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
2005-12-10 04:24:07 C 09 32 07.51 +71 16 52.1 c G77
2005-12-10 20:54:34 C 10 19 42.64 +70 19 41.1 c J87
2005-12-10 20:57:14 C 10 19 51.31 +70 19 28.0 c J87
2005-12-10 20:59:56 C 10 19 59.95 +70 19 14.3 c J87
2005-12-11 01:30:12 C 10 34 17.61 +69 53 52.9 o A74
2005-12-11 01:30:25 C 10 34 18.26 +69 53 51.7 o A74
2005-12-11 01:30:38 C 10 34 18.98 +69 53 50.2 o A74
2005-12-11 01:30:50 C 10 34 19.62 +69 53 48.9 o A74
2005-12-11 01:31:03 C 10 34 20.35 +69 53 47.3 o A74
2005-12-11 01:31:16 C 10 34 21.01 +69 53 46.0 o A74
2005-12-11 01:31:41 C 10 34 22.35 +69 53 43.3 o A74
2005-12-11 01:31:54 C 10 34 22.99 +69 53 41.7 o A74
2005-12-11 01:32:07 C 10 34 23.66 +69 53 40.4 o A74
2005-12-11 01:32:19 C 10 34 24.35 +69 53 39.0 o A74
2005-12-11 01:32:32 C 10 34 25.01 +69 53 37.6 o A74
2005-12-11 01:32:45 C 10 34 25.64 +69 53 36.4 o A74
2005-12-11 01:32:57 C 10 34 26.35 +69 53 34.7 o A74
2005-12-11 01:33:10 C 10 34 27.04 +69 53 33.4 o A74
2005-12-11 01:33:23 C 10 34 27.73 +69 53 31.8 o A74
2005-12-11 01:33:35 C 10 34 28.36 +69 53 30.7 o A74
2005-12-11 01:33:48 C 10 34 29.03 +69 53 29.3 o A74
2005-12-11 01:35:10 C 10 34 33.37 +69 53 20.3 o A74
2005-12-11 01:35:23 C 10 34 34.03 +69 53 18.9 o A74
2005-12-11 01:35:36 C 10 34 34.69 +69 53 17.6 o A74
2005-12-11 01:35:48 C 10 34 35.39 +69 53 16.2 o A74
2005-12-11 01:36:01 C 10 34 36.04 +69 53 14.8 o A74
2005-12-11 01:36:14 C 10 34 36.71 +69 53 13.3 o A74
2005-12-11 09:12:04 C 10 59 56.62 +68 49 49.4 c H45
2005-12-11 09:13:19 C 11 00 00.49 +68 49 37.3 c H45
2005-12-11 09:16:09 C 11 00 09.75 +68 49 10.0 c H45
2005-12-11 09:18:08 C 11 00 16.21 +68 48 50.3 c H45
2005-12-11 09:19:39 C 11 00 21.49 +68 48 35.7 c H45
2005-12-11 09:21:02 C 11 00 25.80 +68 48 22.6 c H45
2005-12-11 19:21:10 C 11 34 41.17 +66 43 04.7 m 300
2005-12-11 19:22:54 C 11 34 46.85 +66 42 39.0 m 300
2005-12-11 19:43:40 C 11 35 55.71 +66 37 27.2 m 300
2005-12-11 19:45:20 C 11 36 01.24 +66 37 01.7 m 300
2005-12-11 19:47:02 C 11 36 06.85 +66 36 36.2 m 300
2005-12-11 19:48:40 C 11 36 12.32 +66 36 10.7 m 300
2005-12-12 08:51:21 C 12 20 42.86 +62 13 56.3 c G77
2005-12-12 08:58:40 C 12 21 06.71 +62 11 01.2 c G77
2005-12-12 09:04:07 C 12 21 24.45 +62 08 51.3 c G77
2005-12-12 09:13:35 C 12 21 55.35 +62 05 04.3 c G77
2005-12-12 09:42:53 C 12 23 30.41 +61 53 11.9 c G77
2005-12-12 09:56:55 C 12 24 08.23 +61 48 42.8 c H45
2005-12-13 08:11:30 C 13 29 45.82 +48 23 46.0 r 918
2005-12-13 08:13:49 C 13 29 51.82 +48 21 58.0 r 918
2005-12-13 08:16:07 C 13 29 57.78 +48 20 11.1 r 918
2005-12-13 08:18:23 C 13 30 03.79 +48 18 24.1 r 918
2005-12-13 08:20:43 C 13 30 09.83 +48 16 35.3 r 918
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)