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
2019-12-07 19:36:03 C 06 05 43.03 +15 21 02.8 V C40
2019-12-07 20:15:57 C 06 05 52.07 +15 19 25.7 V C40
2019-12-07 20:21:21 C 06 05 53.30 +15 19 12.5 V C40
2019-12-07 20:25:53 C 06 05 54.32 +15 19 01.5 V C40
2019-12-07 20:27:41 C 06 05 54.73 +15 18 56.9 V C40
2019-12-07 20:29:29 C 06 05 55.13 +15 18 52.4 V C40
2019-12-07 20:32:11 C 06 05 55.75 +15 18 45.8 V C40
2019-12-07 20:39:21 C 06 05 57.36 +15 18 28.3 V C40
2019-12-07 20:43:53 C 06 05 58.39 +15 18 17.2 V C40
2019-12-07 20:44:46 C 06 05 58.59 +15 18 15.0 V C40
2019-12-07 20:47:29 C 06 05 59.19 +15 18 08.2 V C40
2019-12-07 20:50:11 C 06 05 59.81 +15 18 01.6 V C40
2019-12-07 20:52:54 C 06 06 00.42 +15 17 54.9 V C40
2019-12-07 22:42:07 n 06 06 27.93 +15 13 24.6 q 619
2019-12-07 23:00:56 n 06 06 32.23 +15 12 37.8 q 619
2019-12-08 14:41:57 C 06 10 26.10 +14 31 37.8 V T08
2019-12-08 15:16:10 C 06 10 34.66 +14 30 00.2 V T08
2019-12-08 15:36:03 C 06 10 39.70 +14 29 03.2 V T08
2019-12-09 08:36:58 C 06 15 35.22 +13 39 12.5 V T05
2019-12-09 08:42:52 C 06 15 36.81 +13 38 54.6 V T05
2019-12-09 08:56:35 C 06 15 40.53 +13 38 13.1 V T05
2019-12-09 09:23:36 C 06 15 47.83 +13 36 50.8 V T05
2019-12-09 22:56:35 C 06 19 54.59 +12 52 04.8 V Z80
2019-12-09 22:59:55 C 06 19 55.55 +12 51 53.4 V Z80
2019-12-09 23:03:15 C 06 19 56.54 +12 51 42.7 V Z80
2019-12-09 23:06:35 C 06 19 57.55 +12 51 30.5 V Z80
2019-12-09 23:09:55 C 06 19 58.55 +12 51 19.4 V Z80
2019-12-09 23:13:15 C 06 19 59.58 +12 51 08.8 V Z80
2019-12-10 07:34:45 C 06 22 39.80 +12 22 22.4 V 734
2019-12-10 07:37:17 C 06 22 40.72 +12 22 12.1 V 734
2019-12-10 07:39:49 C 06 22 41.36 +12 22 04.0 V 734
2019-12-10 07:42:21 C 06 22 42.09 +12 21 56.0 V 734
2019-12-10 10:22:23 C 06 23 38.08 +12 12 48.4 V T05
2019-12-10 10:40:26 C 06 23 43.64 +12 11 42.9 V T05
2019-12-10 10:45:02 C 06 23 45.06 +12 11 26.2 V T05
2019-12-10 10:53:18 C 06 23 47.60 +12 10 56.1 V T05
2019-12-11 23:17:58 C 06 37 31.53 +09 39 00.9 V Z80
2019-12-11 23:21:19 C 06 37 32.85 +09 38 45.3 V Z80
2019-12-11 23:24:38 C 06 37 34.20 +09 38 29.2 V Z80
2019-12-11 23:27:58 C 06 37 35.54 +09 38 14.4 V Z80
2019-12-11 23:31:18 C 06 37 36.85 +09 37 58.6 V Z80
2019-12-11 23:34:39 C 06 37 38.18 +09 37 43.0 V Z80
2019-12-13 05:55:40 C 06 51 40.64 +06 58 53.5 u H21
2019-12-13 05:58:11 C 06 51 41.84 +06 58 39.2 u H21
2019-12-13 06:00:42 C 06 51 43.04 +06 58 24.5 u H21
2019-12-13 06:03:13 C 06 51 44.26 +06 58 09.8 u H21
2019-12-13 06:05:44 C 06 51 45.48 +06 57 55.2 u H21
2019-12-13 06:08:14 C 06 51 46.67 +06 57 40.6 u H21
2019-12-13 06:13:16 C 06 51 49.08 +06 57 11.2 u H21
2019-12-13 06:15:47 C 06 51 50.29 +06 56 56.6 u H21
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)