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
1996-05-14 15:31:30 C 14 49 36.65 -04 08 33.6 z 360
1996-05-14 15:38:30 C 14 49 36.25 -04 08 31.2 z 360
1996-05-14 15:45:59 C 14 49 35.86 -04 08 28.8 z 360
1996-05-16 09:25:10 c 14 47 25.73 -03 54 17.8 i 691
1996-05-16 09:32:59 c 14 47 25.31 -03 54 14.7 i 691
1996-05-16 09:41:15 c 14 47 24.88 -03 54 11.9 i 691
1996-05-21 23:33:39 C 14 40 37.12 -03 12 11.9 599
1996-05-21 23:41:45 C 14 40 36.78 -03 12 10.5 599
1996-05-21 23:50:21 C 14 40 36.32 -03 12 06.8 599
1996-05-22 09:33:27 C 14 40 07.79 -03 09 18.0 c 566
1996-05-22 10:02:20 C 14 40 06.34 -03 09 09.1 c 566
1996-05-22 10:33:51 C 14 40 04.73 -03 08 59.7 c 566
1996-05-22 21:02:12 C 14 39 34.15 -03 06 03.0 z 557
1996-05-22 21:06:57 C 14 39 33.92 -03 06 02.1 z 557
1996-05-22 21:11:38 C 14 39 33.69 -03 06 00.5 z 557
1996-05-22 23:01:02 C 14 39 28.18 -03 05 28.5 599
1996-05-22 23:23:29 C 14 39 27.08 -03 05 22.3 599
1996-05-22 23:25:55 C 14 39 26.89 -03 05 22.1 z 118
1996-05-22 23:30:18 C 14 39 26.70 -03 05 20.9 z 118
1996-05-22 23:35:34 C 14 39 26.42 -03 05 19.6 z 118
1996-05-23 22:21:59 C 14 38 20.37 -02 58 59.2 599
1996-05-23 22:48:50 C 14 38 19.12 -02 58 52.1 599
1996-05-24 05:18:15 c 14 38 00.54 -02 57 04.6 i 691
1996-05-24 05:24:03 c 14 38 00.25 -02 57 03.1 i 691
1996-05-24 05:29:27 c 14 37 59.96 -02 57 01.1 i 691
1996-05-26 04:34:21 C 14 35 46.96 -02 44 42.1 z 696
1996-05-26 05:28:20 C 14 35 44.32 -02 44 28.6 z 696
1996-05-26 08:09:34 C 14 35 36.55 -02 43 48.0 z 696
1996-05-27 04:34:34 C 14 34 40.77 -02 38 46.5 z 696
1996-05-27 05:46:03 C 14 34 37.41 -02 38 29.0 z 696
1996-05-27 06:31:47 C 14 34 35.33 -02 38 19.6 z 658
1996-05-27 06:36:12 C 14 34 35.13 -02 38 18.7 z 658
1996-05-27 06:43:32 C 14 34 34.77 -02 38 16.7 z 658
1996-05-27 07:41:28 C 14 34 31.98 -02 38 01.3 z 696
1996-05-27 15:59:55 C 14 34 09.31 -02 35 54.7 413
1996-05-27 16:07:20 C 14 34 08.97 -02 35 53.0 413
1996-05-28 14:12:33 C 14 33 09.97 -02 30 44.6 413
1996-05-28 14:22:40 C 14 33 09.52 -02 30 42.2 413
1996-06-06 12:56:59 C 14 24 42.25 -01 51 56.8 z 360
1996-06-06 13:23:30 C 14 24 41.27 -01 51 53.3 z 360
1996-06-06 20:51:02 C 14 24 26.13 -01 50 56.9 z 557
1996-06-06 20:56:59 C 14 24 25.93 -01 50 55.4 z 557
1996-06-06 21:01:36 C 14 24 25.77 -01 50 54.5 z 557
1996-06-06 21:05:54 C 14 24 25.60 -01 50 54.5 z 557
1996-06-07 06:15:32 C 14 24 07.23 -01 49 44.7 z 658
1996-06-07 06:19:47 C 14 24 07.08 -01 49 44.3 z 658
1996-06-07 06:23:53 C 14 24 06.92 -01 49 43.8 z 658
1996-06-07 12:02:21 C 14 23 55.73 -01 48 53.0 413
1996-06-07 12:14:56 C 14 23 55.30 -01 48 51.5 413
1996-06-07 20:41:21 C 14 23 38.80 -01 47 58.9 z 595
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)