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
2021-01-19 08:14:07 S 08 23 49.006 +07 03 08.46 V C57
2021-01-19 08:24:07 S 08 23 48.571 +07 03 10.01 V C57
2021-01-19 08:54:07 S 08 23 46.776 +07 03 20.27 V C57
2021-01-19 09:24:07 S 08 23 45.142 +07 03 27.97 V C57
2021-01-19 09:34:07 S 08 23 44.443 +07 03 31.00 V C57
2021-01-19 09:44:07 S 08 23 44.148 +07 03 36.25 V C57
2021-01-19 09:54:07 S 08 23 43.253 +07 03 42.26 V C57
2021-01-19 10:14:07 S 08 23 42.185 +07 03 46.33 V C57
2021-01-19 10:24:07 S 08 23 41.542 +07 03 45.14 V C57
2021-01-19 13:54:07 S 08 23 29.402 +07 04 52.43 V C57
2021-01-19 13:54:07 s 1 -10149.549 0 +390409.96 3380.0 C57
2021-01-19 14:04:07 S 08 23 28.824 +07 04 57.11 V C57
2021-01-19 14:04:07 s 1 -10497.036 0 +390482.76 520.0 C57
2021-01-19 14:14:07 S 08 23 28.214 +07 04 59.66 V C57
2021-01-19 14:14:07 s 1 -10844.510 0 +390554.62 7660.0 C57
2021-01-19 14:24:07 S 08 23 27.946 +07 04 58.62 V C57
2021-01-19 14:24:07 s 1 -11191.968 0 +390625.54 4780.0 C57
2021-01-19 14:34:07 S 08 23 27.214 +07 05 10.46 V C57
2021-01-19 14:34:07 s 1 -11539.411 0 +390695.52 1900.0 C57
2021-01-19 14:44:07 S 08 23 26.765 +07 05 07.87 V C57
2021-01-19 14:44:07 s 1 -11886.837 0 +390764.55 9000.0 C57
2021-01-19 14:54:07 S 08 23 26.172 +07 05 09.31 V C57
2021-01-19 14:54:07 s 1 -12234.246 0 +390832.65 6090.0 C57
2021-01-19 15:04:07 S 08 23 25.366 +07 05 11.33 V C57
2021-01-19 15:04:07 s 1 -12581.637 0 +390899.81 3170.0 C57
2021-01-19 15:34:07 S 08 23 24.120 +07 05 19.75 V C57
2021-01-19 15:34:07 s 1 -13623.692 0 +391095.65 4310.0 C57
2021-01-19 15:54:07 S 08 23 22.582 +07 05 33.58 V C57
2021-01-19 15:54:07 s 1 -14318.290 0 +391221.51 8310.0 C57
2021-01-19 16:04:07 S 08 23 22.106 +07 05 29.00 V C57
2021-01-19 16:04:07 s 1 -14665.554 0 +391283.04 5270.0 C57
2021-01-19 16:14:07 S 08 23 21.691 +07 05 35.59 V C57
2021-01-19 16:14:07 s 1 -15012.795 0 +391343.63 2210.0 C57
2021-01-19 16:24:07 S 08 23 21.120 +07 05 39.73 V C57
2021-01-19 16:24:07 s 1 -15360.011 0 +391403.28 9130.0 C57
2021-01-19 17:04:07 S 08 23 18.456 +07 05 48.12 V C57
2021-01-19 17:04:07 s 1 -16748.610 0 +391632.54 6520.0 C57
2021-01-19 17:14:07 S 08 23 18.026 +07 05 54.78 V C57
2021-01-19 17:14:07 s 1 -17095.690 0 +391687.51 3290.0 C57
2021-01-19 17:24:07 S 08 23 17.534 +07 06 01.87 V C57
2021-01-19 17:24:07 s 1 -17442.740 0 +391741.56 30.0 C57
2021-01-19 17:44:07 S 08 23 16.082 +07 06 04.28 V C57
2021-01-19 17:44:07 s 1 -18136.749 0 +391846.84 3390.0 C57
2021-01-19 18:04:07 S 08 23 15.218 +07 06 09.76 V C57
2021-01-19 18:04:07 s 1 -18830.628 0 +391948.39 6610.0 C57
2021-01-19 18:44:07 S 08 23 13.166 +07 06 20.63 V C57
2021-01-19 18:44:07 s 1 -20217.977 0 +392140.30 2530.0 C57
2021-01-19 19:44:07 S 08 23 09.643 +07 06 38.38 V C57
2021-01-19 19:44:07 s 1 -22297.875 0 +392400.24 10.0 C57
2021-01-19 19:54:07 S 08 23 08.899 +07 06 40.46 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)