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
2021-02-01 23:54:06 S 08 06 23.506 +08 50 43.73 V C57
2021-02-01 23:54:06 s 1 -13587.291 0 +388066.20 3380.0 C57
2021-02-02 00:04:06 S 08 06 23.282 +08 50 49.88 V C57
2021-02-02 00:04:06 s 1 -13938.435 0 +388123.50 4230.0 C57
2021-02-02 00:14:06 S 08 06 22.548 +08 50 57.55 V C57
2021-02-02 00:14:06 s 1 -14289.544 0 +388179.85 5080.0 C57
2021-02-02 00:34:06 S 08 06 21.307 +08 51 02.38 V C57
2021-02-02 00:34:06 s 1 -14991.652 0 +388289.69 6770.0 C57
2021-02-02 00:54:06 S 08 06 20.729 +08 51 04.32 V C57
2021-02-02 00:54:06 s 1 -15693.609 0 +388395.74 8420.0 C57
2021-02-02 02:54:06 S 08 06 14.870 +08 51 47.20 V C57
2021-02-02 02:54:06 s 1 -19901.791 0 +388952.41 6980.0 C57
2021-02-02 03:24:06 S 08 06 13.030 +08 51 53.78 V C57
2021-02-02 03:24:06 s 1 -20952.777 0 +389070.31 8570.0 C57
2021-02-02 03:34:06 S 08 06 12.307 +08 52 03.04 V C57
2021-02-02 03:34:06 s 1 -21303.003 0 +389107.72 9040.0 C57
2021-02-02 03:44:06 S 08 06 12.005 +08 52 01.27 V C57
2021-02-02 03:44:06 s 1 -21653.175 0 +389144.19 9480.0 C57
2021-02-02 03:54:06 S 08 06 11.777 +08 52 02.64 V C57
2021-02-02 03:54:06 s 1 -22003.294 0 +389179.71 9870.0 C57
2021-02-02 04:04:06 S 08 06 11.105 +08 52 08.22 V C57
2021-02-02 04:04:06 s 1 -22353.359 0 +389214.30 230.0 C57
2021-02-02 05:04:06 S 08 06 07.975 +08 52 30.25 V C57
2021-02-02 05:04:06 s 1 -24452.555 0 +389402.03 1530.0 C57
2021-02-02 05:24:06 S 08 06 06.823 +08 52 34.68 V C57
2021-02-02 05:24:06 s 1 -25151.813 0 +389457.08 1600.0 C57
2021-02-02 05:34:06 S 08 06 06.602 +08 52 42.92 V C57
2021-02-02 05:34:06 s 1 -25501.349 0 +389483.20 1560.0 C57
2021-02-02 06:04:06 S 08 06 05.237 +08 52 52.21 V C57
2021-02-02 06:04:06 s 1 -26549.579 0 +389555.92 1120.0 C57
2021-02-02 08:54:06 S 08 05 56.371 +08 53 44.09 V C57
2021-02-02 08:54:06 s 1 -32477.805 0 +389808.76 8020.0 C57
2021-02-02 11:24:06 S 08 05 49.039 +08 54 39.38 V C57
2021-02-02 11:24:06 s 1 -37689.737 0 +389807.84 7450.0 C57
2021-02-02 11:34:06 S 08 05 48.461 +08 54 40.54 V C57
2021-02-02 11:34:06 s 1 -38036.500 0 +389800.34 4650.0 C57
2021-02-02 11:54:06 S 08 05 47.350 +08 54 51.73 V C57
2021-02-02 11:54:06 s 1 -38729.747 0 +389782.54 8750.0 C57
2021-02-02 12:04:06 S 08 05 46.987 +08 54 56.52 V C57
2021-02-02 12:04:06 s 1 -39076.230 0 +389772.25 5640.0 C57
2021-02-02 14:34:06 S 08 05 39.643 +08 55 39.83 V C57
2021-02-02 14:34:06 s 1 -44261.689 0 +389506.58 5380.0 C57
2021-02-02 14:54:06 S 08 05 38.503 +08 55 51.53 V C57
2021-02-02 14:54:06 s 1 -44951.331 0 +389455.41 5270.0 C57
2021-02-02 15:04:06 S 08 05 38.098 +08 55 50.66 V C57
2021-02-02 15:04:06 s 1 -45295.989 0 +389428.44 20.0 C57
2021-02-02 15:14:06 S 08 05 37.327 +08 55 53.72 V C57
2021-02-02 15:14:06 s 1 -45640.539 0 +389400.54 4640.0 C57
2021-02-02 15:24:06 S 08 05 37.133 +08 55 59.95 V C57
2021-02-02 15:24:06 s 1 -45984.979 0 +389371.72 9120.0 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)