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
2006-12-16 20:38:40 C 03 11 32.11 +03 00 16.1 15.7 r 176
2006-12-16 20:39:23 C 03 11 31.93 +03 00 12.3 15.7 r 176
2006-12-16 20:40:07 C 03 11 31.73 +03 00 08.5 15.7 r 176
2006-12-16 20:40:52 C 03 11 31.55 +03 00 04.7 15.6 r 176
2006-12-16 20:41:36 C 03 11 31.35 +03 00 00.6 15.6 r 176
2006-12-18 02:24:29 C 03 04 06.10 +00 12 10.6 o H68
2006-12-18 02:29:40 C 03 04 04.53 +00 11 38.8 o H68
2006-12-18 02:34:51 C 03 04 02.96 +00 11 06.7 o H68
2006-12-18 02:50:22 C 03 03 58.21 +00 09 30.7 o H68
2006-12-18 02:55:32 C 03 03 56.63 +00 08 58.9 o H68
2006-12-18 03:00:43 C 03 03 55.04 +00 08 26.8 o H68
2006-12-18 03:05:52 C 03 03 53.46 +00 07 55.1 o H68
2006-12-18 05:42:51 C 03 03 09.98 -00 08 27.7 d G72
2006-12-18 05:47:23 C 03 03 08.56 -00 08 56.7 d G72
2006-12-18 05:51:53 C 03 03 07.13 -00 09 25.1 d G72
2006-12-18 05:56:24 C 03 03 05.79 -00 09 53.0 d G72
2006-12-18 06:00:57 C 03 03 04.33 -00 10 22.3 d G72
2006-12-18 06:05:26 C 03 03 02.96 -00 10 50.4 d G72
2006-12-18 12:51:16 C 03 01 08.93 -00 54 20.5 r 379
2006-12-18 12:58:16 C 03 01 06.69 -00 55 06.0 r 379
2006-12-18 13:06:21 C 03 01 04.12 -00 55 59.1 r 379
2006-12-18 13:09:51 C 03 01 02.97 -00 56 22.1 r 379
2006-12-18 13:17:51 C 03 01 00.44 -00 57 14.8 r 379
2006-12-18 13:21:24 C 03 00 59.27 -00 57 37.8 r 379
2006-12-18 13:24:54 C 03 00 58.18 -00 58 00.8 r 379
2006-12-18 13:33:36 C 03 00 55.37 -00 58 58.2 r 379
2006-12-18 20:12:58 C 02 58 59.65 -01 44 22.6 15.6 r 084
2006-12-18 20:14:27 C 02 58 59.17 -01 44 32.7 15.3 r 084
2006-12-19 05:09:10 C 02 56 15.41 -02 46 40.2 d G72
2006-12-19 05:15:20 C 02 56 13.33 -02 47 23.8 d G72
2006-12-19 05:23:06 C 02 56 10.52 -02 48 20.9 d G72
2006-12-19 05:30:50 C 02 56 07.83 -02 49 16.2 d G72
2006-12-19 05:38:32 C 02 56 05.08 -02 50 12.4 d G72
2006-12-19 05:44:45 C 02 56 02.84 -02 50 58.3 d G72
2006-12-19 11:29:02 C 02 54 14.08 -03 33 26.2 o 379
2006-12-19 11:32:32 C 02 54 12.79 -03 33 53.1 o 379
2006-12-19 11:39:33 C 02 54 10.24 -03 34 45.6 o 379
2006-12-19 11:44:33 C 02 54 08.37 -03 35 23.3 o 379
2006-12-19 11:48:03 C 02 54 07.10 -03 35 49.5 o 379
2006-12-20 03:13:47 C 02 48 44.33 -05 37 54.2 o H68
2006-12-20 03:35:03 C 02 48 35.73 -05 40 50.9 o H68
2006-12-20 03:40:45 C 02 48 33.43 -05 41 38.3 o H68
2006-12-20 03:45:59 C 02 48 31.32 -05 42 21.7 o H68
2006-12-20 04:28:37 C 02 48 19.55 -05 48 20.4 d G72
2006-12-20 04:43:29 C 02 48 13.48 -05 50 26.1 d G72
2006-12-20 04:54:38 C 02 48 08.93 -05 51 59.1 d G72
2006-12-20 05:11:22 C 02 48 02.04 -05 54 21.8 d G72
2006-12-20 05:26:13 C 02 47 56.03 -05 56 25.1 d G72
2006-12-20 05:41:03 C 02 47 49.98 -05 58 29.3 d G72
2006-12-20 13:05:02 C 02 45 00.23 -07 02 23.1 r 379
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)