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 07:34:06 s 1 +70191.763 0 +344887.83 2910.0 C57
2021-01-31 07:44:06 S 08 08 26.218 +08 37 07.00 V C57
2021-01-31 07:44:06 s 1 +69860.927 0 +345193.78 1720.0 C57
2021-01-31 07:54:06 S 08 08 25.423 +08 37 06.64 V C57
2021-01-31 07:54:06 s 1 +69529.862 0 +345498.59 60.0 C57
2021-01-31 08:04:06 S 08 08 25.068 +08 37 15.49 V C57
2021-01-31 08:04:06 s 1 +69198.569 0 +345802.27 7940.0 C57
2021-01-31 08:14:06 S 08 08 24.898 +08 37 15.24 V C57
2021-01-31 08:14:06 s 1 +68867.049 0 +346104.81 5370.0 C57
2021-01-31 08:44:06 S 08 08 22.730 +08 37 30.83 V C57
2021-01-31 08:44:06 s 1 +67871.149 0 +347005.64 4940.0 C57
2021-01-31 08:54:06 S 08 08 22.615 +08 37 33.28 V C57
2021-01-31 08:54:06 s 1 +67538.741 0 +347303.66 570.0 C57
2021-01-31 09:04:06 S 08 08 21.948 +08 37 35.65 V C57
2021-01-31 09:04:06 s 1 +67206.113 0 +347600.55 5750.0 C57
2021-01-31 10:14:06 S 08 08 18.274 +08 38 01.46 V C57
2021-01-31 10:14:06 s 1 +64871.727 0 +349647.26 9870.0 C57
2021-01-31 10:24:06 S 08 08 17.688 +08 37 59.84 V C57
2021-01-31 10:24:06 s 1 +64537.405 0 +349935.16 1600.0 C57
2021-01-31 10:34:06 S 08 08 17.340 +08 38 10.57 V C57
2021-01-31 10:34:06 s 1 +64202.877 0 +350221.95 2920.0 C57
2021-01-31 11:34:06 S 08 08 14.184 +08 38 25.69 V C57
2021-01-31 11:34:06 s 1 +62191.481 0 +351919.25 2160.0 C57
2021-01-31 11:54:06 S 08 08 13.418 +08 38 30.01 V C57
2021-01-31 11:54:06 s 1 +61519.439 0 +352476.13 8660.0 C57
2021-01-31 12:14:06 S 08 08 12.346 +08 38 41.82 V C57
2021-01-31 12:14:06 s 1 +60846.627 0 +353028.58 3580.0 C57
2021-01-31 12:24:06 S 08 08 11.995 +08 38 44.95 V C57
2021-01-31 12:24:06 s 1 +60509.935 0 +353303.14 460.0 C57
2021-01-31 12:34:06 S 08 08 11.182 +08 38 49.42 V C57
2021-01-31 12:34:06 s 1 +60173.056 0 +353576.61 6940.0 C57
2021-01-31 12:44:06 S 08 08 10.918 +08 38 50.39 V C57
2021-01-31 12:44:06 s 1 +59835.990 0 +353848.96 3030.0 C57
2021-01-31 13:04:06 S 08 08 09.744 +08 38 57.77 V C57
2021-01-31 13:04:06 s 1 +59161.302 0 +354390.38 4080.0 C57
2021-01-31 13:14:06 S 08 08 09.163 +08 38 59.75 V C57
2021-01-31 13:14:06 s 1 +58823.683 0 +354659.43 9030.0 C57
2021-01-31 13:24:06 S 08 08 08.861 +08 39 00.76 V C57
2021-01-31 13:24:06 s 1 +58485.883 0 +354927.39 3600.0 C57
2021-01-31 13:34:06 S 08 08 08.362 +08 39 05.11 V C57
2021-01-31 13:34:06 s 1 +58147.904 0 +355194.25 7800.0 C57
2021-01-31 13:54:06 S 08 08 07.205 +08 39 18.68 V C57
2021-01-31 13:54:06 s 1 +57471.409 0 +355724.68 5090.0 C57
2021-01-31 14:04:06 S 08 08 06.818 +08 39 12.85 V C57
2021-01-31 14:04:06 s 1 +57132.897 0 +355988.26 8180.0 C57
2021-01-31 17:14:06 S 08 07 57.074 +08 40 17.69 V C57
2021-01-31 17:14:06 s 1 +50669.505 0 +360789.64 260.0 C57
2021-01-31 18:24:06 S 08 07 53.472 +08 40 43.10 V C57
2021-01-31 18:24:06 s 1 +48274.146 0 +362460.49 7290.0 C57
2021-01-31 19:04:06 S 08 07 51.418 +08 41 01.25 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)