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
2021-01-21 02:34:07 s 1 -84849.777 0 +384240.73 4310.0 C57
2021-01-21 02:44:07 S 08 21 21.890 +07 16 08.94 V C57
2021-01-21 02:44:07 s 1 -85174.808 0 +384112.27 6290.0 C57
2021-01-21 02:54:07 S 08 21 21.686 +07 16 11.14 V C57
2021-01-21 02:54:07 s 1 -85499.646 0 +383982.90 7940.0 C57
2021-01-21 03:04:07 S 08 21 21.019 +07 16 10.56 V C57
2021-01-21 03:04:07 s 1 -85824.292 0 +383852.62 9280.0 C57
2021-01-21 03:34:07 S 08 21 19.109 +07 16 22.62 V C57
2021-01-21 03:34:07 s 1 -86797.061 0 +383456.37 1360.0 C57
2021-01-21 03:44:07 S 08 21 18.446 +07 16 25.50 V C57
2021-01-21 03:44:07 s 1 -87120.925 0 +383322.47 1410.0 C57
2021-01-21 04:04:07 S 08 21 17.134 +07 16 36.44 V C57
2021-01-21 04:04:07 s 1 -87768.060 0 +383051.96 520.0 C57
2021-01-21 04:24:07 S 08 21 16.330 +07 16 43.03 V C57
2021-01-21 04:24:07 s 1 -88414.399 0 +382777.83 8320.0 C57
2021-01-21 04:44:07 S 08 21 15.156 +07 16 44.29 V C57
2021-01-21 04:44:07 s 1 -89059.934 0 +382500.07 4790.0 C57
2021-01-21 04:54:07 S 08 21 14.575 +07 16 53.26 V C57
2021-01-21 04:54:07 s 1 -89382.398 0 +382359.84 2520.0 C57
2021-01-21 05:34:07 S 08 21 11.890 +07 17 01.36 V C57
2021-01-21 05:34:07 s 1 -90670.210 0 +381789.83 60.0 C57
2021-01-21 05:44:07 S 08 21 11.815 +07 17 06.18 V C57
2021-01-21 05:44:07 s 1 -90991.647 0 +381645.06 6090.0 C57
2021-01-21 06:34:07 S 08 21 08.945 +07 17 17.95 V C57
2021-01-21 06:34:07 s 1 -92595.696 0 +380907.61 1050.0 C57
2021-01-21 06:44:07 S 08 21 08.047 +07 17 23.64 V C57
2021-01-21 06:44:07 s 1 -92915.872 0 +380757.40 4990.0 C57
2021-01-21 07:04:07 S 08 21 07.147 +07 17 29.80 V C57
2021-01-21 07:04:07 s 1 -93555.584 0 +380454.26 1810.0 C57
2021-01-21 08:04:07 S 08 21 03.708 +07 17 45.92 V C57
2021-01-21 08:04:07 s 1 -95469.525 0 +379523.05 3640.0 C57
2021-01-21 08:14:07 S 08 21 03.072 +07 17 51.11 V C57
2021-01-21 08:14:07 s 1 -95787.749 0 +379364.66 4340.0 C57
2021-01-21 08:34:07 S 08 21 01.774 +07 17 54.67 V C57
2021-01-21 08:34:07 s 1 -96423.531 0 +379045.18 4630.0 C57
2021-01-21 11:06:01 C 08 20 43.529 +07 18 11.59 U F52
2021-01-21 11:34:07 S 08 20 51.314 +07 18 50.04 V C57
2021-01-21 11:34:07 s 1 -102104.49 4 +376006.10 8860.0 C57
2021-01-21 11:41:06 C 08 20 41.526 +07 18 22.59 U F52
2021-01-21 11:56:59 C 08 20 40.63 +07 18 27.6 V T05
2021-01-21 11:58:40 C 08 20 40.523 +07 18 28.11 U F52
2021-01-21 12:06:40 C 08 20 40.05 +07 18 30.4 V T05
2021-01-21 12:16:22 C 08 20 39.48 +07 18 33.7 V T05
2021-01-21 13:06:31 C 08 20 36.59 +07 18 49.3 V T05
2021-01-21 13:24:07 S 08 20 45.024 +07 19 25.36 V C57
2021-01-21 13:24:07 s 1 -105538.26 1 +374003.57 5380.0 C57
2021-01-21 13:54:07 S 08 20 43.130 +07 19 33.71 V C57
2021-01-21 13:54:07 s 1 -106469.53 7 +373438.25 8460.0 C57
2021-01-21 14:14:07 S 08 20 41.971 +07 19 42.10 V C57
2021-01-21 14:14:07 s 1 -107089.12 2 +373056.80 1730.0 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)