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
2019-11-23 02:10:33 C 05 19 11.23 +22 18 09.3 q B18
2019-11-23 02:31:36 C 05 19 12.73 +22 17 57.3 q B18
2019-11-23 02:32:43 C 05 19 12.83 +22 17 56.4 q B18
2019-11-23 02:33:55 C 05 19 12.90 +22 17 56.0 q B18
2019-11-23 02:35:02 C 05 19 13.00 +22 17 55.1 q B18
2019-11-23 02:36:10 C 05 19 13.07 +22 17 54.8 q B18
2019-11-23 02:37:19 C 05 19 13.16 +22 17 54.1 q B18
2019-11-24 22:01:07 C 05 22 43.14 +21 53 15.5 V G34
2019-11-24 22:02:46 C 05 22 43.29 +21 53 14.9 V G34
2019-11-24 22:07:19 C 05 22 43.61 +21 53 12.1 V G34
2019-11-24 22:10:25 C 05 22 43.85 +21 53 10.0 V G34
2019-11-24 22:14:20 C 05 22 44.15 +21 53 07.7 V G34
2019-11-26 01:29:13 C 05 25 02.52 +21 35 36.6 V 160
2019-11-26 01:32:09 C 05 25 02.75 +21 35 34.6 V 160
2019-11-26 01:35:08 C 05 25 02.96 +21 35 32.1 V 160
2019-11-26 10:56:06 C 05 25 54.44 +21 29 24.0 V T08
2019-11-26 11:03:58 C 05 25 55.04 +21 29 18.6 V T08
2019-11-26 11:27:12 C 05 25 56.81 +21 29 02.5 V T08
2019-11-28 10:37:06 C 05 30 30.35 +20 52 27.6 V T05
2019-11-28 10:44:51 C 05 30 31.03 +20 52 21.0 V T05
2019-11-28 10:50:26 C 05 30 31.52 +20 52 16.4 V T05
2019-11-28 11:08:50 C 05 30 33.11 +20 52 00.9 V T05
2019-11-30 13:36:58 C 05 36 06.51 +20 04 16.9 V T08
2019-11-30 13:41:43 C 05 36 07.01 +20 04 11.8 V T08
2019-11-30 13:51:14 C 05 36 08.02 +20 04 01.2 V T08
2019-11-30 14:05:44 C 05 36 09.55 +20 03 45.4 V T08
2019-11-30 23:26:28 C 05 37 21.05 +19 53 21.9 V 595
2019-11-30 23:35:47 C 05 37 22.07 +19 53 11.8 V 595
2019-11-30 23:36:57 C 05 37 22.20 +19 53 10.5 V 595
2019-11-30 23:45:07 C 05 37 23.10 +19 53 01.5 V 595
2019-12-02 20:17:40 C 05 43 23.69 +18 58 50.5 V Z80
2019-12-02 20:21:00 C 05 43 24.12 +18 58 46.9 V Z80
2019-12-02 20:24:19 C 05 43 24.58 +18 58 41.3 V Z80
2019-12-02 20:39:38 C 05 43 25.52 +18 58 35.4 V C40
2019-12-02 20:41:49 C 05 43 25.81 +18 58 32.5 V C40
2019-12-02 20:42:35 C 05 43 25.91 +18 58 31.6 V C40
2019-12-02 20:56:35 C 05 43 27.77 +18 58 13.1 V C40
2019-12-02 21:33:08 C 05 43 32.66 +18 57 24.8 V C40
2019-12-04 07:41:25 C 05 48 49.92 +18 07 47.6 q H45
2019-12-04 07:43:11 C 05 48 50.17 +18 07 44.8 q H45
2019-12-04 07:44:40 C 05 48 50.40 +18 07 42.4 q H45
2019-12-04 07:46:07 C 05 48 50.61 +18 07 40.0 q H45
2019-12-04 07:47:20 C 05 48 50.80 +18 07 38.1 q H45
2019-12-04 07:48:28 C 05 48 50.96 +18 07 36.3 q H45
2019-12-04 08:53:25 C 05 49 05.42 +18 06 08.4 V T08
2019-12-04 09:00:53 C 05 49 06.54 +18 05 56.9 V T08
2019-12-04 09:06:51 C 05 49 07.43 +18 05 47.8 V T08
2019-12-04 20:39:52 C 05 51 06.46 +17 46 07.5 V Z80
2019-12-04 20:44:52 C 05 51 07.22 +17 45 59.7 V Z80
2019-12-04 20:49:52 C 05 51 08.10 +17 45 50.9 V Z80
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)