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
2021-01-23 04:44:06 S 08 18 28.301 +07 31 42.74 V C57
2021-01-23 04:44:06 s 1 -169454.30 6 +303696.89 5950.0 C57
2021-01-23 05:04:06 S 08 18 27.468 +07 31 51.56 V C57
2021-01-23 05:04:06 s 1 -169890.08 0 +302868.60 6600.0 C57
2021-01-23 05:14:06 S 08 18 26.779 +07 31 50.88 V C57
2021-01-23 05:14:06 s 1 -170107.10 5 +302452.91 5440.0 C57
2021-01-23 05:34:06 S 08 18 25.358 +07 32 00.49 V C57
2021-01-23 05:34:06 s 1 -170539.42 2 +301618.46 150.0 C57
2021-01-23 06:44:06 S 08 18 21.470 +07 32 20.18 V C57
2021-01-23 06:44:06 s 1 -172034.11 1 +298665.40 9960.0 C57
2021-01-23 06:54:06 S 08 18 20.957 +07 32 30.88 V C57
2021-01-23 06:54:06 s 1 -172245.27 1 +298239.40 8720.0 C57
2021-01-23 07:04:06 S 08 18 20.400 +07 32 28.90 V C57
2021-01-23 07:04:06 s 1 -172455.83 4 +297812.36 6450.0 C57
2021-01-23 07:14:07 S 08 18 19.541 +07 32 28.79 V C57
2021-01-23 07:14:07 s 1 -172665.79 6 +297384.29 3150.0 C57
2021-01-23 07:34:07 S 08 18 18.677 +07 32 33.68 V C57
2021-01-23 07:34:07 s 1 -173083.91 3 +296525.03 3440.0 C57
2021-01-23 07:44:06 S 08 18 17.918 +07 32 39.26 V C57
2021-01-23 07:44:06 s 1 -173292.06 2 +296093.84 7020.0 C57
2021-01-23 08:04:06 S 08 18 17.035 +07 32 46.75 V C57
2021-01-23 08:04:06 s 1 -173706.53 4 +295228.33 1040.0 C57
2021-01-23 08:14:06 S 08 18 16.471 +07 32 51.83 V C57
2021-01-23 08:14:06 s 1 -173912.85 1 +294794.02 1470.0 C57
2021-01-23 08:24:06 S 08 18 15.746 +07 32 53.81 V C57
2021-01-23 08:24:06 s 1 -174118.55 4 +294358.66 840.0 C57
2021-01-23 08:34:06 S 08 18 15.077 +07 32 56.44 V C57
2021-01-23 08:34:06 s 1 -174323.63 9 +293922.26 9150.0 C57
2021-01-23 08:44:07 S 08 18 14.693 +07 33 03.02 V C57
2021-01-23 08:44:07 s 1 -174528.10 5 +293484.82 6390.0 C57
2021-01-23 08:54:06 S 08 18 13.697 +07 32 58.06 V C57
2021-01-23 08:54:06 s 1 -174731.94 9 +293046.33 2560.0 C57
2021-01-23 09:14:06 S 08 18 12.475 +07 33 13.25 V C57
2021-01-23 09:14:06 s 1 -175137.76 4 +292166.21 1670.0 C57
2021-01-23 09:24:06 S 08 18 12.394 +07 33 13.97 V C57
2021-01-23 09:24:06 s 1 -175339.73 0 +291724.57 4610.0 C57
2021-01-23 09:34:06 S 08 18 11.801 +07 33 17.71 V C57
2021-01-23 09:34:06 s 1 -175541.06 5 +291281.89 6460.0 C57
2021-01-23 10:14:07 S 08 18 09.343 +07 33 28.91 V C57
2021-01-23 10:14:07 s 1 -176340.05 6 +289500.65 2920.0 C57
2021-01-23 10:54:06 S 08 18 07.022 +07 33 38.70 V C57
2021-01-23 10:54:06 s 1 -177128.77 5 +287702.56 1690.0 C57
2021-01-23 11:14:06 S 08 18 05.947 +07 33 47.66 V C57
2021-01-23 11:14:06 s 1 -177519.23 7 +286797.17 4350.0 C57
2021-01-23 11:34:06 S 08 18 04.524 +07 33 54.07 V C57
2021-01-23 11:34:06 s 1 -177907.07 5 +285887.55 2490.0 C57
2021-01-23 11:44:07 S 08 18 03.982 +07 33 55.44 V C57
2021-01-23 11:44:07 s 1 -178100.00 4 +285431.15 9850.0 C57
2021-01-23 11:54:06 S 08 18 03.617 +07 33 56.88 V C57
2021-01-23 11:54:06 s 1 -178292.27 0 +284973.68 6070.0 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)