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 21:24:07 S 08 18 53.722 +07 29 22.60 V C57
2021-01-22 21:24:07 s 1 -159316.19 4 +320892.16 6230.0 C57
2021-01-22 21:34:06 S 08 18 53.287 +07 29 22.85 V C57
2021-01-22 21:34:06 s 1 -159557.72 3 +320522.94 7090.0 C57
2021-01-22 21:44:07 S 08 18 52.462 +07 29 22.63 V C57
2021-01-22 21:44:07 s 1 -159798.75 9 +320152.73 7110.0 C57
2021-01-22 21:54:06 S 08 18 52.056 +07 29 30.41 V C57
2021-01-22 21:54:06 s 1 -160039.30 1 +319781.52 6280.0 C57
2021-01-22 22:14:07 S 08 18 51.086 +07 29 40.27 V C57
2021-01-22 22:14:07 s 1 -160518.89 6 +319036.12 2070.0 C57
2021-01-22 22:34:07 S 08 18 49.915 +07 29 46.10 V C57
2021-01-22 22:34:07 s 1 -160996.49 3 +318286.74 4440.0 C57
2021-01-22 22:44:06 S 08 18 49.130 +07 29 49.49 V C57
2021-01-22 22:44:06 s 1 -161234.53 9 +317910.55 9340.0 C57
2021-01-22 23:04:06 S 08 18 48.130 +07 29 51.47 V C57
2021-01-22 23:04:06 s 1 -161709.11 4 +317155.17 6540.0 C57
2021-01-22 23:34:06 S 08 18 46.351 +07 30 05.29 V C57
2021-01-22 23:34:06 s 1 -162417.16 4 +316014.60 810.0 C57
2021-01-22 23:54:06 S 08 18 45.209 +07 30 08.82 V C57
2021-01-22 23:54:06 s 1 -162886.63 5 +315249.21 9270.0 C57
2021-01-23 00:04:07 S 08 18 44.522 +07 30 18.22 V C57
2021-01-23 00:04:07 s 1 -163120.59 6 +314865.00 7170.0 C57
2021-01-23 00:14:06 S 08 18 43.937 +07 30 16.16 V C57
2021-01-23 00:14:06 s 1 -163354.03 8 +314479.80 4180.0 C57
2021-01-23 00:34:06 S 08 18 42.960 +07 30 19.48 V C57
2021-01-23 00:34:06 s 1 -163819.36 1 +313706.37 5530.0 C57
2021-01-23 00:44:06 S 08 18 42.115 +07 30 26.32 V C57
2021-01-23 00:44:06 s 1 -164051.23 7 +313318.15 9860.0 C57
2021-01-23 00:54:06 S 08 18 41.698 +07 30 30.96 V C57
2021-01-23 00:54:06 s 1 -164282.58 8 +312928.92 3290.0 C57
2021-01-23 01:14:07 S 08 18 40.358 +07 30 32.29 V C57
2021-01-23 01:14:07 s 1 -164743.70 5 +312147.43 7430.0 C57
2021-01-23 01:24:06 S 08 18 39.725 +07 30 41.58 V C57
2021-01-23 01:24:06 s 1 -164973.46 7 +311755.18 8140.0 C57
2021-01-23 01:54:07 S 08 18 38.251 +07 30 45.97 V C57
2021-01-23 01:54:07 s 1 -165659.55 0 +310572.34 4760.0 C57
2021-01-23 02:54:06 S 08 18 34.610 +07 31 09.66 V C57
2021-01-23 02:54:06 s 1 -167017.12 6 +308179.31 2980.0 C57
2021-01-23 03:04:07 S 08 18 34.145 +07 31 12.97 V C57
2021-01-23 03:04:07 s 1 -167241.47 6 +307776.92 4400.0 C57
2021-01-23 03:14:06 S 08 18 33.559 +07 31 13.01 V C57
2021-01-23 03:14:06 s 1 -167465.27 3 +307373.51 4870.0 C57
2021-01-23 03:24:07 S 08 18 32.844 +07 31 20.35 V C57
2021-01-23 03:24:07 s 1 -167688.51 7 +306969.08 4390.0 C57
2021-01-23 03:34:06 S 08 18 32.484 +07 31 21.18 V C57
2021-01-23 03:34:06 s 1 -167911.20 6 +306563.63 2960.0 C57
2021-01-23 04:24:06 S 08 18 29.546 +07 31 38.28 V C57
2021-01-23 04:24:06 s 1 -169016.24 7 +304521.07 1380.0 C57
2021-01-23 04:34:07 S 08 18 28.898 +07 31 39.14 V C57
2021-01-23 04:34:07 s 1 -169235.56 1 +304109.49 4160.0 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)