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
2006-12-09 20:33:04 C 03 38 51.33 +12 43 39.8 r A67
2006-12-09 20:34:39 C 03 38 51.09 +12 43 36.8 r A67
2006-12-09 20:36:15 C 03 38 50.93 +12 43 32.4 r A67
2006-12-09 20:37:51 C 03 38 50.67 +12 43 28.9 r A67
2006-12-09 20:39:27 C 03 38 50.50 +12 43 25.2 r A67
2006-12-09 20:41:02 C 03 38 50.33 +12 43 21.8 r A67
2006-12-09 20:42:38 C 03 38 50.04 +12 43 18.2 r A67
2006-12-09 20:44:13 C 03 38 49.85 +12 43 14.5 r A67
2006-12-09 20:45:49 C 03 38 49.58 +12 43 11.0 r A67
2006-12-09 20:47:25 C 03 38 49.40 +12 43 07.6 r A67
2006-12-09 20:49:01 C 03 38 49.23 +12 43 03.6 r A67
2006-12-09 20:50:38 C 03 38 49.06 +12 43 00.1 r A67
2006-12-09 20:52:14 C 03 38 48.77 +12 42 56.0 r A67
2006-12-09 20:53:49 C 03 38 48.58 +12 42 52.8 r A67
2006-12-09 20:55:26 C 03 38 48.39 +12 42 49.1 r A67
2006-12-09 20:57:02 C 03 38 48.13 +12 42 45.2 r A67
2006-12-09 20:58:37 C 03 38 47.96 +12 42 41.7 r A67
2006-12-09 21:00:13 C 03 38 47.73 +12 42 37.9 r A67
2006-12-09 21:01:49 C 03 38 47.53 +12 42 34.0 r A67
2006-12-09 21:03:25 C 03 38 47.28 +12 42 30.6 r A67
2006-12-09 21:05:02 C 03 38 47.10 +12 42 27.1 r A67
2006-12-09 21:06:36 C 03 38 46.89 +12 42 22.8 r A67
2006-12-09 21:08:13 C 03 38 46.66 +12 42 19.6 r A67
2006-12-09 21:09:49 C 03 38 46.46 +12 42 15.9 r A67
2006-12-09 21:11:25 C 03 38 46.24 +12 42 12.4 r A67
2006-12-09 21:13:01 C 03 38 46.05 +12 42 09.0 r A67
2006-12-09 21:14:36 C 03 38 45.79 +12 42 05.3 r A67
2006-12-09 21:16:12 C 03 38 45.60 +12 42 01.7 r A67
2006-12-09 21:17:47 C 03 38 45.39 +12 41 57.8 r A67
2006-12-09 21:19:23 C 03 38 45.19 +12 41 53.9 r A67
2006-12-09 21:20:59 C 03 38 44.97 +12 41 50.4 r A67
2006-12-09 21:22:35 C 03 38 44.76 +12 41 47.0 r A67
2006-12-09 21:24:10 C 03 38 44.53 +12 41 43.2 r A67
2006-12-09 21:25:48 C 03 38 44.34 +12 41 39.0 r A67
2006-12-09 21:27:24 C 03 38 44.10 +12 41 36.1 r A67
2006-12-09 21:29:00 C 03 38 43.89 +12 41 32.4 r A67
2006-12-09 21:30:35 C 03 38 43.72 +12 41 28.8 r A67
2006-12-09 21:32:10 C 03 38 43.47 +12 41 24.8 r A67
2006-12-09 21:33:46 C 03 38 43.27 +12 41 21.5 r A67
2006-12-09 21:35:21 C 03 38 43.05 +12 41 17.5 r A67
2006-12-09 21:36:57 C 03 38 42.86 +12 41 13.8 r A67
2006-12-09 21:38:32 C 03 38 42.63 +12 41 09.8 r A67
2006-12-09 21:40:08 C 03 38 42.39 +12 41 06.8 r A67
2006-12-09 21:41:44 C 03 38 42.19 +12 41 02.7 r A67
2006-12-09 21:43:20 C 03 38 41.97 +12 40 59.9 r A67
2006-12-09 21:44:55 C 03 38 41.75 +12 40 55.4 r A67
2006-12-09 21:46:31 C 03 38 41.54 +12 40 52.1 r A67
2006-12-09 21:48:08 C 03 38 41.35 +12 40 48.2 r A67
2006-12-09 21:49:44 C 03 38 41.14 +12 40 44.0 r A67
2006-12-09 21:51:19 C 03 38 40.95 +12 40 40.8 r A67
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)