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
2021-01-30 10:44:06 s 1 +109147.55 5 +297214.96 620.0 C57
2021-01-30 11:04:06 S 08 09 29.064 +08 30 02.52 V C57
2021-01-30 11:04:06 s 1 +108572.21 0 +298133.26 5730.0 C57
2021-01-30 11:34:06 S 08 09 27.593 +08 30 14.44 V C57
2021-01-30 11:34:06 s 1 +107705.55 3 +299500.68 6490.0 C57
2021-01-30 11:44:06 S 08 09 26.935 +08 30 20.12 V C57
2021-01-30 11:44:06 s 1 +107415.70 8 +299953.81 4910.0 C57
2021-01-30 11:54:06 S 08 09 26.628 +08 30 19.66 V C57
2021-01-30 11:54:06 s 1 +107125.38 7 +300405.62 2430.0 C57
2021-01-30 12:44:06 S 08 09 24.365 +08 30 30.85 V C57
2021-01-30 12:44:06 s 1 +105666.74 8 +302644.76 6650.0 C57
2021-01-30 13:04:06 S 08 09 23.150 +08 30 43.31 V C57
2021-01-30 13:04:06 s 1 +105080.06 0 +303531.18 180.0 C57
2021-01-30 13:14:06 S 08 09 22.843 +08 30 50.11 V C57
2021-01-30 13:14:06 s 1 +104786.03 4 +303972.41 640.0 C57
2021-01-30 13:24:06 S 08 09 22.284 +08 30 50.33 V C57
2021-01-30 13:24:06 s 1 +104491.55 7 +304412.34 240.0 C57
2021-01-30 13:44:06 S 08 09 21.026 +08 31 01.09 V C57
2021-01-30 13:44:06 s 1 +103901.25 9 +305288.25 6880.0 C57
2021-01-30 13:54:06 S 08 09 20.431 +08 31 02.39 V C57
2021-01-30 13:54:06 s 1 +103605.44 3 +305724.25 3930.0 C57
2021-01-30 14:04:06 S 08 09 19.908 +08 31 02.24 V C57
2021-01-30 14:04:06 s 1 +103309.18 6 +306158.95 130.0 C57
2021-01-30 14:14:06 S 08 09 19.723 +08 31 09.80 V C57
2021-01-30 14:14:06 s 1 +103012.49 1 +306592.34 5500.0 C57
2021-01-30 14:24:06 S 08 09 18.682 +08 31 11.28 V C57
2021-01-30 14:24:06 s 1 +102715.36 0 +307024.43 30.0 C57
2021-01-30 15:24:06 S 08 09 15.883 +08 31 37.74 V C57
2021-01-30 15:24:06 s 1 +100923.55 9 +309589.76 9990.0 C57
2021-01-30 15:34:06 S 08 09 15.338 +08 31 35.80 V C57
2021-01-30 15:34:06 s 1 +100623.44 6 +310012.80 8820.0 C57
2021-01-30 15:54:06 S 08 09 14.066 +08 31 42.35 V C57
2021-01-30 15:54:06 s 1 +100021.97 4 +310855.02 4080.0 C57
2021-01-30 16:14:06 S 08 09 13.361 +08 31 52.54 V C57
2021-01-30 16:14:06 s 1 +99418.856 0 +311692.11 6190.0 C57
2021-01-30 16:34:06 S 08 09 12.394 +08 31 52.50 V C57
2021-01-30 16:34:06 s 1 +98814.112 0 +312524.10 5180.0 C57
2021-01-30 18:04:06 S 08 09 07.802 +08 32 21.91 V C57
2021-01-30 18:04:06 s 1 +96073.134 0 +316205.13 7900.0 C57
2021-01-30 18:14:06 S 08 09 07.440 +08 32 34.15 V C57
2021-01-30 18:14:06 s 1 +95766.644 0 +316607.82 4470.0 C57
2021-01-30 18:54:06 S 08 09 05.273 +08 32 40.34 V C57
2021-01-30 18:54:06 s 1 +94536.914 0 +318206.02 3500.0 C57
2021-01-30 19:14:06 S 08 09 04.195 +08 32 52.22 V C57
2021-01-30 19:14:06 s 1 +93919.819 0 +318997.62 8710.0 C57
2021-01-30 19:44:06 S 08 09 03.000 +08 33 01.94 V C57
2021-01-30 19:44:06 s 1 +92991.436 0 +320175.67 1220.0 C57
2021-01-30 20:04:06 S 08 09 01.862 +08 33 08.46 V C57
2021-01-30 20:04:06 s 1 +92370.712 0 +320954.82 9420.0 C57
2021-01-30 20:14:06 S 08 09 01.054 +08 33 13.93 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)