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
2021-01-30 20:14:06 s 1 +92059.817 0 +321342.54 7480.0 C57
2021-01-30 21:14:06 S 08 08 57.746 +08 33 37.33 V C57
2021-01-30 21:14:06 s 1 +90187.097 0 +323642.95 1620.0 C57
2021-01-30 21:54:06 S 08 08 56.057 +08 33 46.40 V C57
2021-01-30 21:54:06 s 1 +88931.773 0 +325152.01 1090.0 C57
2021-01-30 22:04:06 S 08 08 55.807 +08 33 52.27 V C57
2021-01-30 22:04:06 s 1 +88617.105 0 +325526.22 1830.0 C57
2021-01-30 22:44:06 S 08 08 53.438 +08 34 01.02 V C57
2021-01-30 22:44:06 s 1 +87355.145 0 +327010.88 8390.0 C57
2021-01-30 22:54:06 S 08 08 52.927 +08 34 03.79 V C57
2021-01-30 22:54:06 s 1 +87038.842 0 +327379.01 5950.0 C57
2021-01-30 23:34:06 S 08 08 50.945 +08 34 21.61 V C57
2021-01-30 23:34:06 s 1 +85770.443 0 +328839.45 9950.0 C57
2021-01-30 23:44:06 S 08 08 50.558 +08 34 22.33 V C57
2021-01-30 23:44:06 s 1 +85452.555 0 +329201.54 4410.0 C57
2021-01-30 23:54:06 S 08 08 49.949 +08 34 29.64 V C57
2021-01-30 23:54:06 s 1 +85134.356 0 +329562.43 8260.0 C57
2021-01-31 00:24:06 S 08 08 48.485 +08 34 40.51 V C57
2021-01-31 00:24:06 s 1 +84177.909 0 +330637.90 6190.0 C57
2021-01-31 00:54:06 S 08 08 46.932 +08 34 44.15 V C57
2021-01-31 00:54:06 s 1 +83218.727 0 +331702.59 8760.0 C57
2021-01-31 01:24:06 S 08 08 45.677 +08 35 00.71 V C57
2021-01-31 01:24:06 s 1 +82256.861 0 +332756.55 6070.0 C57
2021-01-31 01:34:06 S 08 08 45.007 +08 35 05.71 V C57
2021-01-31 01:34:06 s 1 +81935.651 0 +333105.49 4010.0 C57
2021-01-31 02:14:06 S 08 08 42.907 +08 35 11.00 V C57
2021-01-31 02:14:06 s 1 +80647.918 0 +334489.40 100.0 C57
2021-01-31 02:54:06 S 08 08 40.783 +08 35 25.33 V C57
2021-01-31 02:54:06 s 1 +79355.643 0 +335854.42 7230.0 C57
2021-01-31 03:24:06 S 08 08 39.322 +08 35 40.78 V C57
2021-01-31 03:24:06 s 1 +78383.524 0 +336865.83 4330.0 C57
2021-01-31 05:44:06 S 08 08 32.239 +08 36 28.01 V C57
2021-01-31 05:44:06 s 1 +73815.384 0 +341446.99 4760.0 C57
2021-01-31 05:54:06 S 08 08 31.810 +08 36 32.51 V C57
2021-01-31 05:54:06 s 1 +73487.173 0 +341765.53 8830.0 C57
2021-01-31 06:04:06 S 08 08 31.130 +08 36 33.52 V C57
2021-01-31 06:04:06 s 1 +73158.716 0 +342082.92 2410.0 C57
2021-01-31 06:14:06 S 08 08 30.830 +08 36 40.61 V C57
2021-01-31 06:14:06 s 1 +72830.013 0 +342399.16 5500.0 C57
2021-01-31 06:34:06 S 08 08 29.496 +08 36 42.12 V C57
2021-01-31 06:34:06 s 1 +72171.879 0 +343028.19 220.0 C57
2021-01-31 06:44:06 S 08 08 29.155 +08 36 48.53 V C57
2021-01-31 06:44:06 s 1 +71842.451 0 +343340.99 1860.0 C57
2021-01-31 07:04:06 S 08 08 28.114 +08 36 55.30 V C57
2021-01-31 07:04:06 s 1 +71182.881 0 +343963.15 3700.0 C57
2021-01-31 07:14:06 S 08 08 27.838 +08 36 57.06 V C57
2021-01-31 07:14:06 s 1 +70852.742 0 +344272.52 3900.0 C57
2021-01-31 07:24:06 S 08 08 26.875 +08 37 01.38 V C57
2021-01-31 07:24:06 s 1 +70522.369 0 +344580.75 3640.0 C57
2021-01-31 07:34:06 S 08 08 26.642 +08 37 02.10 V C57
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)