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
2005-06-08 21:30:21 C 17 56 26.86 -02 28 04.4 c A50
2005-06-08 21:31:33 C 17 56 26.80 -02 28 03.7 c A50
2005-06-09 06:37:34 C 17 56 05.61 -02 23 57.5 16.5 c 704
2005-06-09 06:52:09 C 17 56 04.97 -02 23 51.4 16.8 c 704
2005-06-09 07:08:27 C 17 56 04.31 -02 23 44.1 16.6 c 704
2005-06-09 07:44:07 C 17 56 02.84 -02 23 28.9 17.0 c 704
2005-06-20 07:57:06 C 17 43 53.74 -00 38 59.0 r H45
2005-06-20 08:02:44 C 17 43 53.47 -00 38 57.6 r H45
2005-06-20 08:04:40 C 17 43 53.40 -00 38 57.0 r H45
2005-06-20 08:06:21 C 17 43 53.25 -00 38 55.9 r H45
2005-06-24 07:14:05 C 17 38 52.08 -00 09 44.1 15.9 o 644
2005-06-24 08:05:03 C 17 38 49.14 -00 09 30.0 16.0 o 644
2005-06-24 09:14:01 C 17 38 45.18 -00 09 11.0 15.9 o 644
2005-06-26 01:57:40 C 17 36 32.99 +00 01 46.4 r I77
2005-06-26 23:15:53 C 17 35 22.79 +00 06 39.1 r A13
2005-06-26 23:19:33 C 17 35 22.57 +00 06 40.1 r A13
2005-06-26 23:24:51 C 17 35 22.27 +00 06 41.3 r A13
2005-06-28 06:32:24 C 17 33 39.69 +00 13 41.5 15.4 c 704
2005-06-28 06:46:57 C 17 33 38.82 +00 13 44.9 15.6 c 704
2005-06-28 07:01:32 C 17 33 37.95 +00 13 47.9 15.6 c 704
2005-06-28 07:16:07 C 17 33 37.10 +00 13 51.0 15.7 c 704
2005-06-28 07:30:43 C 17 33 36.24 +00 13 53.9 15.9 c 704
2005-07-02 23:45:47 C 17 27 26.74 +00 32 51.6 r 941
2005-07-02 23:48:13 C 17 27 26.61 +00 32 51.8 r 941
2005-07-02 23:49:26 C 17 27 26.54 +00 32 51.9 r 941
2005-07-02 23:50:40 C 17 27 26.48 +00 32 52.0 r 941
2005-07-02 23:51:54 C 17 27 26.40 +00 32 52.3 r 941
2005-07-03 21:17:13 C 17 26 17.15 +00 35 19.2 r 557
2005-07-03 21:46:08 C 17 26 15.50 +00 35 22.3 r 557
2005-07-03 22:34:21 C 17 26 12.76 +00 35 27.6 r 557
2005-07-03 23:09:43 C 17 26 10.76 +00 35 31.2 r 557
2005-07-03 23:38:40 C 17 26 09.12 +00 35 34.3 r 557
2005-07-04 00:14:02 C 17 26 07.12 +00 35 38.0 r 557
2005-07-04 01:18:20 C 17 26 03.53 +00 35 44.7 r 557
2005-07-04 09:03:15 C 17 25 39.85 +00 36 52.6 r E14
2005-07-04 09:53:47 C 17 25 36.98 +00 36 58.2 r E14
2005-07-04 10:49:22 C 17 25 33.84 +00 37 03.5 r E14
2005-07-05 08:38:48 C 17 24 24.36 +00 38 57.9 r E14
2005-07-05 10:45:04 C 17 24 17.30 +00 39 07.6 r E14
2005-07-05 12:56:25 C 17 24 09.87 +00 39 17.5 r E14
2005-07-12 21:03:16 C 17 15 27.17 +00 38 49.8 r 557
2005-07-12 21:32:11 C 17 15 25.78 +00 38 47.6 r 557
2005-07-12 22:01:09 C 17 15 24.38 +00 38 45.3 r 557
2005-07-12 22:23:38 C 17 15 23.30 +00 38 43.6 r 557
2005-07-12 23:02:15 C 17 15 21.45 +00 38 40.6 r 557
2005-07-12 23:31:11 C 17 15 20.07 +00 38 38.4 r 557
2005-07-13 21:00:27 C 17 14 23.34 +00 36 45.8 r 557
2005-07-13 21:29:24 C 17 14 21.98 +00 36 42.9 r 557
2005-07-13 22:04:07 C 17 14 20.36 +00 36 39.6 r 557
2005-07-13 22:45:54 C 17 14 18.42 +00 36 35.6 r 557
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)