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
2021-01-21 14:24:07 S 08 20 41.177 +07 19 41.23 V C57
2021-01-21 14:24:07 s 1 -107398.53 2 +372864.70 7720.0 C57
2021-01-21 15:14:07 S 08 20 38.510 +07 20 01.79 V C57
2021-01-21 15:14:07 s 1 -108941.71 8 +371890.50 1220.0 C57
2021-01-21 15:54:07 S 08 20 36.384 +07 20 11.65 V C57
2021-01-21 15:54:07 s 1 -110171.57 2 +371094.65 2150.0 C57
2021-01-21 16:04:07 S 08 20 35.959 +07 20 16.55 V C57
2021-01-21 16:04:07 s 1 -110478.37 5 +370893.39 3780.0 C57
2021-01-21 16:14:07 S 08 20 35.230 +07 20 17.81 V C57
2021-01-21 16:14:07 s 1 -110784.91 2 +370691.22 4960.0 C57
2021-01-21 16:24:07 S 08 20 34.711 +07 20 15.14 V C57
2021-01-21 16:24:07 s 1 -111091.18 1 +370488.14 5690.0 C57
2021-01-21 16:44:07 S 08 20 33.677 +07 20 25.15 V C57
2021-01-21 16:44:07 s 1 -111702.91 5 +370079.21 5810.0 C57
2021-01-21 17:14:07 S 08 20 31.781 +07 20 34.73 V C57
2021-01-21 17:14:07 s 1 -112618.48 7 +369458.94 2580.0 C57
2021-01-21 18:04:07 S 08 20 29.009 +07 20 48.05 V C57
2021-01-21 18:04:07 s 1 -114138.96 4 +368406.77 7990.0 C57
2021-01-21 19:54:07 S 08 20 22.037 +07 21 27.58 V C57
2021-01-21 19:54:07 s 1 -117459.34 2 +366011.01 4460.0 C57
2021-01-21 20:04:07 S 08 20 21.691 +07 21 28.98 V C57
2021-01-21 20:04:07 s 1 -117759.47 8 +365787.69 4890.0 C57
2021-01-21 20:14:07 S 08 20 21.173 +07 21 35.06 V C57
2021-01-21 20:14:07 s 1 -118059.32 3 +365563.44 4830.0 C57
2021-01-21 20:24:06 S 08 20 20.513 +07 21 33.37 V C57
2021-01-21 20:24:06 s 1 -118358.87 6 +365338.26 4280.0 C57
2021-01-21 20:34:07 S 08 20 19.920 +07 21 41.47 V C57
2021-01-21 20:34:07 s 1 -118658.13 6 +365112.17 3230.0 C57
2021-01-21 20:54:07 S 08 20 18.929 +07 21 47.88 V C57
2021-01-21 20:54:07 s 1 -119255.77 4 +364657.20 9650.0 C57
2021-01-21 21:44:07 S 08 20 15.816 +07 21 58.90 V C57
2021-01-21 21:44:07 s 1 -120744.66 9 +363503.60 1960.0 C57
2021-01-21 21:54:06 S 08 20 15.756 +07 22 03.61 V C57
2021-01-21 21:54:06 s 1 -121041.54 8 +363270.10 6900.0 C57
2021-01-21 22:04:07 S 08 20 15.048 +07 22 07.21 V C57
2021-01-21 22:04:07 s 1 -121338.12 5 +363035.68 1340.0 C57
2021-01-21 22:24:07 S 08 20 13.858 +07 22 15.46 V C57
2021-01-21 22:24:07 s 1 -121930.36 7 +362564.05 8670.0 C57
2021-01-21 22:34:07 S 08 20 13.421 +07 22 12.90 V C57
2021-01-21 22:34:07 s 1 -122226.03 0 +362326.85 1570.0 C57
2021-01-21 22:44:07 S 08 20 12.773 +07 22 15.02 V C57
2021-01-21 22:44:07 s 1 -122521.38 6 +362088.72 3950.0 C57
2021-01-21 23:04:07 S 08 20 11.484 +07 22 21.36 V C57
2021-01-21 23:04:07 s 1 -123111.17 4 +361609.67 7140.0 C57
2021-01-21 23:14:07 S 08 20 10.891 +07 22 27.26 V C57
2021-01-21 23:14:07 s 1 -123405.60 3 +361368.75 7960.0 C57
2021-01-21 23:24:06 S 08 20 10.258 +07 22 29.57 V C57
2021-01-21 23:24:06 s 1 -123699.72 1 +361126.91 8250.0 C57
2021-01-21 23:34:07 S 08 20 09.790 +07 22 30.72 V C57
2021-01-21 23:34:07 s 1 -123993.52 7 +360884.14 8010.0 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)