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 21:52:55 C 03 38 40.70 +12 40 37.0 r A67
2006-12-09 21:54:31 C 03 38 40.49 +12 40 33.3 r A67
2006-12-09 21:56:07 C 03 38 40.28 +12 40 29.6 r A67
2006-12-09 21:57:42 C 03 38 40.07 +12 40 25.8 r A67
2006-12-09 21:59:17 C 03 38 39.83 +12 40 22.3 r A67
2006-12-09 22:00:53 C 03 38 39.64 +12 40 18.9 r A67
2006-12-09 22:02:28 C 03 38 39.42 +12 40 15.3 r A67
2006-12-09 22:04:04 C 03 38 39.19 +12 40 11.6 r A67
2006-12-09 22:05:39 C 03 38 39.00 +12 40 07.5 r A67
2006-12-09 22:07:15 C 03 38 38.78 +12 40 04.0 r A67
2006-12-09 22:08:53 C 03 38 38.57 +12 40 00.1 r A67
2006-12-09 22:10:28 C 03 38 38.31 +12 39 56.5 r A67
2006-12-09 22:12:05 C 03 38 38.16 +12 39 52.8 r A67
2006-12-09 22:13:40 C 03 38 37.92 +12 39 49.1 r A67
2006-12-09 22:15:16 C 03 38 37.68 +12 39 45.8 r A67
2006-12-09 22:16:51 C 03 38 37.49 +12 39 41.8 r A67
2006-12-09 22:18:27 C 03 38 37.29 +12 39 38.3 r A67
2006-12-09 22:20:02 C 03 38 37.09 +12 39 34.6 r A67
2006-12-09 22:21:38 C 03 38 36.87 +12 39 30.5 r A67
2006-12-09 22:24:52 C 03 38 36.44 +12 39 22.7 r A67
2006-12-09 22:34:26 C 03 38 35.16 +12 39 01.5 r A67
2006-12-09 22:36:02 C 03 38 34.95 +12 38 57.1 r A67
2006-12-09 22:42:24 C 03 38 34.07 +12 38 42.7 r A67
2006-12-09 22:45:35 C 03 38 33.67 +12 38 34.4 r A67
2006-12-09 22:47:10 C 03 38 33.39 +12 38 31.1 r A67
2006-12-09 22:48:48 C 03 38 33.21 +12 38 27.4 r A67
2006-12-09 22:50:23 C 03 38 33.02 +12 38 23.1 r A67
2006-12-09 22:55:11 C 03 38 32.37 +12 38 12.5 r A67
2006-12-09 22:58:22 C 03 38 31.96 +12 38 05.1 r A67
2006-12-09 22:59:57 C 03 38 31.70 +12 38 02.0 r A67
2006-12-09 23:01:33 C 03 38 31.48 +12 37 58.4 r A67
2006-12-09 23:03:09 C 03 38 31.33 +12 37 54.6 r A67
2006-12-09 23:04:45 C 03 38 31.09 +12 37 50.5 r A67
2006-12-10 12:15:19 C 03 36 58.99 +12 06 38.3 r 379
2006-12-10 12:37:41 C 03 36 55.79 +12 05 44.2 r 379
2006-12-10 12:42:52 C 03 36 55.00 +12 05 31.3 r 379
2006-12-10 12:48:02 C 03 36 54.32 +12 05 18.6 r 379
2006-12-10 13:35:36 C 03 36 47.50 +12 03 21.8 r 379
2006-12-10 13:57:20 C 03 36 45.79 +12 02 44.5 o D35
2006-12-10 14:01:34 C 03 36 45.18 +12 02 34.4 o D35
2006-12-10 14:03:34 C 03 36 44.86 +12 02 29.3 o D35
2006-12-10 14:07:35 C 03 36 44.29 +12 02 19.3 o D35
2006-12-10 18:03:58 C 03 36 18.02 +11 51 53.5 o 151
2006-12-10 18:05:04 C 03 36 17.86 +11 51 50.8 o 151
2006-12-10 18:06:08 C 03 36 17.71 +11 51 48.3 o 151
2006-12-10 18:07:18 C 03 36 17.55 +11 51 45.1 o 151
2006-12-10 18:08:25 C 03 36 17.41 +11 51 42.4 o 151
2006-12-10 18:09:32 C 03 36 17.26 +11 51 39.5 o 151
2006-12-10 18:10:39 C 03 36 17.10 +11 51 37.0 o 151
2006-12-10 18:23:03 C 03 36 15.46 +11 51 09.0 A48
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)