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
2021-01-29 17:14:06 s 1 +135945.84 4 +241006.28 7050.0 C57
2021-01-29 18:54:06 S 08 10 18.211 +08 24 30.92 V C57
2021-01-29 18:54:06 s 1 +133741.24 5 +247075.74 3940.0 C57
2021-01-29 19:04:06 S 08 10 17.534 +08 24 35.53 V C57
2021-01-29 19:04:06 s 1 +133515.97 9 +247673.90 3680.0 C57
2021-01-29 19:24:06 S 08 10 16.865 +08 24 42.26 V C57
2021-01-29 19:24:06 s 1 +133062.89 5 +248865.46 8410.0 C57
2021-01-29 20:04:06 S 08 10 14.738 +08 24 52.56 V C57
2021-01-29 20:04:06 s 1 +132146.66 0 +251229.66 9100.0 C57
2021-01-29 20:14:06 S 08 10 14.251 +08 25 03.14 V C57
2021-01-29 20:14:06 s 1 +131915.53 3 +251816.78 7920.0 C57
2021-01-29 20:24:06 S 08 10 13.829 +08 24 59.76 V C57
2021-01-29 20:24:06 s 1 +131683.58 8 +252402.34 5210.0 C57
2021-01-29 20:44:06 S 08 10 12.713 +08 25 08.90 V C57
2021-01-29 20:44:06 s 1 +131217.26 8 +253568.79 5260.0 C57
2021-01-29 21:14:06 S 08 10 11.472 +08 25 18.91 V C57
2021-01-29 21:14:06 s 1 +130511.77 8 +255306.79 9120.0 C57
2021-01-29 21:34:06 S 08 10 10.330 +08 25 24.74 V C57
2021-01-29 21:34:06 s 1 +130037.50 2 +256457.73 4320.0 C57
2021-01-29 22:04:06 S 08 10 08.426 +08 25 38.96 V C57
2021-01-29 22:04:06 s 1 +129320.25 7 +258172.60 6230.0 C57
2021-01-29 22:24:06 S 08 10 07.579 +08 25 40.33 V C57
2021-01-29 22:24:06 s 1 +128838.26 1 +259308.18 7010.0 C57
2021-01-29 23:24:06 S 08 10 04.654 +08 26 05.82 V C57
2021-01-29 23:24:06 s 1 +127374.26 5 +262678.41 5680.0 C57
2021-01-29 23:34:06 S 08 10 04.025 +08 26 06.94 V C57
2021-01-29 23:34:06 s 1 +127127.68 7 +263234.82 5640.0 C57
2021-01-29 23:44:06 S 08 10 03.758 +08 26 09.53 V C57
2021-01-29 23:44:06 s 1 +126880.38 3 +263789.73 4240.0 C57
2021-01-30 00:44:06 S 08 10 00.283 +08 26 33.47 V C57
2021-01-30 00:44:06 s 1 +125381.56 3 +267087.69 7750.0 C57
2021-01-30 00:54:06 S 08 09 59.897 +08 26 36.38 V C57
2021-01-30 00:54:06 s 1 +125129.29 9 +267632.13 7060.0 C57
2021-01-30 01:14:06 S 08 09 59.146 +08 26 43.69 V C57
2021-01-30 01:14:06 s 1 +124622.69 9 +268716.56 1790.0 C57
2021-01-30 01:24:06 S 08 09 58.210 +08 26 42.47 V C57
2021-01-30 01:24:06 s 1 +124368.37 1 +269256.56 7230.0 C57
2021-01-30 02:04:06 S 08 09 56.402 +08 27 03.53 V C57
2021-01-30 02:04:06 s 1 +123344.30 0 +271401.83 6320.0 C57
2021-01-30 02:34:06 S 08 09 54.871 +08 27 06.80 V C57
2021-01-30 02:34:06 s 1 +122569.25 8 +272995.39 20.0 C57
2021-01-30 02:44:06 S 08 09 54.413 +08 27 07.34 V C57
2021-01-30 02:44:06 s 1 +122309.60 0 +273523.66 5460.0 C57
2021-01-30 02:54:06 S 08 09 53.808 +08 27 17.89 V C57
2021-01-30 02:54:06 s 1 +122049.29 3 +274050.47 9680.0 C57
2021-01-30 03:04:06 S 08 09 53.398 +08 27 19.76 V C57
2021-01-30 03:04:06 s 1 +121788.34 1 +274575.83 2690.0 C57
2021-01-30 03:54:06 S 08 09 51.094 +08 27 36.22 V C57
2021-01-30 03:54:06 s 1 +120474.03 4 +277180.95 9800.0 C57
2021-01-30 04:04:06 S 08 09 50.198 +08 27 43.96 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)