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
2021-01-24 08:24:06 S 08 16 52.978 +07 40 27.70 V C57
2021-01-24 08:24:06 s 1 -195990.66 8 +220274.84 2500.0 C57
2021-01-24 08:54:06 S 08 16 51.216 +07 40 36.08 V C57
2021-01-24 08:54:06 s 1 -196248.20 1 +218478.56 6700.0 C57
2021-01-24 09:04:06 S 08 16 50.518 +07 40 42.31 V C57
2021-01-24 09:04:06 s 1 -196331.86 6 +217877.38 4290.0 C57
2021-01-24 09:14:06 S 08 16 50.177 +07 40 44.26 V C57
2021-01-24 09:14:06 s 1 -196414.43 4 +217274.99 9960.0 C57
2021-01-24 09:24:06 S 08 16 49.034 +07 40 44.22 V C57
2021-01-24 09:24:06 s 1 -196495.90 1 +216671.39 3710.0 C57
2021-01-24 09:54:06 S 08 16 47.695 +07 40 56.60 V C57
2021-01-24 09:54:06 s 1 -196733.63 8 +214853.29 3290.0 C57
2021-01-24 10:04:06 S 08 16 47.203 +07 41 00.53 V C57
2021-01-24 10:04:06 s 1 -196810.64 8 +214244.83 9240.0 C57
2021-01-24 10:24:06 S 08 16 46.224 +07 41 06.90 V C57
2021-01-24 10:24:06 s 1 -196961.28 2 +213024.23 5220.0 C57
2021-01-24 10:34:06 S 08 16 45.379 +07 41 11.54 V C57
2021-01-24 10:34:06 s 1 -197034.89 7 +212412.10 5230.0 C57
2021-01-24 10:54:06 S 08 16 44.143 +07 41 13.78 V C57
2021-01-24 10:54:06 s 1 -197178.69 8 +211184.17 9250.0 C57
2021-01-24 11:14:06 S 08 16 43.171 +07 41 21.34 V C57
2021-01-24 11:14:06 s 1 -197317.89 2 +209951.32 5210.0 C57
2021-01-24 11:20:48 C 08 16 45.83 +07 41 19.8 V T05
2021-01-24 11:24:52 C 08 16 45.62 +07 41 21.0 V T05
2021-01-24 11:32:46 C 08 16 45.18 +07 41 23.4 V T05
2021-01-24 11:34:06 S 08 16 41.918 +07 41 23.86 V C57
2021-01-24 11:34:06 s 1 -197452.43 7 +208713.56 3030.0 C57
2021-01-24 11:44:06 S 08 16 41.779 +07 41 30.01 V C57
2021-01-24 11:44:06 s 1 -197517.95 4 +208092.83 8860.0 C57
2021-01-24 11:47:24 C 08 16 44.37 +07 41 28.5 V T05
2021-01-24 11:54:06 S 08 16 40.579 +07 41 31.45 V C57
2021-01-24 11:54:06 s 1 -197582.29 4 +207470.87 2630.0 C57
2021-01-24 12:04:06 S 08 16 40.176 +07 41 37.18 V C57
2021-01-24 12:04:06 s 1 -197645.45 0 +206847.67 4330.0 C57
2021-01-24 12:54:06 S 08 16 37.205 +07 41 54.38 V C57
2021-01-24 12:54:06 s 1 -197943.29 7 +203713.10 1390.0 C57
2021-01-24 13:24:06 S 08 16 35.832 +07 42 03.35 V C57
2021-01-24 13:24:06 s 1 -198107.46 2 +201817.44 2140.0 C57
2021-01-24 13:44:06 S 08 16 34.613 +07 42 09.40 V C57
2021-01-24 13:44:06 s 1 -198210.75 3 +200547.43 5180.0 C57
2021-01-24 13:54:06 S 08 16 34.030 +07 42 14.33 V C57
2021-01-24 13:54:06 s 1 -198260.53 5 +199910.54 3430.0 C57
2021-01-24 14:04:06 S 08 16 33.598 +07 42 15.16 V C57
2021-01-24 14:04:06 s 1 -198309.06 8 +199272.41 9490.0 C57
2021-01-24 14:24:06 S 08 16 32.129 +07 42 20.66 V C57
2021-01-24 14:24:06 s 1 -198402.36 3 +197992.37 4990.0 C57
2021-01-24 14:34:06 S 08 16 31.562 +07 42 23.76 V C57
2021-01-24 14:34:06 s 1 -198447.11 3 +197350.47 4410.0 C57
2021-01-24 14:54:06 S 08 16 30.564 +07 42 30.60 V C57
2021-01-24 14:54:06 s 1 -198532.78 7 +196062.88 6540.0 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)