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
2008-09-08 23:54:46 C 00 35 49.47 +13 55 09.8 i 071
2008-09-08 23:55:52 C 00 35 49.73 +13 55 07.9 i 071
2008-09-08 23:57:19 C 00 35 50.06 +13 55 05.5 i 071
2008-09-08 23:58:04 C 00 35 50.22 +13 55 04.2 i 071
2008-09-08 23:58:48 C 00 35 50.40 +13 55 03.0 i 071
2008-09-08 23:59:32 C 00 35 50.57 +13 55 01.8 i 071
2008-09-09 00:00:18 C 00 35 50.74 +13 55 00.5 i 071
2008-09-09 00:01:02 C 00 35 50.91 +13 54 59.3 i 071
2008-09-09 00:01:46 C 00 35 51.08 +13 54 58.0 i 071
2008-09-09 00:02:32 C 00 35 51.25 +13 54 56.8 i 071
2008-09-09 00:03:16 C 00 35 51.42 +13 54 55.6 i 071
2008-09-09 00:04:00 C 00 35 51.59 +13 54 54.4 i 071
2008-09-10 21:10:59 C 00 46 48.10 +12 37 11.5 12.0 r 084
2008-09-10 22:22:00 C 00 47 04.50 +12 35 06.8 12.6 r 084
2008-09-10 23:45:45 C 00 47 24.97 +12 32 48.8 r A13
2008-09-10 23:48:20 C 00 47 25.58 +12 32 44.1 r A13
2008-09-10 23:50:55 C 00 47 26.18 +12 32 39.5 r A13
2008-09-11 00:19:57 C 00 47 32.73 +12 31 48.4 r A13
2008-09-11 22:42:37 C 00 52 53.92 +11 51 30.7 c J93
2008-09-11 22:45:40 C 00 52 54.65 +11 51 25.3 c J93
2008-09-11 22:48:44 C 00 52 55.36 +11 51 19.9 c J93
2008-09-12 21:49:37 C 00 58 20.98 +11 09 09.6 12.0 c 619
2008-09-12 21:51:13 C 00 58 21.35 +11 09 06.7 12.0 c 619
2008-09-12 22:10:51 C 00 58 25.76 +11 08 30.5 12.1 c 619
2008-09-13 21:44:33 C 01 03 53.52 +10 24 21.5 12.4 c 619
2008-09-13 21:47:45 C 01 03 54.22 +10 24 15.4 12.2 c 619
2008-09-13 21:51:46 C 01 03 55.09 +10 24 08.2 12.3 c 619
2008-09-13 23:21:42 C 01 04 14.28 +10 21 12.0 o 510
2008-09-13 23:23:32 C 01 04 14.67 +10 21 08.4 o 510
2008-09-13 23:23:59 C 01 04 14.77 +10 21 07.5 o 510
2008-09-16 22:13:17 C 01 20 02.37 +08 04 55.7 t B75
2008-09-16 22:15:50 C 01 20 02.90 +08 04 50.9 t B75
2008-09-16 22:18:23 C 01 20 03.43 +08 04 45.8 t B75
2008-09-16 22:20:57 C 01 20 03.94 +08 04 40.8 t B75
2008-09-16 22:23:30 C 01 20 04.47 +08 04 36.0 t B75
2008-09-18 00:13:48 C 01 25 33.22 +07 14 09.2 o J41
2008-09-19 21:49:48 C 01 34 52.56 +05 45 21.2 c J93
2008-09-19 21:51:52 C 01 34 52.93 +05 45 17.1 c J93
2008-09-19 21:53:54 C 01 34 53.38 +05 45 13.5 c J93
2008-09-20 23:27:00 C 01 39 51.64 +04 55 50.8 c J93
2008-09-20 23:30:03 C 01 39 52.19 +04 55 45.3 c J93
2008-09-20 23:33:06 C 01 39 52.73 +04 55 39.4 c J93
2008-09-21 10:03:38 C 01 41 50.35 +04 35 45.3 r 703
2008-09-21 10:12:57 C 01 41 51.97 +04 35 27.5 r 703
2008-09-21 10:22:17 C 01 41 53.59 +04 35 09.6 r 703
2008-09-21 10:31:37 C 01 41 55.21 +04 34 51.5 r 703
2008-09-21 23:55:32 C 01 44 26.65 +04 08 54.6 11.5 r 084
2008-09-21 23:57:44 C 01 44 27.04 +04 08 50.4 11.5 r 084
2008-09-22 06:13:50 C 01 45 38.89 +03 57 17.5 o 691
2008-09-22 06:39:10 C 01 45 43.24 +03 56 29.6 o 691
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)