469896 (2005 WC1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4865683934 ± 8.89e-08
Semi-major axis (a)1.4005055739 AU ± 3.93e-09
Inclination (i)19.98103491° ± 1.11e-05
Long. of Asc. Node (Ω)264.93900806° ± 1.54e-06
Arg. of Perihelion (ω)256.81056665° ± 1.71e-05
Mean Anomaly (M)340.33979297° ± 2.06e-05
Mean Motion (n)0.5946823018°/day ± 2.50e-09
Perihelion dist (q)0.71906383 AU ± 1.24e-07
Aphelion dist (Q)2.08194732 AU ± 1.25e-07
Orbital Period1.65739972 yr ± 6.98e-09
Physical Parameters
H (abs. magnitude)20.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.449″
Uncertainty0
Orbit TypeApollo
MOID0.014309 AU
Observations Used211
Radar Obs Used4
Oppositions1
Arc Total2005-2024
First Observation Used2005-11-21
Last Observation Used2024-07-06
Observations (223)
Date Type RA Dec Mag Band Observatory
2005-11-21 07:35:43 C 05 52 32.55 +63 13 50.9 18.8 c 704
2005-11-21 07:53:56 C 05 52 33.92 +63 14 04.3 19.1 c 704
2005-11-21 08:30:20 C 05 52 36.72 +63 14 30.7 19.3 c 704
2005-11-22 05:39:59 C 05 54 39.00 +63 29 28.7 c 651
2005-11-22 05:45:16 C 05 54 39.35 +63 29 33.2 c 651
2005-11-22 05:51:53 C 05 54 39.99 +63 29 38.1 c 651
2005-11-22 07:24:50 C 05 54 45.98 +63 30 50.7 o 734
2005-11-22 07:33:17 C 05 54 46.74 +63 30 56.9 o 734
2005-11-22 07:39:39 C 05 54 47.21 +63 31 01.2 o 734
2005-11-22 07:42:04 C 05 54 48.78 +63 31 02.8 c 682
2005-11-22 07:43:15 C 05 54 48.31 +63 31 05.3 19.1 c 704
2005-11-22 08:02:03 C 05 54 49.93 +63 31 20.3 18.8 c 704
2005-11-22 08:04:13 C 05 54 50.53 +63 31 20.1 c 682
2005-11-22 08:20:41 C 05 54 51.32 +63 31 34.5 18.7 c 704
2005-11-22 08:26:23 C 05 54 52.20 +63 31 36.9 c 682
2005-11-22 08:39:21 C 05 54 52.80 +63 31 49.2 19.1 c 704
2005-11-22 08:57:59 C 05 54 54.15 +63 32 01.2 19.3 c 704
2005-11-22 10:53:30 C 05 55 03.89 +63 33 24.0 c 673
2005-11-22 11:06:50 C 05 55 04.91 +63 33 33.2 c 673
2005-11-22 11:14:40 C 05 55 05.54 +63 33 38.5 c 673
2005-11-22 11:20:19 C 05 55 05.98 +63 33 42.3 c 673
2005-11-23 08:01:24 C 05 57 13.67 +63 48 59.5 c 682
2005-11-23 08:34:40 C 05 57 16.64 +63 49 24.8 c 682
2005-11-23 09:07:58 C 05 57 19.20 +63 49 50.8 c 682
2005-11-23 14:08:36 C 05 57 47.29 +63 53 41.4 o F65
2005-11-23 14:10:11 C 05 57 47.42 +63 53 42.5 o F65
2005-11-23 14:11:41 C 05 57 47.52 +63 53 43.5 o F65
2005-11-25 08:55:49 C 06 02 37.33 +64 27 00.6 c 682
2005-11-25 09:30:12 C 06 02 40.56 +64 27 27.8 c 682
2005-11-25 10:02:23 C 06 02 43.74 +64 27 53.5 c 682
2005-11-26 07:41:07 C 06 05 29.50 +64 45 46.0 o G88
2005-11-26 07:55:23 C 06 05 31.02 +64 45 58.9 o G88
2005-11-26 08:09:49 C 06 05 32.54 +64 46 11.6 o G88
2005-11-27 05:35:32 C 06 08 31.33 +65 04 27.3 o G88
2005-11-27 05:49:44 C 06 08 33.27 +65 04 41.4 o G88
2005-11-27 06:03:47 C 06 08 34.89 +65 04 55.9 o G88
2005-11-28 06:13:00 C 06 12 14.09 +65 26 49.8 o G77
2005-11-28 06:48:19 C 06 12 18.91 +65 27 27.3 o G77
2005-11-28 07:21:31 C 06 12 23.48 +65 28 01.6 o G77
2005-11-28 07:58:11 C 06 12 28.35 +65 28 39.4 o G77
2005-11-28 08:34:48 C 06 12 33.37 +65 29 14.9 o G77
2005-12-01 21:59:47 C 06 30 18.94 +66 59 37.2 o A17
2005-12-01 22:17:11 C 06 30 23.33 +67 00 00.1 o A17
2005-12-01 22:30:19 C 06 30 26.46 +67 00 17.8 o A17
2005-12-04 02:56:03 C 06 48 05.36 +68 09 48.9 o G88
2005-12-04 03:01:58 C 06 48 07.89 +68 09 59.4 o G88
2005-12-04 03:07:30 C 06 48 10.22 +68 10 08.5 o G88
2005-12-05 03:14:33 C 06 59 12.32 +68 48 06.9 o J95
2005-12-05 03:17:51 C 06 59 13.91 +68 48 12.0 o J95
2005-12-05 03:21:08 C 06 59 15.50 +68 48 17.1 o J95
Radar Observations (9)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-12-14 13:00:00 -6206.102 0.5 Hz 2380 -1 -1
2005-12-14 14:15:00 -15634.7046 1 Hz 2380 -1 -1
2005-12-14 14:44:00 20198941.39 1 us 2380 -1 -1
2005-12-14 14:44:00 -19261.7405 1 Hz 2380 -1 -1
2005-12-14.541667 -620610 50 Hz 2380 251 251
2005-12-14.593750 -1563470 100 Hz 2380 251 251
2005-12-14.613889 2019894139 1000 us 2380 251 251
2005-12-15 13:30:00 -463428.4 1 Hz 8560 -14 -14
2005-12-15.562500 -46342840 100 Hz 8560 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)