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
2021-01-23 18:44:06 S 08 17 40.406 +07 36 06.95 V C57
2021-01-23 18:44:06 s 1 -185573.14 2 +265291.35 1290.0 C57
2021-01-23 18:54:06 S 08 17 39.550 +07 36 09.00 V C57
2021-01-23 18:54:06 s 1 -185735.24 0 +264788.40 5370.0 C57
2021-01-23 19:14:06 S 08 17 38.095 +07 36 17.57 V C57
2021-01-23 19:14:06 s 1 -186057.10 1 +263779.17 9480.0 C57
2021-01-23 20:04:06 S 08 17 35.402 +07 36 35.96 V C57
2021-01-23 20:04:06 s 1 -186847.99 0 +261236.71 5920.0 C57
2021-01-23 20:14:06 S 08 17 34.714 +07 36 33.55 V C57
2021-01-23 20:14:06 s 1 -187003.78 5 +260724.88 9080.0 C57
2021-01-23 20:34:06 S 08 17 33.475 +07 36 41.15 V C57
2021-01-23 20:34:06 s 1 -187312.96 5 +259697.88 1220.0 C57
2021-01-23 20:44:06 S 08 17 33.204 +07 36 43.63 V C57
2021-01-23 20:44:06 s 1 -187466.34 5 +259182.71 190.0 C57
2021-01-23 20:54:06 S 08 17 32.393 +07 36 47.99 V C57
2021-01-23 20:54:06 s 1 -187618.91 4 +258666.42 7760.0 C57
2021-01-23 21:04:06 S 08 17 31.685 +07 36 48.71 V C57
2021-01-23 21:04:06 s 1 -187770.66 9 +258149.01 3910.0 C57
2021-01-23 21:24:06 S 08 17 30.806 +07 37 03.36 V C57
2021-01-23 21:24:06 s 1 -188071.72 4 +257110.82 1960.0 C57
2021-01-23 21:34:06 S 08 17 30.221 +07 37 01.09 V C57
2021-01-23 21:34:06 s 1 -188221.01 7 +256590.05 3850.0 C57
2021-01-23 21:44:06 S 08 17 29.376 +07 37 08.83 V C57
2021-01-23 21:44:06 s 1 -188369.48 4 +256068.15 4300.0 C57
2021-01-23 22:34:06 S 08 17 26.887 +07 37 23.20 V C57
2021-01-23 22:34:06 s 1 -189099.30 3 +253441.78 4840.0 C57
2021-01-23 22:44:06 S 08 17 26.002 +07 37 22.19 V C57
2021-01-23 22:44:06 s 1 -189242.74 1 +252913.12 6570.0 C57
2021-01-23 22:54:06 S 08 17 25.591 +07 37 27.08 V C57
2021-01-23 22:54:06 s 1 -189385.32 9 +252383.32 6810.0 C57
2021-01-23 23:14:06 S 08 17 24.408 +07 37 27.41 V C57
2021-01-23 23:14:06 s 1 -189667.94 2 +251320.34 2860.0 C57
2021-01-24 00:04:06 S 08 17 21.754 +07 37 48.76 V C57
2021-01-24 00:04:06 s 1 -190359.37 1 +248642.99 6750.0 C57
2021-01-24 00:24:06 S 08 17 20.455 +07 37 57.29 V C57
2021-01-24 00:24:06 s 1 -190629.82 8 +247564.08 1680.0 C57
2021-01-24 00:34:06 S 08 17 19.730 +07 37 59.20 V C57
2021-01-24 00:34:06 s 1 -190763.73 2 +247022.91 6840.0 C57
2021-01-24 00:54:06 S 08 17 18.756 +07 38 07.80 V C57
2021-01-24 00:54:06 s 1 -191028.87 4 +245937.12 2540.0 C57
2021-01-24 01:04:06 S 08 17 18.240 +07 38 06.97 V C57
2021-01-24 01:04:06 s 1 -191160.10 5 +245392.51 3060.0 C57
2021-01-24 01:14:06 S 08 17 17.810 +07 38 08.63 V C57
2021-01-24 01:14:06 s 1 -191290.43 8 +244846.76 2010.0 C57
2021-01-24 01:24:06 S 08 17 16.579 +07 38 19.39 V C57
2021-01-24 01:24:06 s 1 -191419.87 0 +244299.85 9400.0 C57
2021-01-24 01:34:06 S 08 17 16.318 +07 38 19.43 V C57
2021-01-24 01:34:06 s 1 -191548.39 5 +243751.79 5210.0 C57
2021-01-24 01:44:06 S 08 17 15.998 +07 38 20.54 V C57
2021-01-24 01:44:06 s 1 -191676.01 2 +243202.58 9450.0 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)