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
2008-08-31 02:18:14 C 23 43 51.52 +18 37 58.2 r B50
2008-08-31 02:20:15 C 23 43 51.98 +18 37 56.2 r B50
2008-08-31 02:28:38 C 23 43 53.33 +18 37 57.0 o B40
2008-08-31 02:31:48 C 23 43 54.06 +18 37 54.2 o B40
2008-08-31 19:07:59 C 23 47 54.04 +18 21 18.2 r A98
2008-08-31 19:09:46 C 23 47 54.45 +18 21 16.5 r A98
2008-08-31 19:11:30 C 23 47 54.85 +18 21 14.9 r A98
2008-08-31 19:13:16 C 23 47 55.26 +18 21 13.1 r A98
2008-08-31 19:15:02 C 23 47 55.63 +18 21 11.5 r A98
2008-08-31 19:16:47 C 23 47 56.03 +18 21 09.8 r A98
2008-08-31 19:18:33 C 23 47 56.48 +18 21 07.7 r A98
2008-08-31 19:20:19 C 23 47 56.89 +18 21 06.2 r A98
2008-08-31 19:22:04 C 23 47 57.30 +18 21 04.4 r A98
2008-08-31 19:23:50 C 23 47 57.71 +18 21 02.8 r A98
2008-08-31 19:25:35 C 23 47 58.11 +18 21 01.2 r A98
2008-08-31 19:27:21 C 23 47 58.53 +18 20 59.4 r A98
2008-08-31 19:29:07 C 23 47 58.94 +18 20 57.7 r A98
2008-08-31 19:30:51 C 23 47 59.34 +18 20 56.0 r A98
2008-08-31 19:32:38 C 23 47 59.74 +18 20 54.3 r A98
2008-08-31 19:34:22 C 23 48 00.17 +18 20 52.5 r A98
2008-08-31 19:36:08 C 23 48 00.56 +18 20 50.9 r A98
2008-08-31 19:37:55 C 23 48 00.97 +18 20 49.1 r A98
2008-08-31 19:39:39 C 23 48 01.38 +18 20 47.4 r A98
2008-08-31 19:41:26 C 23 48 01.77 +18 20 45.8 r A98
2008-08-31 19:43:11 C 23 48 02.18 +18 20 44.0 r A98
2008-08-31 19:55:36 C 23 48 05.05 +18 20 31.8 r A98
2008-08-31 19:57:21 C 23 48 05.45 +18 20 30.1 r A98
2008-08-31 19:59:07 C 23 48 05.87 +18 20 28.5 r A98
2008-08-31 20:00:54 C 23 48 06.33 +18 20 26.3 r A98
2008-08-31 20:02:40 C 23 48 06.68 +18 20 24.9 r A98
2008-08-31 20:04:24 C 23 48 07.10 +18 20 22.7 r A98
2008-08-31 20:06:11 C 23 48 07.46 +18 20 21.7 r A98
2008-08-31 20:07:55 C 23 48 07.89 +18 20 19.8 r A98
2008-08-31 20:09:42 C 23 48 08.30 +18 20 18.0 r A98
2008-08-31 20:11:28 C 23 48 08.70 +18 20 16.4 r A98
2008-08-31 20:13:13 C 23 48 09.11 +18 20 14.6 r A98
2008-08-31 20:15:00 C 23 48 09.51 +18 20 12.9 r A98
2008-08-31 20:16:46 C 23 48 09.92 +18 20 11.2 r A98
2008-08-31 20:18:31 C 23 48 10.34 +18 20 09.4 r A98
2008-08-31 20:20:17 C 23 48 10.75 +18 20 07.5 r A98
2008-08-31 20:22:03 C 23 48 11.14 +18 20 05.8 r A98
2008-08-31 20:23:47 C 23 48 11.54 +18 20 04.2 r A98
2008-08-31 20:25:34 C 23 48 11.89 +18 20 01.9 r A98
2008-08-31 20:27:19 C 23 48 12.35 +18 20 00.6 r A98
2008-08-31 20:29:04 C 23 48 12.74 +18 19 59.0 r A98
2008-08-31 20:30:51 C 23 48 13.16 +18 19 57.3 r A98
2008-08-31 20:32:35 C 23 48 13.52 +18 19 56.0 r A98
2008-08-31 20:34:22 C 23 48 13.96 +18 19 53.9 r A98
2008-08-31 20:36:08 C 23 48 14.35 +18 19 52.1 r A98
2008-08-31 20:37:52 C 23 48 14.73 +18 19 50.4 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)