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
2021-01-31 19:04:06 s 1 +46902.234 0 +363391.76 1680.0 C57
2021-01-31 19:34:06 S 08 07 49.745 +08 41 11.62 V C57
2021-01-31 19:34:06 s 1 +45871.865 0 +364079.05 9340.0 C57
2021-01-31 19:44:06 S 08 07 49.418 +08 41 09.35 V C57
2021-01-31 19:44:06 s 1 +45528.141 0 +364306.03 1310.0 C57
2021-01-31 22:04:06 S 08 07 42.350 +08 41 56.94 V C57
2021-01-31 22:04:06 s 1 +40702.741 0 +367372.83 9540.0 C57
2021-01-31 22:24:06 S 08 07 41.338 +08 42 04.90 V C57
2021-01-31 22:24:06 s 1 +40011.482 0 +367794.13 5010.0 C57
2021-01-31 22:44:06 S 08 07 40.046 +08 42 16.92 V C57
2021-01-31 22:44:06 s 1 +39319.772 0 +368211.26 9450.0 C57
2021-01-31 22:54:06 S 08 07 39.900 +08 42 13.50 V C57
2021-01-31 22:54:06 s 1 +38973.750 0 +368418.26 6290.0 C57
2021-01-31 23:04:06 S 08 07 39.130 +08 42 15.91 V C57
2021-01-31 23:04:06 s 1 +38627.620 0 +368624.21 2880.0 C57
2021-01-31 23:24:06 S 08 07 38.148 +08 42 25.20 V C57
2021-01-31 23:24:06 s 1 +37935.034 0 +369032.99 5330.0 C57
2021-01-31 23:34:06 S 08 07 37.627 +08 42 32.15 V C57
2021-01-31 23:34:06 s 1 +37588.582 0 +369235.83 1180.0 C57
2021-01-31 23:44:06 S 08 07 36.924 +08 42 35.17 V C57
2021-01-31 23:44:06 s 1 +37242.025 0 +369437.62 6800.0 C57
2021-02-01 00:04:06 S 08 07 36.067 +08 42 40.75 V C57
2021-02-01 00:04:06 s 1 +36548.600 0 +369838.09 7310.0 C57
2021-02-01 00:34:06 S 08 07 34.397 +08 42 47.70 V C57
2021-02-01 00:34:06 s 1 +35507.705 0 +370431.02 1310.0 C57
2021-02-01 01:24:06 S 08 07 32.290 +08 43 07.46 V C57
2021-02-01 01:24:06 s 1 +33770.929 0 +371398.56 80.0 C57
2021-02-01 01:34:06 S 08 07 31.351 +08 43 13.76 V C57
2021-02-01 01:34:06 s 1 +33423.291 0 +371588.97 3170.0 C57
2021-02-01 01:44:06 S 08 07 30.958 +08 43 12.07 V C57
2021-02-01 01:44:06 s 1 +33075.561 0 +371778.35 6030.0 C57
2021-02-01 01:54:06 S 08 07 30.703 +08 43 22.04 V C57
2021-02-01 01:54:06 s 1 +32727.741 0 +371966.71 8680.0 C57
2021-02-01 02:34:06 S 08 07 28.855 +08 43 31.12 V C57
2021-02-01 02:34:06 s 1 +31335.576 0 +372709.86 7160.0 C57
2021-02-01 04:14:06 S 08 07 23.554 +08 44 04.78 V C57
2021-02-01 04:14:06 s 1 +27849.345 0 +374496.10 4120.0 C57
2021-02-01 04:54:06 S 08 07 21.434 +08 44 18.31 V C57
2021-02-01 04:54:06 s 1 +26452.702 0 +375182.06 1520.0 C57
2021-02-01 05:24:06 S 08 07 20.206 +08 44 33.65 V C57
2021-02-01 05:24:06 s 1 +25404.475 0 +375685.89 7660.0 C57
2021-02-01 05:34:06 S 08 07 19.757 +08 44 27.96 V C57
2021-02-01 05:34:06 s 1 +25054.930 0 +375851.80 6020.0 C57
2021-02-01 05:44:06 S 08 07 18.919 +08 44 39.41 V C57
2021-02-01 05:44:06 s 1 +24705.318 0 +376016.71 4200.0 C57
2021-02-01 05:54:06 S 08 07 18.343 +08 44 40.45 V C57
2021-02-01 05:54:06 s 1 +24355.641 0 +376180.60 2220.0 C57
2021-02-01 06:04:06 S 08 07 17.664 +08 44 39.88 V C57
2021-02-01 06:04:06 s 1 +24005.899 0 +376343.48 60.0 C57
2021-02-01 06:34:06 S 08 07 16.582 +08 44 56.00 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)