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
2007-03-10 14:37:09 C 11 31 08.25 +01 45 42.9 r D29
2007-03-10 15:17:41 C 11 31 06.53 +01 45 58.2 r D29
2007-03-10 15:59:49 C 11 31 04.76 +01 46 12.2 r D29
2007-03-10 16:37:57 C 11 31 03.01 +01 46 26.1 r D29
2007-03-14 07:33:13 C 11 27 22.33 +02 17 32.2 18.9 c 704
2007-03-14 07:48:40 C 11 27 21.53 +02 17 37.9 19.1 c 704
2007-03-14 08:04:08 C 11 27 20.75 +02 17 42.4 19.2 c 704
2007-03-14 08:19:35 C 11 27 20.18 +02 17 46.6 19.5 c 704
2007-03-14 08:36:21 C 11 27 19.47 +02 17 53.7 19.0 c 704
2007-03-16 08:12:25 C 11 25 18.62 +02 34 56.1 r G96
2007-03-16 08:21:28 C 11 25 18.26 +02 34 59.3 r G96
2007-03-16 08:30:33 C 11 25 17.86 +02 35 02.4 r G96
2007-03-16 08:39:37 C 11 25 17.47 +02 35 05.4 r G96
2007-03-17 06:02:45 C 11 24 23.62 +02 42 44.0 o 699
2007-03-17 06:34:17 C 11 24 22.20 +02 42 54.8 o 699
2007-03-17 06:38:52 C 11 24 22.18 +02 42 58.1 19.3 c 704
2007-03-17 06:54:10 C 11 24 21.47 +02 43 02.4 19.4 c 704
2007-03-17 07:05:51 C 11 24 20.91 +02 43 05.6 o 699
2007-03-17 07:09:38 C 11 24 20.73 +02 43 08.7 19.4 c 704
2007-03-17 07:24:51 C 11 24 20.07 +02 43 12.7 19.7 c 704
2007-03-17 07:37:22 C 11 24 19.58 +02 43 17.0 o 699
2007-03-17 07:40:08 C 11 24 19.50 +02 43 20.3 19.6 c 704
2007-03-20 06:45:33 C 11 21 21.56 +03 08 30.9 r G96
2007-03-20 06:55:59 C 11 21 21.13 +03 08 34.6 r G96
2007-03-20 07:06:25 C 11 21 20.70 +03 08 38.5 r G96
2007-03-20 07:16:56 C 11 21 20.23 +03 08 42.0 r G96
2007-03-26 04:45:25 C 11 15 39.16 +03 57 25.9 r G96
2007-03-26 04:55:39 C 11 15 38.80 +03 57 29.3 r G96
2007-03-26 05:06:00 C 11 15 38.37 +03 57 32.7 r G96
2007-03-26 05:16:15 C 11 15 37.98 +03 57 36.2 r G96
2007-04-15 05:14:10 C 11 00 22.64 +06 14 31.2 r G96
2007-04-15 05:26:13 C 11 00 22.39 +06 14 34.6 r G96
2007-04-15 05:38:12 C 11 00 22.06 +06 14 36.5 r G96
2007-04-15 05:50:17 C 11 00 21.78 +06 14 39.1 r G96
2008-05-01 10:18:02 C 19 21 36.84 -08 51 37.6 18.2 c 704
2008-05-01 10:33:07 C 19 21 37.77 -08 51 31.1 17.7 c 704
2008-05-01 10:48:13 C 19 21 38.81 -08 51 24.7 17.8 c 704
2008-05-09 09:28:31 C 19 34 20.87 -07 11 53.3 18.0 c 704
2008-05-09 09:43:07 C 19 34 21.74 -07 11 43.7 18.3 c 704
2008-05-09 09:57:35 C 19 34 22.65 -07 11 36.2 18.0 c 704
2008-05-09 10:11:54 C 19 34 23.51 -07 11 28.7 18.3 c 704
2008-05-09 10:26:17 C 19 34 24.43 -07 11 20.7 18.0 c 704
2008-06-03 07:47:44 C 20 11 34.35 -00 50 00.4 17.1 c 704
2008-06-03 08:02:27 C 20 11 35.18 -00 49 50.0 17.2 c 704
2008-06-03 08:17:09 C 20 11 36.02 -00 49 39.4 17.3 c 704
2008-06-03 08:31:50 C 20 11 36.83 -00 49 28.7 17.0 c 704
2008-06-03 08:46:49 C 20 11 37.71 -00 49 18.0 17.5 c 704
2008-06-05 09:04:44 C 20 14 27.70 -00 13 58.3 16.5 c 704
2008-06-05 09:19:14 C 20 14 28.54 -00 13 47.6 16.5 c 704
2008-06-05 09:33:43 C 20 14 29.31 -00 13 36.7 16.6 c 704
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)