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 06:44:07 S 08 19 44.422 +07 24 54.32 V C57
2021-01-22 06:44:07 s 1 -136315.61 2 +349560.88 1140.0 C57
2021-01-22 06:54:06 S 08 19 44.256 +07 24 53.03 V C57
2021-01-22 06:54:06 s 1 -136594.53 9 +349276.86 5730.0 C57
2021-01-22 07:14:07 S 08 19 42.890 +07 24 53.89 V C57
2021-01-22 07:14:07 s 1 -137151.29 6 +348706.00 3050.0 C57
2021-01-22 07:34:07 S 08 19 41.772 +07 25 03.07 V C57
2021-01-22 07:34:07 s 1 -137706.58 2 +348131.34 7870.0 C57
2021-01-22 08:34:07 S 08 19 38.153 +07 25 21.86 V C57
2021-01-22 08:34:07 s 1 -139363.51 6 +346384.61 7190.0 C57
2021-01-22 08:44:07 S 08 19 38.107 +07 25 25.36 V C57
2021-01-22 08:44:07 s 1 -139638.35 7 +346090.16 4850.0 C57
2021-01-22 08:54:07 S 08 19 37.440 +07 25 29.64 V C57
2021-01-22 08:54:07 s 1 -139912.81 9 +345794.77 1860.0 C57
2021-01-22 09:04:07 S 08 19 36.612 +07 25 31.15 V C57
2021-01-22 09:04:07 s 1 -140186.90 0 +345498.42 8220.0 C57
2021-01-22 09:14:06 S 08 19 36.146 +07 25 35.69 V C57
2021-01-22 09:14:06 s 1 -140460.59 9 +345201.11 3940.0 C57
2021-01-22 09:24:07 S 08 19 35.599 +07 25 38.96 V C57
2021-01-22 09:24:07 s 1 -140733.91 5 +344902.86 9010.0 C57
2021-01-22 09:34:06 S 08 19 35.021 +07 25 42.24 V C57
2021-01-22 09:34:06 s 1 -141006.84 7 +344603.65 3420.0 C57
2021-01-22 09:54:06 S 08 19 33.785 +07 25 50.52 V C57
2021-01-22 09:54:06 s 1 -141551.55 3 +344002.38 270.0 C57
2021-01-22 10:04:07 S 08 19 33.079 +07 25 52.68 V C57
2021-01-22 10:04:07 s 1 -141823.32 4 +343700.31 2710.0 C57
2021-01-22 10:14:07 S 08 19 32.635 +07 25 55.60 V C57
2021-01-22 10:14:07 s 1 -142094.70 5 +343397.29 4490.0 C57
2021-01-22 10:24:07 S 08 19 32.124 +07 26 00.74 V C57
2021-01-22 10:24:07 s 1 -142365.69 5 +343093.31 5600.0 C57
2021-01-22 10:34:07 S 08 19 31.493 +07 25 58.33 V C57
2021-01-22 10:34:07 s 1 -142636.29 4 +342788.37 6050.0 C57
2021-01-22 11:04:06 S 08 19 29.774 +07 26 13.06 V C57
2021-01-22 11:04:06 s 1 -143445.72 1 +341867.83 3360.0 C57
2021-01-22 12:14:06 S 08 19 25.740 +07 26 34.44 V C57
2021-01-22 12:14:06 s 1 -145320.40 3 +339686.35 3310.0 C57
2021-01-22 12:34:06 S 08 19 24.662 +07 26 37.61 V C57
2021-01-22 12:34:06 s 1 -145852.38 2 +339054.43 8520.0 C57
2021-01-22 12:44:07 S 08 19 24.209 +07 26 37.25 V C57
2021-01-22 12:44:07 s 1 -146117.75 7 +338737.02 90.0 C57
2021-01-22 12:54:06 S 08 19 23.510 +07 26 45.10 V C57
2021-01-22 12:54:06 s 1 -146382.72 1 +338418.65 950.0 C57
2021-01-22 13:04:07 S 08 19 23.011 +07 26 47.65 V C57
2021-01-22 13:04:07 s 1 -146647.27 2 +338099.32 1100.0 C57
2021-01-22 14:14:07 S 08 19 18.638 +07 27 11.34 V C57
2021-01-22 14:14:07 s 1 -148487.45 3 +335836.98 2320.0 C57
2021-01-22 14:24:06 S 08 19 17.966 +07 27 11.16 V C57
2021-01-22 14:24:06 s 1 -148748.65 1 +335509.93 6770.0 C57
2021-01-22 14:34:07 S 08 19 17.501 +07 27 11.56 V C57
2021-01-22 14:34:07 s 1 -149009.42 3 +335181.90 490.0 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)