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
2021-01-19 19:54:07 s 1 -22644.383 0 +392440.31 6070.0 C57
2021-01-19 20:04:07 S 08 23 08.122 +07 06 42.23 V C57
2021-01-19 20:04:07 s 1 -22990.848 0 +392479.45 2070.0 C57
2021-01-19 20:14:07 S 08 23 07.867 +07 06 46.08 V C57
2021-01-19 20:14:07 s 1 -23337.270 0 +392517.66 8020.0 C57
2021-01-19 20:24:07 S 08 23 07.238 +07 06 50.40 V C57
2021-01-19 20:24:07 s 1 -23683.648 0 +392554.95 3910.0 C57
2021-01-19 20:34:07 S 08 23 06.946 +07 06 55.30 V C57
2021-01-19 20:34:07 s 1 -24029.981 0 +392591.30 9740.0 C57
2021-01-19 20:44:07 S 08 23 05.926 +07 06 59.69 V C57
2021-01-19 20:44:07 s 1 -24376.268 0 +392626.73 5500.0 C57
2021-01-19 21:04:07 S 08 23 04.810 +07 07 00.95 V C57
2021-01-19 21:04:07 s 1 -25068.701 0 +392694.81 6850.0 C57
2021-01-19 21:14:07 S 08 23 04.274 +07 07 06.46 V C57
2021-01-19 21:14:07 s 1 -25414.846 0 +392727.46 2420.0 C57
2021-01-19 21:24:07 S 08 23 03.590 +07 07 03.61 V C57
2021-01-19 21:24:07 s 1 -25760.942 0 +392759.18 7920.0 C57
2021-01-19 21:34:07 S 08 23 03.113 +07 07 10.52 V C57
2021-01-19 21:34:07 s 1 -26106.987 0 +392789.98 3360.0 C57
2021-01-19 21:54:07 S 08 23 02.054 +07 07 15.31 V C57
2021-01-19 21:54:07 s 1 -26798.926 0 +392848.79 4020.0 C57
2021-01-19 22:14:07 S 08 23 01.135 +07 07 27.80 V C57
2021-01-19 22:14:07 s 1 -27490.656 0 +392903.91 4390.0 C57
2021-01-19 22:24:07 S 08 23 00.005 +07 07 23.09 V C57
2021-01-19 22:24:07 s 1 -27836.441 0 +392930.08 9460.0 C57
2021-01-19 22:44:07 S 08 22 58.973 +07 07 33.53 V C57
2021-01-19 22:44:07 s 1 -28527.845 0 +392979.65 9380.0 C57
2021-01-19 23:04:07 S 08 22 57.778 +07 07 39.40 V C57
2021-01-19 23:04:07 s 1 -29219.025 0 +393025.53 8970.0 C57
2021-01-19 23:14:07 S 08 22 57.240 +07 07 41.09 V C57
2021-01-19 23:14:07 s 1 -29564.529 0 +393047.09 3640.0 C57
2021-01-19 23:24:07 S 08 22 57.050 +07 07 43.68 V C57
2021-01-19 23:24:07 s 1 -29909.973 0 +393067.72 8230.0 C57
2021-01-19 23:34:07 S 08 22 56.146 +07 07 47.93 V C57
2021-01-19 23:34:07 s 1 -30255.359 0 +393087.43 2730.0 C57
2021-01-20 00:04:07 S 08 22 54.336 +07 07 53.51 V C57
2021-01-20 00:04:07 s 1 -31291.151 0 +393141.02 5710.0 C57
2021-01-20 00:24:07 S 08 22 53.153 +07 07 57.94 V C57
2021-01-20 00:24:07 s 1 -31981.367 0 +393172.15 3910.0 C57
2021-01-20 00:44:07 S 08 22 52.260 +07 08 13.60 V C57
2021-01-20 00:44:07 s 1 -32671.327 0 +393199.59 1740.0 C57
2021-01-20 01:04:07 S 08 22 51.017 +07 08 10.97 V C57
2021-01-20 01:04:07 s 1 -33361.023 0 +393223.35 9180.0 C57
2021-01-20 01:14:07 S 08 22 50.861 +07 08 18.67 V C57
2021-01-20 01:14:07 s 1 -33705.771 0 +393233.85 2750.0 C57
2021-01-20 01:19:29 C 08 22 35.70 +07 07 38.4 V A16
2021-01-20 01:37:11 C 08 22 34.68 +07 07 44.0 V A16
2021-01-20 01:44:07 S 08 22 48.936 +07 08 27.78 V C57
2021-01-20 01:44:07 s 1 -34739.601 0 +393259.84 2860.0 C57
2021-01-20 01:54:07 S 08 22 48.190 +07 08 30.77 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)