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
2019-12-06 21:02:13 C 06 00 31.22 +16 13 31.0 V C40
2019-12-06 21:10:22 C 06 00 32.85 +16 13 13.5 V C40
2019-12-06 21:12:10 C 06 00 33.22 +16 13 09.7 V C40
2019-12-06 21:13:05 C 06 00 33.39 +16 13 07.6 V C40
2019-12-06 21:21:43 C 06 00 35.12 +16 12 49.0 V C40
2019-12-06 21:22:38 C 06 00 35.31 +16 12 47.1 V C40
2019-12-06 21:23:32 C 06 00 35.48 +16 12 45.0 V C40
2019-12-06 21:24:27 C 06 00 35.66 +16 12 43.2 V C40
2019-12-06 21:26:15 C 06 00 36.03 +16 12 39.2 V C40
2019-12-06 21:27:08 C 06 00 36.20 +16 12 37.2 V C40
2019-12-06 21:29:51 C 06 00 36.75 +16 12 31.4 V C40
2019-12-06 21:30:46 C 06 00 36.93 +16 12 29.4 V C40
2019-12-06 21:31:40 C 06 00 37.11 +16 12 27.4 V C40
2019-12-06 21:33:28 C 06 00 37.47 +16 12 23.5 V C40
2019-12-06 21:34:23 C 06 00 37.65 +16 12 21.6 V C40
2019-12-06 21:35:16 C 06 00 37.83 +16 12 19.7 V C40
2019-12-06 21:36:12 C 06 00 38.01 +16 12 17.7 V C40
2019-12-06 21:37:05 C 06 00 38.19 +16 12 15.7 V C40
2019-12-06 21:38:00 C 06 00 38.36 +16 12 13.8 V C40
2019-12-06 21:40:35 C 06 00 38.89 +16 12 08.0 V C40
2019-12-06 21:41:30 C 06 00 39.07 +16 12 06.1 V C40
2019-12-06 21:52:20 C 06 00 41.23 +16 11 42.5 V C40
2019-12-06 21:53:15 C 06 00 41.42 +16 11 40.5 V C40
2019-12-06 21:54:10 C 06 00 41.61 +16 11 38.5 V C40
2019-12-06 21:55:03 C 06 00 41.78 +16 11 36.7 V C40
2019-12-06 21:56:51 C 06 00 42.14 +16 11 32.7 V C40
2019-12-07 08:57:24 C 06 03 07.23 +15 46 53.2 q H45
2019-12-07 08:58:30 C 06 03 07.45 +15 46 50.5 q H45
2019-12-07 08:59:33 C 06 03 07.68 +15 46 48.0 q H45
2019-12-07 09:01:16 C 06 03 08.04 +15 46 44.1 q H45
2019-12-07 09:02:24 C 06 03 08.29 +15 46 41.2 q H45
2019-12-07 09:03:37 C 06 03 08.53 +15 46 38.4 q H45
2019-12-07 17:39:07 C 06 05 16.02 +15 25 43.4 V C40
2019-12-07 18:32:32 C 06 05 28.45 +15 23 35.9 V C40
2019-12-07 18:33:27 C 06 05 28.66 +15 23 33.8 V C40
2019-12-07 18:36:10 C 06 05 29.29 +15 23 27.3 V C40
2019-12-07 18:37:59 C 06 05 29.71 +15 23 23.0 V C40
2019-12-07 18:45:32 C 06 05 31.46 +15 23 04.8 V C40
2019-12-07 18:50:04 C 06 05 32.50 +15 22 53.8 V C40
2019-12-07 18:51:52 C 06 05 32.90 +15 22 49.6 V C40
2019-12-07 18:57:17 C 06 05 34.16 +15 22 36.6 V C40
2019-12-07 19:00:00 C 06 05 34.77 +15 22 29.9 V C40
2019-12-07 19:00:53 C 06 05 34.98 +15 22 27.9 V C40
2019-12-07 19:01:49 C 06 05 35.20 +15 22 25.7 V C40
2019-12-07 19:06:56 C 06 05 36.37 +15 22 13.3 V C40
2019-12-07 19:09:39 C 06 05 36.99 +15 22 06.6 V C40
2019-12-07 19:10:32 C 06 05 37.20 +15 22 04.6 V C40
2019-12-07 19:11:27 C 06 05 37.40 +15 22 02.5 V C40
2019-12-07 19:17:47 C 06 05 38.85 +15 21 47.0 V C40
2019-12-07 19:20:28 C 06 05 39.47 +15 21 40.5 V C40
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)