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
2021-02-01 06:34:06 s 1 +22956.298 0 +376826.08 2580.0 C57
2021-02-01 07:34:06 S 08 07 13.111 +08 45 11.92 V C57
2021-02-01 07:34:06 s 1 +20855.491 0 +377764.09 3270.0 C57
2021-02-01 08:04:06 S 08 07 11.714 +08 45 20.27 V C57
2021-02-01 08:04:06 s 1 +19804.340 0 +378219.54 1520.0 C57
2021-02-01 08:34:06 S 08 07 10.510 +08 45 33.34 V C57
2021-02-01 08:34:06 s 1 +18752.726 0 +378665.99 8440.0 C57
2021-02-01 09:54:06 S 08 07 06.245 +08 45 54.79 V C57
2021-02-01 09:54:06 s 1 +15946.359 0 +379812.58 7420.0 C57
2021-02-01 10:24:06 S 08 07 04.606 +08 46 12.29 V C57
2021-02-01 10:24:06 s 1 +14893.273 0 +380226.13 9870.0 C57
2021-02-01 10:30:36 C 08 06 49.81 +08 45 19.4 V T05
2021-02-01 10:34:06 S 08 07 04.198 +08 46 10.31 V C57
2021-02-01 10:34:06 s 1 +14542.167 0 +380362.00 3760.0 C57
2021-02-01 10:35:13 C 08 06 49.59 +08 45 21.0 V T05
2021-02-01 10:44:01 C 08 06 49.13 +08 45 23.9 V T05
2021-02-01 10:44:06 S 08 07 03.518 +08 46 14.59 V C57
2021-02-01 10:44:06 s 1 +14191.024 0 +380496.87 7540.0 C57
2021-02-01 10:59:15 C 08 06 48.37 +08 45 29.2 V T05
2021-02-01 11:14:06 S 08 07 02.477 +08 46 28.60 V C57
2021-02-01 11:14:06 s 1 +13137.385 0 +380895.55 8150.0 C57
2021-02-01 12:14:06 S 08 06 59.472 +08 46 42.82 V C57
2021-02-01 12:14:06 s 1 +11029.237 0 +381666.21 6290.0 C57
2021-02-01 15:34:06 S 08 06 48.953 +08 47 53.45 V C57
2021-02-01 16:04:06 S 08 06 47.280 +08 48 07.06 V C57
2021-02-01 16:14:06 S 08 06 46.877 +08 48 07.09 V C57
2021-02-01 16:34:06 S 08 06 45.766 +08 48 15.48 V C57
2021-02-01 17:54:06 S 08 06 41.750 +08 48 37.73 V C57
2021-02-01 18:04:06 S 08 06 41.311 +08 48 48.74 V C57
2021-02-01 18:14:06 S 08 06 40.872 +08 48 47.52 V C57
2021-02-01 18:24:06 S 08 06 40.598 +08 48 51.55 V C57
2021-02-01 18:34:06 S 08 06 40.015 +08 48 51.95 V C57
2021-02-01 18:54:06 S 08 06 38.854 +08 49 02.57 V C57
2021-02-01 19:04:06 S 08 06 38.297 +08 49 09.23 V C57
2021-02-01 20:14:06 S 08 06 34.831 +08 49 30.61 V C57
2021-02-01 20:24:06 S 08 06 34.428 +08 49 36.34 V C57
2021-02-01 20:34:06 S 08 06 33.706 +08 49 40.33 V C57
2021-02-01 21:14:06 S 08 06 31.450 +08 49 52.03 V C57
2021-02-01 22:14:06 S 08 06 28.966 +08 50 11.26 V C57
2021-02-01 22:14:06 s 1 -10074.091 0 +387440.84 4950.0 C57
2021-02-01 22:34:06 S 08 06 27.816 +08 50 17.56 V C57
2021-02-01 22:34:06 s 1 -10776.967 0 +387573.54 6580.0 C57
2021-02-01 22:44:06 S 08 06 27.458 +08 50 24.94 V C57
2021-02-01 22:44:06 s 1 -11128.363 0 +387638.46 7410.0 C57
2021-02-01 22:54:06 S 08 06 26.369 +08 50 24.04 V C57
2021-02-01 22:54:06 s 1 -11479.731 0 +387702.42 8250.0 C57
2021-02-01 23:04:06 S 08 06 26.359 +08 50 27.89 V C57
2021-02-01 23:04:06 s 1 -11831.070 0 +387765.43 9100.0 C57
2021-02-01 23:24:06 S 08 06 25.217 +08 50 35.02 V C57
2021-02-01 23:24:06 s 1 -12533.655 0 +387888.60 800.0 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)