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
2021-02-06 01:24:06 s 1 -183111.87 1 +261278.67 5690.0 C57
2021-02-06 01:54:06 S 08 01 34.781 +09 23 29.65 V C57
2021-02-06 01:54:06 s 1 -183591.32 4 +259752.02 2460.0 C57
2021-02-06 02:44:06 S 08 01 32.491 +09 23 51.94 V C57
2021-02-06 02:44:06 s 1 -184374.30 0 +257185.01 5410.0 C57
2021-02-06 03:24:06 S 08 01 30.854 +09 24 02.23 V C57
2021-02-06 03:24:06 s 1 -184985.95 4 +255111.00 5830.0 C57
2021-02-06 04:44:06 S 08 01 27.024 +09 24 29.12 V C57
2021-02-06 04:44:06 s 1 -186169.10 9 +250908.21 5870.0 C57
2021-02-06 05:24:06 S 08 01 25.195 +09 24 37.73 V C57
2021-02-06 05:24:06 s 1 -186740.18 3 +248779.27 4670.0 C57
2021-02-06 05:33:11 C 08 01 26.99 +09 24 26.4 V G96
2021-02-06 05:40:36 C 08 01 26.66 +09 24 28.9 V G96
2021-02-06 05:48:02 C 08 01 26.31 +09 24 31.3 V G96
2021-02-06 05:54:06 S 08 01 23.570 +09 24 52.85 V C57
2021-02-06 05:54:06 s 1 -187159.33 9 +247170.46 5090.0 C57
2021-02-06 05:55:26 C 08 01 25.97 +09 24 33.9 V G96
2021-02-06 07:04:06 S 08 01 20.316 +09 25 13.55 V C57
2021-02-06 07:04:06 s 1 -188106.29 3 +243375.98 7680.0 C57
2021-02-06 07:24:06 S 08 01 19.481 +09 25 27.30 V C57
2021-02-06 07:24:06 s 1 -188368.73 1 +242281.36 1160.0 C57
2021-02-06 07:25:01 C 08 01 22.159 +09 25 05.48 U F52
2021-02-06 07:40:44 C 08 01 21.442 +09 25 10.80 U F52
2021-02-06 07:56:29 C 08 01 20.722 +09 25 16.16 U F52
2021-02-06 08:12:15 C 08 01 19.992 +09 25 21.50 U F52
2021-02-06 08:34:06 S 08 01 16.493 +09 25 41.74 V C57
2021-02-06 08:34:06 s 1 -189258.21 8 +238413.28 1750.0 C57
2021-02-06 08:44:06 S 08 01 15.857 +09 25 52.68 V C57
2021-02-06 08:44:06 s 1 -189381.54 8 +237855.99 9470.0 C57
2021-02-06 09:34:06 S 08 01 12.934 +09 26 01.86 V C57
2021-02-06 09:34:06 s 1 -189983.92 7 +235051.83 2680.0 C57
2021-02-06 13:14:06 S 08 01 02.741 +09 27 17.57 V C57
2021-02-06 13:14:06 s 1 -192340.43 4 +222358.68 6150.0 C57
2021-02-06 17:04:06 S 08 00 51.970 +09 28 34.32 V C57
2021-02-06 17:04:06 s 1 -194253.67 4 +208458.07 1550.0 C57
2021-02-06 21:04:06 S 08 00 41.210 +09 29 51.72 V C57
2021-02-06 21:04:06 s 1 -195585.64 2 +193246.64 4040.0 C57
2021-02-06 21:14:06 S 08 00 40.978 +09 29 54.38 V C57
2021-02-06 21:14:06 s 1 -195625.29 8 +192596.87 1270.0 C57
2021-02-06 21:34:06 S 08 00 39.607 +09 29 58.52 V C57
2021-02-06 21:34:06 s 1 -195700.64 3 +191293.45 8540.0 C57
2021-02-06 22:24:06 S 08 00 37.598 +09 30 13.90 V C57
2021-02-06 22:24:06 s 1 -195865.57 2 +188012.22 4130.0 C57
2021-02-06 22:44:06 S 08 00 36.502 +09 30 26.17 V C57
2021-02-06 22:44:06 s 1 -195922.03 3 +186690.64 7070.0 C57
2021-02-06 22:54:06 S 08 00 36.194 +09 30 24.66 V C57
2021-02-06 22:54:06 s 1 -195948.19 8 +186027.88 9780.0 C57
2021-02-06 23:14:06 S 08 00 35.119 +09 30 28.19 V C57
2021-02-06 23:14:06 s 1 -195996.36 6 +184698.46 7630.0 C57
2021-02-07 01:24:06 S 08 00 29.400 +09 31 20.57 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)