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
2021-01-20 11:54:07 s 1 -55593.298 0 +392003.18 1770.0 C57
2021-01-20 12:04:07 S 08 22 12.972 +07 11 33.40 V C57
2021-01-20 12:04:07 s 1 -55931.970 0 +391954.35 5930.0 C57
2021-01-20 12:44:07 S 08 22 10.502 +07 11 46.82 V C57
2021-01-20 12:44:07 s 1 -57285.454 0 +391749.98 650.0 C57
2021-01-20 12:54:07 S 08 22 10.181 +07 11 56.51 V C57
2021-01-20 12:54:07 s 1 -57623.520 0 +391696.61 3850.0 C57
2021-01-20 13:04:07 S 08 22 09.595 +07 11 55.68 V C57
2021-01-20 13:04:07 s 1 -57961.462 0 +391642.34 6850.0 C57
2021-01-20 13:44:07 S 08 22 07.450 +07 12 06.41 V C57
2021-01-20 13:44:07 s 1 -59311.979 0 +391416.20 6840.0 C57
2021-01-20 13:54:07 S 08 22 06.578 +07 12 10.62 V C57
2021-01-20 13:54:07 s 1 -59649.291 0 +391357.40 8830.0 C57
2021-01-20 14:04:07 S 08 22 06.367 +07 12 12.85 V C57
2021-01-20 14:04:07 s 1 -59986.474 0 +391297.69 610.0 C57
2021-01-20 14:14:07 S 08 22 05.767 +07 12 09.11 V C57
2021-01-20 14:14:07 s 1 -60323.529 0 +391237.08 2190.0 C57
2021-01-20 14:24:07 S 08 22 04.656 +07 12 19.69 V C57
2021-01-20 14:24:07 s 1 -60660.453 0 +391175.56 3560.0 C57
2021-01-20 16:04:07 S 08 21 59.107 +07 12 54.47 V C57
2021-01-20 16:04:07 s 1 -64022.370 0 +390510.54 5470.0 C57
2021-01-20 16:14:07 S 08 21 58.457 +07 12 52.09 V C57
2021-01-20 16:14:07 s 1 -64357.811 0 +390439.06 4450.0 C57
2021-01-20 16:24:07 S 08 21 57.890 +07 12 58.79 V C57
2021-01-20 16:24:07 s 1 -64693.112 0 +390366.67 3200.0 C57
2021-01-20 16:34:07 S 08 21 57.178 +07 12 57.42 V C57
2021-01-20 16:34:07 s 1 -65028.273 0 +390293.38 1730.0 C57
2021-01-20 16:44:07 S 08 21 56.774 +07 13 00.26 V C57
2021-01-20 16:44:07 s 1 -65363.292 0 +390219.18 40.0 C57
2021-01-20 16:54:07 S 08 21 56.093 +07 13 03.00 V C57
2021-01-20 16:54:07 s 1 -65698.170 0 +390144.08 8110.0 C57
2021-01-20 23:34:07 S 08 21 33.197 +07 15 13.57 V C57
2021-01-20 23:34:07 s 1 -78967.337 0 +386398.36 6300.0 C57
2021-01-20 23:44:07 S 08 21 32.446 +07 15 14.08 V C57
2021-01-20 23:44:07 s 1 -79295.681 0 +386286.18 3730.0 C57
2021-01-21 00:04:07 S 08 21 31.262 +07 15 19.37 V C57
2021-01-21 00:04:07 s 1 -79951.837 0 +386059.11 7700.0 C57
2021-01-21 00:14:07 S 08 21 30.694 +07 15 22.18 V C57
2021-01-21 00:14:07 s 1 -80279.648 0 +385944.22 4250.0 C57
2021-01-21 00:34:07 S 08 21 29.755 +07 15 23.47 V C57
2021-01-21 00:34:07 s 1 -80934.731 0 +385711.72 6460.0 C57
2021-01-21 01:04:07 S 08 21 28.226 +07 15 37.58 V C57
2021-01-21 01:04:07 s 1 -81915.994 0 +385356.19 2540.0 C57
2021-01-21 01:24:07 S 08 21 27.067 +07 15 46.51 V C57
2021-01-21 01:24:07 s 1 -82569.254 0 +385114.64 1760.0 C57
2021-01-21 01:54:07 S 08 21 25.195 +07 15 53.42 V C57
2021-01-21 01:54:07 s 1 -83547.750 0 +384745.54 3290.0 C57
2021-01-21 02:24:07 S 08 21 23.405 +07 16 06.67 V C57
2021-01-21 02:24:07 s 1 -84524.555 0 +384368.29 2030.0 C57
2021-01-21 02:34:07 S 08 21 22.860 +07 16 05.56 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)