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
2021-01-22 14:44:07 S 08 19 16.949 +07 27 18.94 V C57
2021-01-22 14:44:07 s 1 -149269.76 8 +334852.90 3480.0 C57
2021-01-22 14:54:06 S 08 19 16.678 +07 27 19.76 V C57
2021-01-22 14:54:06 s 1 -149529.68 5 +334522.94 5740.0 C57
2021-01-22 15:04:07 S 08 19 15.996 +07 27 24.19 V C57
2021-01-22 15:04:07 s 1 -149789.17 2 +334192.01 7270.0 C57
2021-01-22 15:14:06 S 08 19 15.341 +07 27 27.94 V C57
2021-01-22 15:14:06 s 1 -150048.22 7 +333860.10 8070.0 C57
2021-01-22 15:24:07 S 08 19 14.580 +07 27 29.38 V C57
2021-01-22 15:24:07 s 1 -150306.85 0 +333527.23 8130.0 C57
2021-01-22 15:44:07 S 08 19 13.459 +07 27 39.74 V C57
2021-01-22 15:44:07 s 1 -150822.79 1 +332858.56 6010.0 C57
2021-01-22 16:14:07 S 08 19 11.477 +07 27 45.97 V C57
2021-01-22 16:14:07 s 1 -151593.41 8 +331848.27 7250.0 C57
2021-01-22 16:34:07 S 08 19 10.310 +07 27 56.02 V C57
2021-01-22 16:34:07 s 1 -152104.96 4 +331169.87 7640.0 C57
2021-01-22 16:44:06 S 08 19 10.051 +07 28 00.55 V C57
2021-01-22 16:44:06 s 1 -152360.07 0 +330829.21 1700.0 C57
2021-01-22 16:54:07 S 08 19 09.530 +07 27 57.42 V C57
2021-01-22 16:54:07 s 1 -152614.73 1 +330487.57 5000.0 C57
2021-01-22 17:04:06 S 08 19 09.058 +07 28 03.54 V C57
2021-01-22 17:04:06 s 1 -152868.94 3 +330144.95 7530.0 C57
2021-01-22 17:14:07 S 08 19 08.256 +07 28 00.70 V C57
2021-01-22 17:14:07 s 1 -153122.70 6 +329801.36 9300.0 C57
2021-01-22 17:44:07 S 08 19 06.259 +07 28 15.42 V C57
2021-01-22 17:44:07 s 1 -153881.28 4 +328764.71 9970.0 C57
2021-01-22 17:54:06 S 08 19 06.058 +07 28 18.70 V C57
2021-01-22 17:54:06 s 1 -154133.23 4 +328417.21 8640.0 C57
2021-01-22 18:24:07 S 08 19 04.277 +07 28 26.44 V C57
2021-01-22 18:24:07 s 1 -154886.33 8 +327368.80 9970.0 C57
2021-01-22 18:34:06 S 08 19 03.528 +07 28 34.54 V C57
2021-01-22 18:34:06 s 1 -155136.45 1 +327017.37 5500.0 C57
2021-01-22 18:44:07 S 08 19 03.065 +07 28 33.82 V C57
2021-01-22 18:44:07 s 1 -155386.10 1 +326664.95 250.0 C57
2021-01-22 19:04:06 S 08 19 01.927 +07 28 36.70 V C57
2021-01-22 19:04:06 s 1 -155884.00 5 +325957.17 7350.0 C57
2021-01-22 19:14:07 S 08 19 01.414 +07 28 48.61 V C57
2021-01-22 19:14:07 s 1 -156132.25 5 +325601.80 9700.0 C57
2021-01-22 19:34:07 S 08 19 00.211 +07 28 48.00 V C57
2021-01-22 19:34:07 s 1 -156627.34 7 +324888.11 2000.0 C57
2021-01-22 19:44:06 S 08 18 59.717 +07 28 55.31 V C57
2021-01-22 19:44:06 s 1 -156874.18 4 +324529.79 1930.0 C57
2021-01-22 20:44:05 S 08 18 56.335 +07 29 10.25 V C57
2021-01-22 20:44:05 s 1 -158345.18 7 +322359.09 4430.0 C57
2021-01-22 20:54:06 S 08 18 55.702 +07 29 15.32 V C57
2021-01-22 20:54:06 s 1 -158588.66 9 +321993.85 8630.0 C57
2021-01-22 21:04:07 S 08 18 54.694 +07 29 17.84 V C57
2021-01-22 21:04:07 s 1 -158831.66 6 +321627.61 2000.0 C57
2021-01-22 21:14:06 S 08 18 54.394 +07 29 22.78 V C57
2021-01-22 21:14:06 s 1 -159074.17 4 +321260.38 4530.0 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)