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
2021-01-20 01:54:07 s 1 -35084.071 0 +393266.66 6020.0 C57
2021-01-20 01:54:52 C 08 22 33.69 +07 07 49.4 V A16
2021-01-20 02:04:07 S 08 22 47.525 +07 08 37.50 V C57
2021-01-20 02:04:07 s 1 -35428.470 0 +393272.57 9080.0 C57
2021-01-20 02:12:33 C 08 22 32.66 +07 07 54.8 V A16
2021-01-20 02:14:07 S 08 22 46.702 +07 08 35.05 V C57
2021-01-20 02:14:07 s 1 -35772.797 0 +393277.56 2020.0 C57
2021-01-20 02:34:07 S 08 22 45.946 +07 08 41.71 V C57
2021-01-20 02:34:07 s 1 -36461.231 0 +393284.78 7590.0 C57
2021-01-20 02:54:07 S 08 22 44.633 +07 08 47.22 V C57
2021-01-20 02:54:07 s 1 -37149.367 0 +393288.33 2710.0 C57
2021-01-20 04:14:07 S 08 22 40.334 +07 09 16.13 V C57
2021-01-20 04:14:07 s 1 -39898.805 0 +393265.89 8500.0 C57
2021-01-20 04:24:07 S 08 22 39.636 +07 09 19.19 V C57
2021-01-20 04:24:07 s 1 -40242.122 0 +393258.96 9920.0 C57
2021-01-20 04:34:07 S 08 22 38.822 +07 09 20.59 V C57
2021-01-20 04:34:07 s 1 -40585.356 0 +393251.12 1220.0 C57
2021-01-20 05:04:07 S 08 22 37.222 +07 09 27.36 V C57
2021-01-20 05:04:07 s 1 -41614.552 0 +393222.11 4330.0 C57
2021-01-20 05:54:07 S 08 22 34.358 +07 09 47.38 V C57
2021-01-20 05:54:07 s 1 -43328.139 0 +393155.48 6860.0 C57
2021-01-20 06:24:07 S 08 22 32.810 +07 09 54.25 V C57
2021-01-20 06:24:07 s 1 -44355.215 0 +393104.54 6720.0 C57
2021-01-20 06:34:07 S 08 22 31.966 +07 09 58.07 V C57
2021-01-20 06:34:07 s 1 -44697.389 0 +393085.73 6380.0 C57
2021-01-20 07:54:07 S 08 22 27.475 +07 10 25.43 V C57
2021-01-20 07:54:07 s 1 -47431.351 0 +392902.47 8390.0 C57
2021-01-20 08:04:07 S 08 22 26.786 +07 10 24.71 V C57
2021-01-20 08:04:07 s 1 -47772.656 0 +392875.46 6710.0 C57
2021-01-20 08:54:07 S 08 22 24.077 +07 10 42.96 V C57
2021-01-20 08:54:07 s 1 -49477.654 0 +392726.75 5890.0 C57
2021-01-20 09:04:07 S 08 22 23.383 +07 10 39.25 V C57
2021-01-20 09:04:07 s 1 -49818.343 0 +392694.28 3240.0 C57
2021-01-20 09:14:07 S 08 22 22.730 +07 10 47.03 V C57
2021-01-20 09:14:07 s 1 -50158.927 0 +392660.90 430.0 C57
2021-01-20 09:34:07 S 08 22 21.317 +07 10 50.45 V C57
2021-01-20 09:34:07 s 1 -50839.776 0 +392591.41 4300.0 C57
2021-01-20 09:44:07 S 08 22 21.036 +07 10 52.21 V C57
2021-01-20 09:44:07 s 1 -51180.039 0 +392555.30 980.0 C57
2021-01-20 10:04:07 S 08 22 20.138 +07 11 01.93 V C57
2021-01-20 10:04:07 s 1 -51860.239 0 +392480.35 3830.0 C57
2021-01-20 10:34:07 S 08 22 17.854 +07 11 06.90 V C57
2021-01-20 10:34:07 s 1 -52879.712 0 +392361.11 1790.0 C57
2021-01-20 10:44:07 S 08 22 17.510 +07 11 11.58 V C57
2021-01-20 10:44:07 s 1 -53219.312 0 +392319.55 7420.0 C57
2021-01-20 10:54:07 S 08 22 17.206 +07 11 17.48 V C57
2021-01-20 10:54:07 s 1 -53558.799 0 +392277.08 2880.0 C57
2021-01-20 11:34:07 S 08 22 14.558 +07 11 30.34 V C57
2021-01-20 11:34:07 s 1 -54915.599 0 +392098.11 2880.0 C57
2021-01-20 11:54:07 S 08 22 13.584 +07 11 36.13 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)