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
2005-12-09 21:26:23 C 04 13 47.36 +21 59 13.0 c A48
2005-12-09 21:29:04 C 04 13 48.14 +21 59 25.5 c A48
2005-12-09 21:31:45 C 04 13 48.91 +21 59 37.9 c A48
2005-12-10 00:49:02 C 04 14 45.99 +22 14 30.8 17.4 r 130
2005-12-10 00:52:47 C 04 14 47.05 +22 14 47.8 17.5 r 130
2005-12-10 00:57:35 C 04 14 48.45 +22 15 08.5 17.6 r 130
2005-12-10 01:02:10 C 04 14 49.82 +22 15 29.4 17.6 r 130
2005-12-10 02:33:46 C 04 15 29.30 +22 22 34.6 o 699
2005-12-10 03:06:41 C 04 15 38.98 +22 25 06.7 o 699
2005-12-10 03:39:36 C 04 15 48.44 +22 27 38.5 o 699
2005-12-10 04:12:29 C 04 15 57.79 +22 30 08.4 o 699
2005-12-10 06:16:08 C 04 16 31.58 +22 39 25.3 17.5 c 704
2005-12-10 06:35:01 C 04 16 36.80 +22 40 48.5 17.8 c 704
2005-12-10 06:53:58 C 04 16 42.01 +22 42 10.9 17.6 c 704
2005-12-10 07:12:22 C 04 16 47.09 +22 43 30.8 17.3 c 704
2005-12-10 07:26:48 C 04 16 49.40 +22 44 25.0 r H45
2005-12-10 07:28:33 C 04 16 49.84 +22 44 32.5 r H45
2005-12-10 07:30:48 C 04 16 50.50 +22 44 42.6 r H45
2005-12-10 07:30:48 C 04 16 52.16 +22 44 50.7 17.4 c 704
2005-12-10 07:33:16 C 04 16 51.19 +22 44 52.7 r H45
2005-12-11 20:30:46 C 04 27 42.46 +25 12 18.1 r 240
2005-12-11 20:31:16 C 04 27 42.59 +25 12 20.0 r 240
2005-12-11 20:33:38 C 04 27 43.21 +25 12 28.7 r 240
2005-12-11 20:35:03 C 04 27 43.53 +25 12 34.0 r 240
2005-12-11 20:36:29 C 04 27 43.88 +25 12 39.4 r 240
2005-12-11 20:38:52 C 04 27 44.51 +25 12 48.1 r 240
2005-12-11 20:39:49 C 04 27 44.74 +25 12 51.9 r 240
2005-12-11 20:42:12 C 04 27 45.33 +25 13 00.5 r 240
2005-12-11 20:46:57 C 04 27 46.51 +25 13 17.8 r 240
2005-12-16 23:02:42 C 04 55 36.84 +30 48 46.1 r 176
2005-12-16 23:06:44 C 04 55 37.56 +30 48 53.0 r 176
2005-12-16 23:08:33 C 04 55 37.88 +30 48 56.0 r 176
2005-12-17 22:46:55 C 04 59 56.56 +31 33 55.5 c A53
2005-12-17 23:00:08 C 04 59 58.67 +31 34 19.3 c A53
2005-12-17 23:10:42 C 05 00 00.28 +31 34 38.3 c A53
2005-12-18 23:26:38 C 05 04 07.97 +32 15 58.9 c A53
2005-12-18 23:40:56 C 05 04 10.06 +32 16 21.4 c A53
2005-12-18 23:54:08 C 05 04 11.97 +32 16 42.1 c A53
2005-12-24 06:20:51 C 05 21 53.32 +34 51 16.2 19.0 c 704
2005-12-24 06:39:48 C 05 21 55.18 +34 51 33.1 19.0 c 704
2005-12-24 06:58:52 C 05 21 56.99 +34 51 49.2 19.8 c 704
2005-12-24 07:18:05 C 05 21 58.92 +34 52 06.4 18.9 c 704
2005-12-24 07:37:24 C 05 22 00.79 +34 52 22.7 19.3 c 704
2005-12-26 01:08:21 C 05 26 41.38 +35 25 59.6 r 170
2005-12-26 01:09:33 C 05 26 41.52 +35 26 00.4 r 170
2005-12-26 01:11:24 C 05 26 41.70 +35 26 01.7 r 170
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)