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
1955-05-23 06:08:00 14 26 33.26 -02 40 29.3 261
1955-05-23 06:58:00 14 26 30.88 -02 40 16.8 261
1980-01-20 14:30:09 A 08 09 51.22 +07 29 25.8 413
1980-01-20 16:00:09 A 08 09 46.14 +07 29 55.3 413
1993-04-17 08:36:29 14 40 11.90 -06 35 25.5 19.0 675
1993-04-17 09:20:00 14 40 09.88 -06 35 10.4 675
1996-04-17 10:07:45 C 15 20 10.94 -08 17 16.7 a 691
1996-04-17 10:41:47 C 15 20 09.68 -08 17 04.2 a 691
1996-04-17 11:24:13 C 15 20 08.13 -08 16 48.3 a 691
1996-04-23 08:43:25 c 15 14 40.36 -07 23 14.6 i 691
1996-04-23 09:24:56 c 15 14 38.54 -07 22 58.8 i 691
1996-04-23 10:05:48 c 15 14 36.77 -07 22 42.7 i 691
1996-04-24 08:42:35 c 15 13 39.32 -07 13 56.6 i 691
1996-04-24 08:49:05 c 15 13 39.03 -07 13 54.2 i 691
1996-04-24 08:55:37 c 15 13 38.74 -07 13 51.7 i 691
1996-04-25 07:07:55 c 15 12 41.19 -07 05 12.0 i 691
1996-04-25 07:14:08 c 15 12 40.90 -07 05 09.5 i 691
1996-04-25 15:35:10 C 15 12 18.78 -07 01 56.7 J 381
1996-04-25 15:40:41 C 15 12 18.53 -07 01 54.6 J 381
1996-04-26 16:17:30 C 15 11 12.81 -06 52 14.9 z 360
1996-04-26 16:26:15 C 15 11 12.39 -06 52 11.4 z 360
1996-04-26 16:49:15 C 15 11 11.34 -06 52 02.3 z 360
1996-04-26 21:48:00 C 15 10 57.98 -06 50 07.1 046
1996-04-26 21:51:44 C 15 10 57.83 -06 50 06.4 046
1996-04-26 21:54:44 C 15 10 57.74 -06 50 03.9 046
1996-04-26 21:57:56 C 15 10 57.65 -06 50 02.9 046
1996-04-26 22:03:42 C 15 10 57.41 -06 50 01.1 046
1996-04-26 22:06:46 C 15 10 57.24 -06 49 58.9 046
1996-04-26 22:09:52 C 15 10 57.03 -06 49 58.3 046
1996-04-27 01:14:43 C 15 10 48.47 -06 48 45.8 z 557
1996-04-27 02:18:11 C 15 10 45.50 -06 48 20.3 z 557
1996-04-27 02:22:37 C 15 10 45.32 -06 48 19.1 z 557
1996-04-27 18:02:04 C 15 10 02.36 -06 42 01.8 z 422
1996-04-27 18:06:09 C 15 10 02.19 -06 42 00.4 z 422
1996-04-27 18:13:33 C 15 10 01.84 -06 41 57.6 z 422
1996-05-05 09:20:46 C 15 01 08.50 -05 30 32.0 z 658
1996-05-05 09:28:47 C 15 01 08.09 -05 30 28.6 z 658
1996-05-05 09:35:04 C 15 01 07.69 -05 30 26.4 z 658
1996-05-06 21:40:58 C 14 59 17.46 -05 16 34.8 z 046
1996-05-06 21:43:55 C 14 59 17.27 -05 16 33.7 z 046
1996-05-06 21:47:27 C 14 59 17.09 -05 16 32.3 z 046
1996-05-09 13:30:00 C 14 55 59.42 -04 52 29.7 z 360
1996-05-09 13:36:45 C 14 55 59.04 -04 52 27.2 z 360
1996-05-09 13:43:14 C 14 55 58.69 -04 52 24.8 z 360
1996-05-13 16:12:00 C 14 50 49.69 -04 16 42.1 18.1 z 867
1996-05-13 16:18:10 C 14 50 49.35 -04 16 39.9 z 867
1996-05-13 16:24:41 C 14 50 48.99 -04 16 37.5 z 867
1996-05-14 00:02:23 C 14 50 25.14 -04 13 57.7 z 104
1996-05-14 00:08:59 C 14 50 24.82 -04 13 55.4 z 104
1996-05-14 00:28:22 C 14 50 23.78 -04 13 49.3 z 104
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)