216258 (2006 WH1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4850677492 ± 3.14e-08
Semi-major axis (a)1.6712799161 AU ± 5.67e-10
Inclination (i)2.63336005° ± 2.38e-06
Long. of Asc. Node (Ω)240.30357959° ± 1.87e-05
Arg. of Perihelion (ω)263.69685753° ± 2.10e-05
Mean Anomaly (M)248.01602114° ± 1.87e-06
Mean Motion (n)0.4561823570°/day ± 2.32e-10
Perihelion dist (q)0.86059593 AU ± 5.25e-08
Aphelion dist (Q)2.48196390 AU ± 5.25e-08
Orbital Period2.16059711 yr ± 1.10e-09
Physical Parameters
H (abs. magnitude)20.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.358″
Uncertainty0
Orbit TypeApollo
MOID0.023560 AU
Observations Used888
Radar Obs Used2
Oppositions7
Arc Total2006-2022
First Observation Used2006-10-23
Last Observation Used2022-05-26
Observations (947)
Date Type RA Dec Mag Band Observatory
2006-11-30 20:43:11 C 03 57 19.92 +18 21 57.2 c A53
2006-11-30 20:53:26 C 03 57 19.16 +18 21 46.6 c A53
2006-11-30 20:55:04 C 03 57 19.13 +18 21 44.5 c A24
2006-11-30 21:04:00 C 03 57 18.38 +18 21 35.9 c A53
2006-11-30 21:14:34 C 03 57 17.59 +18 21 24.8 c A53
2006-11-30 23:22:24 C 03 57 08.09 +18 19 08.9 c A24
2006-12-01 01:19:48 C 03 56 59.44 +18 17 00.6 r 204
2006-12-01 01:58:41 C 03 56 56.63 +18 16 17.6 r 204
2006-12-01 03:37:22 C 03 56 49.76 +18 14 26.8 r 204
2006-12-01 03:59:55 C 03 56 52.96 +18 14 20.1 c 691
2006-12-01 04:24:51 C 03 56 51.08 +18 13 54.0 c 691
2006-12-01 04:49:47 C 03 56 49.17 +18 13 27.9 c 691
2006-12-01 05:40:50 C 03 56 45.55 +18 12 31.1 d G72
2006-12-01 05:42:32 C 03 56 45.39 +18 12 29.0 d G72
2006-12-01 05:45:57 C 03 56 45.15 +18 12 26.1 d G72
2006-12-01 05:49:23 C 03 56 44.87 +18 12 22.6 d G72
2006-12-01 05:52:48 C 03 56 44.62 +18 12 18.2 d G72
2006-12-01 05:54:30 C 03 56 44.48 +18 12 16.7 d G72
2006-12-01 13:42:10 C 03 56 13.19 +18 03 40.3 m 355
2006-12-01 13:44:47 C 03 56 12.97 +18 03 37.6 m 355
2006-12-01 13:47:16 C 03 56 12.80 +18 03 34.6 m 355
2006-12-01 13:49:46 C 03 56 12.56 +18 03 32.6 m 355
2006-12-01 13:52:13 C 03 56 12.39 +18 03 29.2 m 355
2006-12-02 07:05:45 C 03 55 01.24 +17 43 43.2 r H45
2006-12-02 07:06:55 C 03 55 01.11 +17 43 41.5 r H45
2006-12-02 07:07:20 C 03 55 02.52 +17 43 43.0 d G72
2006-12-02 07:11:20 C 03 55 02.08 +17 43 38.0 d G72
2006-12-02 07:12:33 C 03 55 00.67 +17 43 34.4 r H45
2006-12-02 07:15:23 C 03 55 01.76 +17 43 32.8 d G72
2006-12-02 07:15:56 C 03 55 00.38 +17 43 30.3 r H45
2006-12-02 07:17:07 C 03 55 00.29 +17 43 29.0 r H45
2006-12-02 07:17:23 C 03 55 01.64 +17 43 31.8 d G72
2006-12-02 07:17:51 C 03 55 00.22 +17 43 28.1 r H45
2006-12-02 07:19:30 C 03 55 00.08 +17 43 26.1 r H45
2006-12-02 07:21:26 C 03 55 01.31 +17 43 25.6 d G72
2006-12-02 07:25:28 C 03 55 00.98 +17 43 21.9 d G72
2006-12-03 06:54:52 C 03 53 21.09 +17 14 30.8 d G72
2006-12-03 07:07:39 C 03 53 19.95 +17 14 14.4 d G72
2006-12-03 07:19:37 C 03 53 18.89 +17 14 00.0 d G72
2006-12-03 07:21:38 C 03 53 18.75 +17 13 57.0 d G72
2006-12-03 07:23:38 C 03 53 18.56 +17 13 53.9 d G72
2006-12-03 07:25:38 C 03 53 18.39 +17 13 52.0 d G72
2006-12-05 07:09:55 C 03 49 32.77 +16 07 30.3 r H45
2006-12-05 07:10:41 C 03 49 32.67 +16 07 29.2 r H45
2006-12-05 07:12:29 C 03 49 32.52 +16 07 26.6 r H45
2006-12-05 07:13:07 C 03 49 32.45 +16 07 25.6 r H45
2006-12-05 07:14:43 C 03 49 32.31 +16 07 22.9 r H45
2006-12-05 07:16:21 C 03 49 32.14 +16 07 20.4 r H45
2006-12-06 06:48:35 C 03 47 32.22 +15 30 22.1 d G72
2006-12-06 06:52:39 C 03 47 31.76 +15 30 15.7 d G72
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-12-13 05:15:00 63856438.1 4 us 2380 -1 -1
2019-12-13 06:03:00 63673115.25 0.4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)