2005 WK56

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3926241763 ± 3.78e-07
Semi-major axis (a)1.6213826524 AU ± 8.65e-07
Inclination (i)5.34856510° ± 6.62e-06
Long. of Asc. Node (Ω)76.44018566° ± 9.92e-06
Arg. of Perihelion (ω)321.71504071° ± 7.92e-05
Mean Anomaly (M)254.86829272° ± 2.81e-03
Mean Motion (n)0.4774017350°/day ± 3.82e-07
Perihelion dist (q)0.98478862 AU ± 8.07e-07
Aphelion dist (Q)2.25797668 AU ± 1.35e-06
Orbital Period2.06456368 yr ± 1.65e-06
Physical Parameters
H (abs. magnitude)22.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.457″
Uncertainty1
Orbit TypeApollo
MOID0.030930 AU
Observations Used134
Radar Obs Used2
Oppositions1
Arc Total2005-2005
First Observation Used2005-11-30
Last Observation Used2005-12-26
Observations (146)
Date Type RA Dec Mag Band Observatory
2005-11-30 06:31:35 C 02 27 12.52 -08 38 34.5 r 703
2005-11-30 06:35:26 C 02 27 14.72 -08 37 52.4 r 703
2005-11-30 06:43:56 C 02 27 19.58 -08 36 18.0 r 703
2005-11-30 06:47:47 C 02 27 21.78 -08 35 35.7 r 703
2005-11-30 06:56:18 C 02 27 26.74 -08 34 00.6 r 703
2005-11-30 07:00:07 C 02 27 28.87 -08 33 19.1 r 703
2005-11-30 07:12:29 C 02 27 36.00 -08 31 02.2 r 703
2005-11-30 08:22:47 C 02 28 16.78 -08 18 03.2 r 703
2005-11-30 08:23:17 C 02 28 17.04 -08 17 57.3 r 703
2005-11-30 08:23:47 C 02 28 17.29 -08 17 52.7 r 703
2005-11-30 08:24:17 C 02 28 17.58 -08 17 47.3 r 703
2005-11-30 12:53:14 C 02 31 05.69 -07 24 28.8 o 474
2005-11-30 12:54:15 C 02 31 06.28 -07 24 17.8 o 474
2005-11-30 12:54:55 C 02 31 06.68 -07 24 10.5 o 474
2005-11-30 12:55:54 C 02 31 07.25 -07 23 59.5 o 474
2005-11-30 13:50:33 C 02 31 38.97 -07 13 58.2 o 474
2005-11-30 13:51:32 C 02 31 39.51 -07 13 46.8 o 474
2005-11-30 13:52:33 C 02 31 40.10 -07 13 36.0 o 474
2005-11-30 15:19:02 C 02 32 31.09 -06 57 44.3 o 474
2005-11-30 15:21:02 C 02 32 32.20 -06 57 22.7 o 474
2005-11-30 15:25:15 C 02 32 34.74 -06 56 36.5 o 474
2005-11-30 18:35:09 C 02 34 45.27 -06 26 52.8 r 143
2005-11-30 18:36:37 C 02 34 46.11 -06 26 38.1 r 143
2005-11-30 18:38:36 C 02 34 47.23 -06 26 15.4 r 143
2005-11-30 18:40:29 C 02 34 48.33 -06 25 56.0 r 143
2005-11-30 19:40:08 C 02 35 22.42 -06 15 08.2 17.1 r 147
2005-11-30 19:42:14 C 02 35 23.58 -06 14 44.9 16.9 r 147
2005-11-30 19:44:07 C 02 35 24.67 -06 14 24.5 17.1 r 147
2005-11-30 19:46:38 C 02 35 26.09 -06 13 57.3 17.2 r 147
2005-11-30 19:48:57 C 02 35 27.40 -06 13 32.6 16.9 r 147
2005-11-30 19:51:03 C 02 35 28.57 -06 13 09.3 16.8 r 147
2005-11-30 19:52:57 C 02 35 29.64 -06 12 49.0 17.1 r 147
2005-11-30 19:56:18 C 02 35 31.49 -06 12 12.6 16.8 r 147
2005-11-30 21:18:53 C 02 36 17.85 -05 57 17.8 o 204
2005-11-30 21:21:04 C 02 36 19.08 -05 56 54.0 o 204
2005-11-30 21:23:16 C 02 36 20.31 -05 56 30.3 o 204
2005-11-30 22:04:12 C 02 36 43.22 -05 49 06.2 o 204
2005-11-30 22:05:51 C 02 36 44.13 -05 48 48.3 o 204
2005-12-01 03:11:31 C 02 39 43.82 -04 49 38.1 c 844
2005-12-01 03:14:12 C 02 39 45.33 -04 49 09.2 c 844
2005-12-01 03:16:56 C 02 39 46.78 -04 48 39.8 c 844
2005-12-01 03:19:40 C 02 39 48.35 -04 48 10.8 c 844
2005-12-01 03:22:24 C 02 39 49.83 -04 47 41.0 c 844
2005-12-01 03:25:06 C 02 39 51.28 -04 47 12.2 c 844
2005-12-01 03:27:50 C 02 39 52.81 -04 46 42.5 c 844
2005-12-01 03:30:35 C 02 39 54.32 -04 46 12.3 c 844
2005-12-01 03:33:17 C 02 39 55.82 -04 45 43.3 c 844
2005-12-01 03:36:00 C 02 39 57.33 -04 45 13.9 c 844
2005-12-01 03:38:43 C 02 39 58.82 -04 44 44.6 c 844
2005-12-01 03:41:26 C 02 40 00.29 -04 44 15.4 c 844
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-12-03 02:35:00 -51101.9482 1 Hz 2380 -1 -1
2005-12-03 02:47:00 47136823.75 8 us 2380 -1 -1
2005-12-04 01:51:00 -58965.1017 0.1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)