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
2005-08-20 19:44:50 C 17 12 07.40 -05 50 01.7 r 084
2005-08-22 04:29:56 C 17 13 41.28 -06 12 14.1 15.8 o 644
2005-08-22 05:03:46 C 17 13 42.80 -06 12 37.0 15.9 o 644
2005-08-22 05:33:44 C 17 13 44.18 -06 12 57.5 15.9 o 644
2005-08-22 06:57:24 C 17 13 48.66 -06 13 50.8 16.2 c 608
2005-08-22 07:13:25 C 17 13 49.37 -06 14 01.7 16.2 c 608
2005-08-22 07:29:23 C 17 13 50.10 -06 14 12.6 16.1 c 608
2005-08-23 19:18:10 C 17 15 41.84 -06 39 12.6 r 084
2005-08-23 19:21:18 C 17 15 42.02 -06 39 14.9 r 084
2005-08-29 19:46:34 C 17 24 40.51 -08 23 29.5 r A30
2005-08-29 19:49:23 C 17 24 40.70 -08 23 31.6 r A30
2005-08-29 19:51:28 C 17 24 40.84 -08 23 33.2 r A30
2005-08-29 19:54:17 C 17 24 41.03 -08 23 35.3 r A30
2005-08-30 19:12:00 C 17 26 21.48 -08 40 56.9 c 434
2005-08-30 19:15:17 C 17 26 21.73 -08 40 58.6 c 434
2005-08-30 19:18:45 C 17 26 21.91 -08 41 01.5 c 434
2005-08-30 19:20:41 C 17 26 22.08 -08 41 03.3 c 434
2005-09-01 03:05:49 C 17 28 44.85 -09 04 53.4 16.1 c 704
2005-09-01 03:21:53 C 17 28 46.01 -09 05 04.9 16.5 c 704
2005-09-01 03:37:58 C 17 28 47.21 -09 05 17.4 16.7 c 704
2005-09-01 03:54:05 C 17 28 48.36 -09 05 29.6 16.2 c 704
2005-09-01 04:10:19 C 17 28 49.52 -09 05 41.9 16.1 c 704
2005-09-01 19:00:11 C 17 29 59.00 -09 17 00.0 r 084
2005-09-01 19:03:19 C 17 29 59.25 -09 17 02.2 r 084
2005-09-03 19:12:31 C 17 33 54.61 -09 53 48.5 r 084
2005-09-03 19:15:39 C 17 33 54.85 -09 53 50.7 r 084
2005-09-06 18:38:38 C 17 40 14.03 -10 49 03.6 r 084
2005-09-06 18:41:46 C 17 40 14.32 -10 49 06.2 r 084
2005-09-08 10:01:54 C 17 43 58.88 -11 19 44.2 r 379
2005-09-08 10:03:31 C 17 43 59.02 -11 19 45.5 r 379
2005-09-08 10:08:23 C 17 43 59.46 -11 19 49.3 r 379
2005-09-08 10:10:00 C 17 43 59.64 -11 19 50.6 r 379
2005-09-09 18:39:12 C 17 47 13.18 -11 45 21.5 r 084
2005-09-09 18:42:20 C 17 47 13.48 -11 45 24.2 r 084
2005-09-13 18:14:36 C 17 57 27.07 -13 00 30.6 r 084
2005-09-13 18:17:44 C 17 57 27.47 -13 00 33.9 r 084
2005-09-19 17:25:41 C 18 14 49.69 -14 52 22.2 r 084
2005-09-19 17:27:07 C 18 14 49.87 -14 52 23.2 r 084
2005-09-21 12:00:58 C 18 20 27.70 -15 24 39.6 r E19
2005-09-21 12:07:16 C 18 20 28.53 -15 24 45.1 r E19
2005-09-21 12:13:33 C 18 20 29.38 -15 24 49.7 r E19
2005-09-22 12:27:58 C 18 23 48.07 -15 43 16.7 r E19
2005-09-22 12:31:30 C 18 23 48.59 -15 43 19.5 r E19
2005-09-22 12:38:31 C 18 23 49.47 -15 43 25.4 r E19
2005-09-27 02:24:17 C 18 39 44.15 -17 05 14.0 16.1 c 704
2005-09-27 02:39:59 C 18 39 46.52 -17 05 24.8 16.1 c 704
2005-09-27 02:55:46 C 18 39 48.75 -17 05 33.6 18.0 c 704
2005-09-27 03:27:03 C 18 39 53.49 -17 05 58.0 16.0 c 704
2005-10-28 02:15:59 C 21 01 21.03 -22 14 15.2 r 703
2005-10-28 02:16:47 C 21 01 21.21 -22 14 15.4 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)