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
2021-01-25 21:34:06 s 1 -175174.67 0 +54764.532 7350.0 C57
2021-01-25 21:54:06 S 08 14 45.924 +07 52 29.96 V C57
2021-01-25 21:54:06 s 1 -174424.80 6 +52977.998 1280.0 C57
2021-01-25 22:04:06 S 08 14 45.209 +07 52 27.08 V C57
2021-01-25 22:04:06 s 1 -174043.95 2 +52082.932 2590.0 C57
2021-01-25 22:14:06 S 08 14 44.921 +07 52 36.59 V C57
2021-01-25 22:14:06 s 1 -173659.10 9 +51186.679 6720.0 C57
2021-01-25 22:24:06 S 08 14 44.179 +07 52 37.74 V C57
2021-01-25 22:24:06 s 1 -173270.24 3 +50289.245 3620.0 C57
2021-01-25 23:24:06 S 08 14 40.918 +07 53 00.78 V C57
2021-01-25 23:24:06 s 1 -170850.75 2 +44880.381 9710.0 C57
2021-01-25 23:44:06 S 08 14 40.111 +07 53 04.13 V C57
2021-01-25 23:44:06 s 1 -170010.56 9 +43068.418 1100.0 C57
2021-01-28 05:04:06 S 08 12 09.542 +08 11 26.20 V C57
2021-01-28 05:04:06 s 1 +144732.70 7 +62806.322 3360.0 C57
2021-01-28 05:54:06 S 08 12 07.382 +08 11 40.96 V C57
2021-01-28 05:54:06 s 1 +146021.19 1 +68057.265 1930.0 C57
2021-01-28 06:04:06 S 08 12 06.850 +08 11 45.42 V C57
2021-01-28 06:04:06 s 1 +146264.24 2 +69100.733 960.0 C57
2021-01-28 06:24:06 S 08 12 05.714 +08 11 51.79 V C57
2021-01-28 06:24:06 s 1 +146736.10 1 +71180.893 3070.0 C57
2021-01-28 06:54:06 S 08 12 04.162 +08 12 06.95 V C57
2021-01-28 06:54:06 s 1 +147409.01 9 +74284.096 7670.0 C57
2021-01-28 07:04:06 S 08 12 03.749 +08 12 02.88 V C57
2021-01-28 07:04:06 s 1 +147624.21 7 +75313.932 5930.0 C57
2021-01-28 07:14:06 S 08 12 03.497 +08 12 11.59 V C57
2021-01-28 07:14:06 s 1 +147834.93 8 +76341.478 6040.0 C57
2021-01-28 07:34:06 S 08 12 02.366 +08 12 18.90 V C57
2021-01-28 07:34:06 s 1 +148243.13 1 +78389.682 2090.0 C57
2021-01-28 12:24:06 S 08 11 48.744 +08 13 57.94 V C57
2021-01-28 12:24:06 s 1 +152372.92 8 +107047.09 90.0 C57
2021-01-28 13:24:06 S 08 11 45.917 +08 14 22.85 V C57
2021-01-28 13:24:06 s 1 +152856.32 0 +112732.94 5000.0 C57
2021-01-28 14:04:06 S 08 11 44.110 +08 14 30.30 V C57
2021-01-28 14:04:06 s 1 +153116.15 4 +116477.60 780.0 C57
2021-01-28 14:24:06 S 08 11 42.578 +08 14 42.76 V C57
2021-01-28 14:24:06 s 1 +153228.00 9 +118336.23 5640.0 C57
2021-01-28 14:34:06 S 08 11 42.259 +08 14 50.35 V C57
2021-01-28 14:34:06 s 1 +153279.51 6 +119262.12 4970.0 C57
2021-01-28 14:44:06 S 08 11 41.966 +08 14 48.05 V C57
2021-01-28 14:44:06 s 1 +153328.10 9 +120185.75 8980.0 C57
2021-01-28 14:54:06 S 08 11 41.580 +08 14 55.86 V C57
2021-01-28 14:54:06 s 1 +153373.81 5 +121107.10 7700.0 C57
2021-01-28 15:14:06 S 08 11 40.318 +08 14 59.21 V C57
2021-01-28 15:14:06 s 1 +153456.66 6 +122943.02 9480.0 C57
2021-01-28 15:24:06 S 08 11 40.169 +08 14 58.96 V C57
2021-01-28 15:24:06 s 1 +153493.86 2 +123857.59 2630.0 C57
2021-01-28 19:04:06 S 08 11 29.604 +08 16 14.88 V C57
2021-01-28 19:04:06 s 1 +153647.44 1 +143414.37 4410.0 C57
2021-01-28 19:14:06 S 08 11 28.572 +08 16 25.86 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)