 03 56 39.959 +20 57 37.58 V V00
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)