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
2006-12-06 06:56:43 C 03 47 31.32 +15 30 09.2 d G72
2006-12-06 07:00:46 C 03 47 30.92 +15 30 02.1 d G72
2006-12-06 07:02:48 C 03 47 30.67 +15 29 58.8 d G72
2006-12-06 07:04:52 C 03 47 30.48 +15 29 55.3 d G72
2006-12-06 07:22:03 C 03 47 27.12 +15 29 23.0 r H45
2006-12-06 07:23:42 C 03 47 26.95 +15 29 20.0 r H45
2006-12-06 07:24:45 C 03 47 26.85 +15 29 18.3 r H45
2006-12-06 07:26:07 C 03 47 26.70 +15 29 15.9 r H45
2006-12-06 07:27:20 C 03 47 26.56 +15 29 14.0 r H45
2006-12-06 07:29:27 C 03 47 26.36 +15 29 10.3 r H45
2006-12-07 05:00:10 C 03 45 31.35 +14 52 23.8 o 644
2006-12-07 05:30:23 C 03 45 27.96 +14 51 30.6 o 644
2006-12-07 06:02:38 C 03 45 24.32 +14 50 33.3 o 644
2006-12-07 07:33:48 C 03 45 14.13 +14 47 48.7 d G72
2006-12-07 07:35:30 C 03 45 13.90 +14 47 45.7 d G72
2006-12-07 07:37:11 C 03 45 13.75 +14 47 43.2 d G72
2006-12-07 07:40:33 C 03 45 13.36 +14 47 36.5 d G72
2006-12-07 07:42:15 C 03 45 13.19 +14 47 33.8 d G72
2006-12-07 07:43:56 C 03 45 12.97 +14 47 30.1 d G72
2006-12-08 06:27:43 C 03 42 58.99 +14 04 47.2 d G72
2006-12-08 06:29:24 C 03 42 58.79 +14 04 41.7 d G72
2006-12-08 06:32:45 C 03 42 58.37 +14 04 35.0 d G72
2006-12-08 06:37:48 C 03 42 57.75 +14 04 25.5 d G72
2006-12-08 06:42:52 C 03 42 57.17 +14 04 15.5 d G72
2006-12-08 06:46:15 C 03 42 56.77 +14 04 08.7 d G72
2006-12-08 07:06:04 C 03 42 52.76 +14 03 15.4 r H51
2006-12-08 07:07:58 C 03 42 52.54 +14 03 11.6 r H51
2006-12-08 07:09:53 C 03 42 52.30 +14 03 07.8 r H51
2006-12-08 07:11:49 C 03 42 52.08 +14 03 03.9 r H51
2006-12-08 07:13:46 C 03 42 51.89 +14 03 00.1 r H51
2006-12-08 07:15:41 C 03 42 51.65 +14 02 56.3 r H51
2006-12-08 07:17:36 C 03 42 51.41 +14 02 52.3 r H51
2006-12-08 07:19:32 C 03 42 51.20 +14 02 48.4 r H51
2006-12-08 07:21:27 C 03 42 50.96 +14 02 44.4 r H51
2006-12-08 07:23:24 C 03 42 50.77 +14 02 40.7 r H51
2006-12-08 20:57:38 C 03 41 29.35 +13 35 16.8 r 941
2006-12-08 21:01:24 C 03 41 28.90 +13 35 08.9 r 941
2006-12-08 21:02:32 C 03 41 28.75 +13 35 06.6 r 941
2006-12-08 21:03:17 C 03 41 28.67 +13 35 05.2 r 941
2006-12-09 00:48:38 C 03 41 05.21 +13 27 08.5 r H98
2006-12-09 01:04:56 C 03 41 03.25 +13 26 34.5 r H98
2006-12-09 01:15:15 C 03 41 02.05 +13 26 13.8 r H98
2006-12-09 01:30:27 C 03 41 00.11 +13 25 41.3 r H98
2006-12-09 07:15:28 C 03 40 18.79 +13 13 29.7 o 699
2006-12-09 07:36:31 C 03 40 16.05 +13 12 43.3 o 699
2006-12-09 07:57:35 C 03 40 13.33 +13 11 56.4 o 699
2006-12-09 08:18:41 C 03 40 10.65 +13 11 10.2 o 699
2006-12-09 20:26:40 C 03 38 52.21 +12 43 55.1 r A67
2006-12-09 20:29:51 C 03 38 51.75 +12 43 47.1 r A67
2006-12-09 20:31:28 C 03 38 51.54 +12 43 43.4 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)