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
2006-11-26 18:05:01 C 04 02 51.23 +19 51 39.3 o 151
2006-11-26 18:07:14 C 04 02 51.11 +19 51 37.6 o 151
2006-11-26 20:30:14 C 04 02 43.10 +19 49 49.5 c 639
2006-11-26 20:35:08 C 04 02 42.83 +19 49 45.6 c 639
2006-11-26 20:40:56 C 04 02 42.50 +19 49 41.0 c 639
2006-11-26 20:46:45 C 04 02 42.14 +19 49 36.6 c 639
2006-11-26 20:56:47 C 04 02 41.60 +19 49 29.4 c 639
2006-11-27 05:22:00 C 04 02 16.62 +19 42 59.4 r 703
2006-11-27 05:36:31 C 04 02 15.68 +19 42 47.8 r 703
2006-11-27 05:51:07 C 04 02 14.78 +19 42 36.5 r 703
2006-11-27 06:05:38 C 04 02 13.88 +19 42 24.8 r 703
2006-11-27 06:48:26 C 04 02 11.00 +19 41 49.4 17.2 c 704
2006-11-27 07:06:36 C 04 02 09.87 +19 41 34.8 17.1 c 704
2006-11-27 07:24:52 C 04 02 08.70 +19 41 19.5 17.3 c 704
2006-11-27 20:15:56 C 04 01 30.67 +19 30 25.5 r 113
2006-11-27 20:18:09 C 04 01 30.53 +19 30 23.7 r 113
2006-11-27 20:20:28 C 04 01 30.40 +19 30 21.9 r 113
2006-11-27 20:22:38 C 04 01 30.26 +19 30 20.0 r 113
2006-11-27 20:24:50 C 04 01 30.15 +19 30 18.1 r 113
2006-11-27 20:27:00 C 04 01 30.00 +19 30 16.4 r 113
2006-11-27 20:29:11 C 04 01 29.88 +19 30 14.7 r 113
2006-11-27 20:31:22 C 04 01 29.73 +19 30 12.8 r 113
2006-11-27 20:33:32 C 04 01 29.61 +19 30 11.1 r 113
2006-11-27 20:35:44 C 04 01 29.46 +19 30 09.1 r 113
2006-11-29 06:11:19 C 03 59 38.05 +19 00 29.7 16.9 c 704
2006-11-29 06:29:47 C 03 59 37.33 +19 00 12.2 d G72
2006-11-29 06:29:59 C 03 59 36.71 +19 00 12.1 17.2 c 704
2006-11-29 06:33:13 C 03 59 37.03 +19 00 08.6 d G72
2006-11-29 06:36:38 C 03 59 36.85 +19 00 04.8 d G72
2006-11-29 06:38:23 C 03 59 36.73 +19 00 03.2 d G72
2006-11-29 06:41:49 C 03 59 36.49 +19 00 00.2 d G72
2006-11-29 06:45:16 C 03 59 36.23 +18 59 57.4 d G72
2006-11-29 06:48:43 C 03 59 35.40 +18 59 54.7 17.4 c 704
2006-11-29 07:07:39 C 03 59 34.08 +18 59 36.5 17.2 c 704
2006-11-29 07:26:21 C 03 59 32.78 +18 59 18.9 17.2 c 704
2006-11-29 19:18:37 C 03 58 53.90 +18 47 43.9 o A78
2006-11-29 19:28:16 C 03 58 53.24 +18 47 34.8 o A78
2006-11-29 19:37:50 C 03 58 52.60 +18 47 25.5 o A78
2006-11-29 21:39:40 C 03 58 44.17 +18 45 28.1 c A53
2006-11-29 21:49:41 C 03 58 43.46 +18 45 18.3 c A53
2006-11-29 22:00:14 C 03 58 42.75 +18 45 08.1 c A53
2006-11-29 22:10:45 C 03 58 42.02 +18 44 58.0 c A53
2006-11-29 22:20:46 C 03 58 41.27 +18 44 48.2 c A53
2006-11-30 07:21:36 C 03 58 08.36 +18 35 57.3 d G72
2006-11-30 07:25:31 C 03 58 08.08 +18 35 54.4 d G72
2006-11-30 07:27:28 C 03 58 07.94 +18 35 51.8 d G72
2006-11-30 07:29:26 C 03 58 07.74 +18 35 49.7 d G72
2006-11-30 07:33:21 C 03 58 07.45 +18 35 45.7 d G72
2006-11-30 07:37:17 C 03 58 07.14 +18 35 41.9 d G72
2006-11-30 19:05:49 C 03 57 26.95 +18 23 35.9 c A24
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)