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
2008-09-22 07:04:28 C 01 45 47.55 +03 55 41.9 o 691
2008-09-22 21:53:46 C 01 48 27.78 +03 27 20.7 11.9 r 084
2008-09-22 21:55:59 C 01 48 28.15 +03 27 16.6 11.9 r 084
2008-09-23 07:02:50 C 01 50 05.97 +03 10 31.4 14.7 c 704
2008-09-23 07:20:01 C 01 50 08.75 +03 09 59.4 14.6 c 704
2008-09-23 07:37:12 C 01 50 11.56 +03 09 27.6 14.8 c 704
2008-09-23 07:54:25 C 01 50 14.35 +03 08 55.8 14.6 c 704
2008-09-23 08:11:36 C 01 50 17.13 +03 08 23.8 14.7 c 704
2008-09-23 21:33:39 C 01 52 37.80 +02 43 15.5 r A98
2008-09-23 21:35:34 C 01 52 38.11 +02 43 12.0 r A98
2008-09-23 21:37:29 C 01 52 38.44 +02 43 08.3 r A98
2008-09-23 21:39:24 C 01 52 38.76 +02 43 04.8 r A98
2008-09-23 21:41:21 C 01 52 39.07 +02 43 01.3 r A98
2008-09-23 21:43:17 C 01 52 39.39 +02 42 57.6 r A98
2008-09-23 21:45:12 C 01 52 39.70 +02 42 54.2 r A98
2008-09-23 21:47:07 C 01 52 40.01 +02 42 50.7 r A98
2008-09-23 21:49:02 C 01 52 40.33 +02 42 47.0 r A98
2008-09-23 21:50:59 C 01 52 40.64 +02 42 43.4 r A98
2008-09-23 21:52:54 C 01 52 40.97 +02 42 39.9 r A98
2008-09-23 21:54:50 C 01 52 41.27 +02 42 36.3 r A98
2008-09-23 21:56:45 C 01 52 41.59 +02 42 32.7 r A98
2008-09-23 21:58:40 C 01 52 41.90 +02 42 29.2 r A98
2008-09-23 22:00:36 C 01 52 42.21 +02 42 25.6 r A98
2008-09-23 22:02:32 C 01 52 42.57 +02 42 21.4 r A98
2008-09-23 22:04:28 C 01 52 42.84 +02 42 18.6 r A98
2008-09-23 22:06:23 C 01 52 43.15 +02 42 15.0 r A98
2008-09-23 22:08:18 C 01 52 43.48 +02 42 11.4 r A98
2008-09-23 22:10:13 C 01 52 43.79 +02 42 08.0 r A98
2008-09-23 22:12:10 C 01 52 44.10 +02 42 04.4 r A98
2008-09-23 22:14:05 C 01 52 44.41 +02 42 00.9 r A98
2008-09-23 22:16:01 C 01 52 44.73 +02 41 57.4 r A98
2008-09-23 22:17:47 C 01 52 46.03 +02 42 00.7 t B75
2008-09-23 22:17:56 C 01 52 45.04 +02 41 53.7 r A98
2008-09-23 22:19:38 C 01 52 46.35 +02 41 57.4 t B75
2008-09-23 22:19:51 C 01 52 45.35 +02 41 50.2 r A98
2008-09-23 22:21:48 C 01 52 45.66 +02 41 46.6 r A98
2008-09-23 22:22:10 C 01 52 46.73 +02 41 52.4 t B75
2008-09-23 22:23:43 C 01 52 45.98 +02 41 43.0 r A98
2008-09-23 22:25:39 C 01 52 46.29 +02 41 39.4 r A98
2008-09-23 22:27:17 C 01 52 47.54 +02 41 43.2 t B75
2008-09-23 22:27:33 C 01 52 46.60 +02 41 35.9 r A98
2008-09-23 22:29:29 C 01 52 46.92 +02 41 32.3 r A98
2008-09-23 22:29:51 C 01 52 48.04 +02 41 38.3 t B75
2008-09-23 22:31:24 C 01 52 47.23 +02 41 28.7 r A98
2008-09-23 22:32:23 C 01 52 48.41 +02 41 33.8 t B75
2008-09-23 22:33:23 C 01 52 47.55 +02 41 25.2 r A98
2008-09-23 22:34:56 C 01 52 48.83 +02 41 29.2 t B75
2008-09-23 22:35:18 C 01 52 47.86 +02 41 21.6 r A98
2008-09-23 22:37:13 C 01 52 48.17 +02 41 18.1 r A98
2008-09-23 22:37:29 C 01 52 49.24 +02 41 24.4 t B75
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)