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
2006-01-25 02:57:04 C 02 35 53.84 +03 26 55.0 o 644
2006-01-25 03:25:22 C 02 35 56.74 +03 27 14.7 o 644
2006-01-25 03:27:30 C 02 35 56.96 +03 27 16.2 o 644
2006-02-03 02:46:37 C 02 57 56.88 +05 48 53.2 r 703
2006-02-03 02:55:48 C 02 57 57.74 +05 48 58.7 r 703
2006-02-03 03:04:58 C 02 57 58.64 +05 49 04.2 r 703
2006-02-03 03:14:07 C 02 57 59.54 +05 49 09.5 r 703
2006-02-23 02:34:28 C 03 44 40.61 +10 13 38.5 18.6 c 704
2006-02-23 02:49:00 C 03 44 41.95 +10 13 45.6 19.2 c 704
2006-02-23 02:51:31 C 03 44 42.15 +10 13 46.2 18.8 c 704
2006-02-23 03:06:46 C 03 44 43.68 +10 13 54.4 18.8 c 704
2006-02-23 03:08:41 C 03 44 43.79 +10 13 54.4 18.7 c 704
2006-02-23 03:24:39 C 03 44 45.28 +10 14 02.5 18.7 c 704
2006-02-23 03:25:51 C 03 44 45.47 +10 14 02.5 18.9 c 704
2006-02-23 03:42:33 C 03 44 46.99 +10 14 11.3 18.6 c 704
2006-02-23 03:43:00 C 03 44 47.02 +10 14 10.4 19.0 c 704
2006-02-26 03:14:17 C 03 51 33.23 +10 47 44.8 o 699
2006-02-26 03:27:27 C 03 51 34.44 +10 47 50.7 o 699
2006-02-26 03:40:34 C 03 51 35.69 +10 47 57.4 o 699
2006-02-26 03:53:42 C 03 51 36.85 +10 48 02.4 o 699
2006-03-30 02:55:16 C 05 02 07.69 +15 17 32.0 18.8 c 704
2006-03-30 03:10:26 C 05 02 08.95 +15 17 35.0 20.0 c 704
2006-03-30 03:56:51 C 05 02 13.15 +15 17 45.5 19.2 c 704
2007-02-19 00:32:34 C 11 49 22.13 -00 47 54.6 c A50
2007-02-19 00:58:57 C 11 49 21.23 -00 47 47.1 c A50
2007-02-23 07:38:46 C 11 45 47.62 -00 17 38.1 r G96
2007-02-23 07:48:20 C 11 45 47.26 -00 17 35.0 r G96
2007-02-23 07:56:53 C 11 45 46.97 -00 17 31.7 19.2 c 704
2007-02-23 07:57:50 C 11 45 46.90 -00 17 32.1 r G96
2007-02-23 08:07:22 C 11 45 46.54 -00 17 29.1 r G96
2007-02-23 08:14:39 C 11 45 46.33 -00 17 25.8 19.7 c 704
2007-02-23 08:28:44 C 11 45 45.77 -00 17 22.7 o 691
2007-02-23 08:48:07 C 11 45 44.97 -00 17 17.9 19.3 c 704
2007-02-23 08:54:06 C 11 45 44.80 -00 17 14.8 o 691
2007-02-23 09:04:50 C 11 45 44.48 -00 17 12.8 19.4 c 704
2007-02-23 09:15:56 C 11 45 43.99 -00 17 08.2 o 691
2007-02-25 08:00:43 C 11 44 00.64 -00 02 37.1 o 704
2007-02-25 08:17:18 C 11 43 59.96 -00 02 31.3 o 704
2007-02-25 08:33:54 C 11 43 59.21 -00 02 25.5 o 704
2007-02-25 08:50:30 C 11 43 58.58 -00 02 21.5 o 704
2007-02-27 07:59:56 C 11 42 11.10 +00 12 45.8 o 691
2007-02-27 08:25:20 C 11 42 10.09 +00 12 54.2 o 691
2007-02-27 08:47:11 C 11 42 09.20 +00 13 01.3 o 691
2007-03-09 05:03:01 C 11 32 33.26 +01 33 47.7 o 691
2007-03-09 05:28:26 C 11 32 32.16 +01 33 56.8 o 691
2007-03-09 05:53:51 C 11 32 31.07 +01 34 05.8 o 691
2007-03-09 06:28:40 C 11 32 29.61 +01 34 16.5 r 703
2007-03-09 06:40:20 C 11 32 29.04 +01 34 21.9 r 703
2007-03-09 06:52:03 C 11 32 28.53 +01 34 27.2 r 703
2007-03-09 07:03:45 C 11 32 28.03 +01 34 30.3 r 703
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)