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
2008-09-24 22:00:23 C 01 56 45.62 +01 58 28.6 r A98
2008-09-24 22:02:20 C 01 56 45.93 +01 58 25.2 r A98
2008-09-24 22:04:15 C 01 56 46.24 +01 58 21.7 r A98
2008-09-24 22:06:10 C 01 56 46.54 +01 58 18.2 r A98
2008-09-24 22:08:05 C 01 56 46.84 +01 58 14.8 r A98
2008-09-24 22:10:01 C 01 56 47.14 +01 58 11.4 r A98
2008-09-24 22:11:57 C 01 56 47.45 +01 58 07.7 r A98
2008-09-24 22:13:53 C 01 56 47.74 +01 58 04.4 r A98
2008-09-24 22:15:48 C 01 56 48.04 +01 58 00.8 r A98
2008-09-24 22:17:43 C 01 56 48.34 +01 57 57.3 r A98
2008-09-24 22:19:38 C 01 56 48.64 +01 57 53.7 r A98
2008-09-24 22:21:35 C 01 56 48.94 +01 57 50.2 r A98
2008-09-24 22:23:30 C 01 56 49.22 +01 57 46.9 r A98
2008-09-24 22:25:26 C 01 56 49.53 +01 57 43.2 r A98
2008-09-24 22:27:21 C 01 56 49.83 +01 57 39.8 r A98
2008-09-24 22:29:16 C 01 56 50.13 +01 57 36.3 r A98
2008-09-24 22:31:12 C 01 56 50.44 +01 57 32.7 r A98
2008-09-24 22:33:08 C 01 56 50.73 +01 57 29.3 r A98
2008-09-24 22:35:04 C 01 56 51.03 +01 57 25.7 r A98
2008-09-24 22:36:59 C 01 56 51.35 +01 57 22.4 r A98
2008-09-24 22:38:54 C 01 56 51.64 +01 57 18.8 r A98
2008-09-24 22:40:49 C 01 56 51.93 +01 57 15.3 r A98
2008-09-24 22:42:46 C 01 56 52.23 +01 57 11.8 r A98
2008-09-24 22:44:41 C 01 56 52.54 +01 57 08.4 r A98
2008-09-24 22:46:37 C 01 56 52.84 +01 57 04.9 r A98
2008-09-24 22:48:31 C 01 56 53.14 +01 57 01.4 r A98
2008-09-24 22:50:27 C 01 56 53.43 +01 56 57.8 r A98
2008-09-24 22:52:24 C 01 56 53.73 +01 56 54.4 r A98
2008-09-24 22:54:19 C 01 56 54.04 +01 56 50.9 r A98
2008-09-25 00:09:31 C 01 57 05.66 +01 54 34.5 r B42
2008-09-25 00:11:07 C 01 57 05.93 +01 54 31.8 r B42
2008-09-25 00:12:35 C 01 57 06.14 +01 54 29.2 r B42
2008-09-25 00:15:01 C 01 57 06.52 +01 54 24.8 r B42
2008-09-25 00:17:39 C 01 57 06.92 +01 54 20.0 r B42
2008-09-25 00:19:46 C 01 57 07.27 +01 54 16.1 r B42
2008-09-25 21:58:53 C 02 00 40.26 +01 15 30.2 c J93
2008-09-25 22:01:56 C 02 00 40.72 +01 15 25.0 c J93
2008-09-25 22:05:00 C 02 00 41.19 +01 15 19.4 c J93
2008-09-26 21:34:17 C 02 04 20.80 +00 34 08.1 c J93
2008-09-26 21:36:50 C 02 04 21.19 +00 34 04.1 c J93
2008-09-26 21:39:24 C 02 04 21.55 +00 33 59.7 c J93
2008-09-27 23:52:35 C 02 08 14.19 -00 10 42.5 12.0 o 108
2008-09-27 23:54:40 C 02 08 14.41 -00 10 44.1 12.3 o 108
2008-09-28 00:01:09 C 02 08 15.23 -00 10 56.6 12.4 o 108
2008-09-28 00:03:40 C 02 08 15.54 -00 10 59.9 12.1 o 108
2008-09-29 08:21:14 C 02 12 48.20 -01 04 05.6 r 703
2008-09-29 08:36:50 C 02 12 50.14 -01 04 30.8 r 703
2008-09-29 08:52:40 C 02 12 52.05 -01 04 56.2 r 703
2008-09-29 09:08:16 C 02 12 53.96 -01 05 21.6 r 703
2008-09-30 22:57:33 C 02 17 51.76 -02 05 07.7 12.1 r 084
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)