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
2021-01-29 06:54:06 s 1 +147331.65 9 +199623.06 3030.0 C57
2021-01-29 07:04:06 S 08 10 53.741 +08 20 27.74 V C57
2021-01-29 07:04:06 s 1 +147184.31 5 +200344.46 7190.0 C57
2021-01-29 07:14:06 S 08 10 53.215 +08 20 31.49 V C57
2021-01-29 07:14:06 s 1 +147035.61 8 +201064.01 8840.0 C57
2021-01-29 07:34:06 S 08 10 52.474 +08 20 37.54 V C57
2021-01-29 07:34:06 s 1 +146734.20 1 +202497.60 4730.0 C57
2021-01-29 08:04:06 S 08 10 51.048 +08 20 51.32 V C57
2021-01-29 08:04:06 s 1 +146272.15 5 +204634.22 230.0 C57
2021-01-29 08:14:06 S 08 10 50.429 +08 20 50.28 V C57
2021-01-29 08:14:06 s 1 +146115.53 0 +205342.78 7250.0 C57
2021-01-29 08:24:06 S 08 10 49.853 +08 20 52.62 V C57
2021-01-29 08:24:06 s 1 +145957.61 4 +206049.53 1880.0 C57
2021-01-29 08:34:06 S 08 10 49.488 +08 20 59.21 V C57
2021-01-29 08:34:06 s 1 +145798.41 7 +206754.45 4140.0 C57
2021-01-29 08:54:06 S 08 10 48.206 +08 21 04.03 V C57
2021-01-29 08:54:06 s 1 +145476.21 1 +208158.89 1620.0 C57
2021-01-29 09:44:06 S 08 10 45.641 +08 21 21.46 V C57
2021-01-29 09:44:06 s 1 +144648.85 8 +211638.50 4950.0 C57
2021-01-29 10:14:06 S 08 10 44.285 +08 21 34.06 V C57
2021-01-29 10:14:06 s 1 +144137.80 0 +213704.85 9870.0 C57
2021-01-29 10:54:06 S 08 10 42.367 +08 21 44.03 V C57
2021-01-29 10:54:06 s 1 +143439.74 7 +216435.21 5630.0 C57
2021-01-29 11:14:06 S 08 10 41.268 +08 21 50.40 V C57
2021-01-29 11:14:06 s 1 +143083.72 8 +217789.85 570.0 C57
2021-01-29 11:24:06 S 08 10 41.023 +08 21 57.06 V C57
2021-01-29 11:24:06 s 1 +142903.99 7 +218464.54 4860.0 C57
2021-01-29 11:34:06 S 08 10 40.505 +08 21 59.62 V C57
2021-01-29 11:34:06 s 1 +142723.12 8 +219137.49 7030.0 C57
2021-01-29 11:44:06 S 08 10 39.941 +08 22 04.62 V C57
2021-01-29 11:44:06 s 1 +142541.12 8 +219808.70 7110.0 C57
2021-01-29 12:14:06 S 08 10 38.014 +08 22 15.49 V C57
2021-01-29 12:14:06 s 1 +141988.42 0 +221811.93 4930.0 C57
2021-01-29 12:44:06 S 08 10 36.922 +08 22 25.57 V C57
2021-01-29 12:44:06 s 1 +141425.79 6 +223799.64 4380.0 C57
2021-01-29 12:54:06 S 08 10 36.425 +08 22 27.98 V C57
2021-01-29 12:54:06 s 1 +141236.08 4 +224458.77 180.0 C57
2021-01-29 13:24:06 S 08 10 34.992 +08 22 39.22 V C57
2021-01-29 13:24:06 s 1 +140660.53 4 +226425.93 5670.0 C57
2021-01-29 13:34:06 S 08 10 34.291 +08 22 42.24 V C57
2021-01-29 13:34:06 s 1 +140466.56 9 +227078.24 3580.0 C57
2021-01-29 13:54:06 S 08 10 33.504 +08 22 50.77 V C57
2021-01-29 13:54:06 s 1 +140075.50 5 +228377.79 3580.0 C57
2021-01-29 15:04:06 S 08 10 29.609 +08 23 12.98 V C57
2021-01-29 15:04:06 s 1 +138674.56 9 +232873.18 8840.0 C57
2021-01-29 16:44:06 S 08 10 24.742 +08 23 49.34 V C57
2021-01-29 16:44:06 s 1 +136589.69 0 +239153.98 8360.0 C57
2021-01-29 16:54:06 S 08 10 24.350 +08 23 49.16 V C57
2021-01-29 16:54:06 s 1 +136375.99 6 +239773.04 9640.0 C57
2021-01-29 17:14:06 S 08 10 23.268 +08 23 57.70 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)