8567 (1996 HW1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4490939396 ± 2.75e-09
Semi-major axis (a)2.0456735689 AU ± 2.83e-09
Inclination (i)8.44895522° ± 1.22e-06
Long. of Asc. Node (Ω)177.09285092° ± 3.68e-06
Arg. of Perihelion (ω)177.28234728° ± 4.78e-06
Mean Anomaly (M)314.32050003° ± 4.72e-06
Mean Motion (n)0.3368664620°/day ± 7.00e-10
Perihelion dist (q)1.12697397 AU ± 5.84e-09
Aphelion dist (Q)2.96437317 AU ± 6.96e-09
Orbital Period2.92586646 yr ± 6.08e-09
Physical Parameters
H (abs. magnitude)15.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.475″
Uncertainty0
Orbit TypeAmor
MOID0.120293 AU
Observations Used5269
Radar Obs Used12
Gaia Obs Used119
Oppositions41
Arc Total1955-2025
First Observation Used1955-05-23
Last Observation Used2025-06-23
Observations (6356)
Date Type RA Dec Mag Band Observatory
2008-08-19 21:04:13 C 22 46 47.80 +20 48 04.9 r A98
2008-08-19 21:08:01 C 22 46 48.46 +20 48 04.8 r A98
2008-08-19 21:09:17 C 22 46 48.68 +20 48 04.7 r A98
2008-08-19 21:15:35 C 22 46 49.79 +20 48 04.6 r A98
2008-08-19 21:16:50 C 22 46 50.01 +20 48 04.5 r A98
2008-08-19 21:18:06 C 22 46 50.24 +20 48 04.3 r A98
2008-08-19 21:21:55 C 22 46 50.90 +20 48 04.2 r A98
2008-08-19 21:24:26 C 22 46 51.34 +20 48 04.1 r A98
2008-08-19 21:25:42 C 22 46 51.62 +20 48 03.9 r A98
2008-08-19 21:28:14 C 22 46 52.01 +20 48 03.8 r A98
2008-08-19 21:30:44 C 22 46 52.45 +20 48 03.6 r A98
2008-08-19 21:35:47 C 22 46 53.35 +20 48 03.5 r A98
2008-08-19 21:37:03 C 22 46 53.55 +20 48 03.4 r A98
2008-08-19 21:38:19 C 22 46 53.78 +20 48 03.3 r A98
2008-08-19 21:40:51 C 22 46 54.23 +20 48 03.2 r A98
2008-08-19 21:44:39 C 22 46 54.89 +20 48 03.0 r A98
2008-08-19 21:45:53 C 22 46 55.13 +20 48 02.9 r A98
2008-08-19 21:47:09 C 22 46 55.34 +20 48 02.8 r A98
2008-08-19 21:52:12 C 22 46 56.22 +20 48 02.6 r A98
2008-08-19 21:53:28 C 22 46 56.46 +20 48 02.3 r A98
2008-08-19 21:59:48 C 22 46 57.55 +20 48 02.1 r A98
2008-08-19 22:01:04 C 22 46 57.77 +20 48 01.9 r A98
2008-08-19 22:02:20 C 22 46 58.00 +20 48 01.7 r A98
2008-08-19 22:06:06 C 22 46 58.68 +20 48 01.6 r A98
2008-08-19 22:08:37 C 22 46 59.10 +20 48 01.5 r A98
2008-08-19 22:14:57 C 22 47 00.22 +20 48 01.1 r A98
2008-08-19 22:16:13 C 22 47 00.43 +20 48 01.0 r A98
2008-08-19 22:22:31 C 22 47 01.55 +20 48 00.6 r A98
2008-08-19 22:23:47 C 22 47 01.77 +20 48 00.4 r A98
2008-08-19 22:26:18 C 22 47 02.23 +20 48 00.1 r A98
2008-08-19 22:30:06 C 22 47 02.93 +20 48 00.0 r A98
2008-08-19 22:32:38 C 22 47 03.31 +20 47 59.9 r A98
2008-08-19 22:37:41 C 22 47 04.12 +20 47 59.8 r A98
2008-08-19 22:40:11 C 22 47 04.64 +20 47 59.4 r A98
2008-08-19 22:41:27 C 22 47 04.90 +20 47 59.0 r A98
2008-08-19 22:45:14 C 22 47 05.60 +20 47 58.7 r A98
2008-08-19 22:46:31 C 22 47 05.79 +20 47 58.6 r A98
2008-08-19 22:50:18 C 22 47 06.43 +20 47 58.5 r A98
2008-08-19 22:51:34 C 22 47 06.66 +20 47 58.1 r A98
2008-08-19 22:54:06 C 22 47 07.16 +20 47 58.0 r A98
2008-08-19 22:59:09 C 22 47 07.99 +20 47 57.9 r A98
2008-08-19 23:00:41 C 22 47 08.25 +20 47 57.8 r A98
2008-08-19 23:01:57 C 22 47 08.53 +20 47 57.7 r A98
2008-08-19 23:05:45 C 22 47 09.10 +20 47 57.4 r A98
2008-08-19 23:06:59 C 22 47 09.37 +20 47 57.3 r A98
2008-08-19 23:08:15 C 22 47 09.56 +20 47 57.2 r A98
2008-08-19 23:10:47 C 22 47 10.01 +20 47 56.9 r A98
2008-08-19 23:13:18 C 22 47 10.52 +20 47 56.6 r A98
2008-08-19 23:18:22 C 22 47 11.34 +20 47 56.3 r A98
2008-08-19 23:22:10 C 22 47 12.02 +20 47 56.1 r A98
Radar Observations (18)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-09-15 06:16:00 135226140.2 1 us 2380 -1 -1
2008-09-15 06:16:00 -10482.845 0.48 Hz 2380 -1 -1
2008-09-15.261111 13522614020 1000 us 2380 251 251
2008-09-16 06:25:00 135665183.75 2 us 2380 -1 -1
2008-09-16 06:25:00 -14640.891 0.48 Hz 2380 -1 -1
2008-09-16.267361 13566518375 2000 us 2380 251 251
2008-09-17 06:22:00 136241112.51 1 us 2380 -1 -1
2008-09-17 06:22:00 -18352.48 0.48 Hz 2380 -1 -1
2008-09-17.265278 13624111251 1000 us 2380 251 251
2008-09-18 06:04:00 136946748.12 1 us 2380 -1 -1
2008-09-18 06:04:00 -21511.747 0.48 Hz 2380 -1 -1
2008-09-18.252778 13694674812 1000 us 2380 251 251
2008-09-19 06:14:00 137803137.95 1 us 2380 -1 -1
2008-09-19 06:14:00 -25527.245 0.48 Hz 2380 -1 -1
2008-09-19.259722 13780313795 1000 us 2380 251 251
2008-09-21 05:39:00 139875021 1 us 2380 -1 -1
2008-09-21 05:39:00 -31553.962 0.48 Hz 2380 -1 -1
2008-09-21.235417 13987502100 1000 us 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)