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
2016-02-10 10:39:10 C 12 54 31.18 -05 25 55.1 q G96
2016-02-10 10:48:26 C 12 54 31.05 -05 25 54.4 q G96
2016-02-18 13:33:33 C 12 51 49.721 -04 52 45.60 L F51
2016-02-18 13:56:33 C 12 51 49.274 -04 52 40.86 L F51
2016-02-18 14:20:11 C 12 51 48.831 -04 52 36.15 L F51
2016-02-18 14:42:41 C 12 51 48.407 -04 52 31.65 L F51
2016-03-07 07:11:33 C 12 40 33.01 -03 02 09.7 q 703
2016-03-07 07:19:36 C 12 40 32.76 -03 02 08.3 q 703
2016-03-07 07:27:36 C 12 40 32.47 -03 02 05.5 q 703
2016-03-07 07:35:38 C 12 40 32.22 -03 02 03.6 q 703
2016-03-10 06:39:28 C 12 38 01.31 -02 39 11.0 R G45
2016-03-10 06:45:55 C 12 38 01.10 -02 39 08.6 R G45
2016-03-10 06:52:37 C 12 38 00.86 -02 39 06.7 R G45
2016-03-10 07:05:51 C 12 38 00.33 -02 39 02.8 R G45
2016-03-10 07:12:16 C 12 38 00.08 -02 39 00.2 R G45
2016-03-10 09:57:37 C 12 37 54.108 -02 38 05.04 L F51
2016-03-10 10:32:54 C 12 37 52.782 -02 37 53.39 L F51
2016-03-10 10:50:30 C 12 37 52.119 -02 37 47.59 L F51
2016-03-11 11:20:06 C 12 36 57.892 -02 29 40.07 L F51
2016-03-11 11:39:01 C 12 36 57.173 -02 29 33.76 L F51
2016-03-11 12:16:53 C 12 36 55.711 -02 29 21.12 L F51
2016-03-13 10:23:40 C 12 35 11.246 -02 13 45.55 L F51
2016-03-13 10:45:21 C 12 35 10.391 -02 13 38.16 L F51
2016-03-13 11:07:01 C 12 35 09.534 -02 13 30.82 L F51
2016-03-13 11:28:43 C 12 35 08.673 -02 13 23.42 L F51
2016-03-16 06:39:23 C 12 32 31.08 -01 50 07.0 R G45
2016-03-16 06:39:44 C 12 32 31.10 -01 50 06.8 R G45
2016-03-16 06:46:07 C 12 32 30.83 -01 50 04.5 R G45
2016-03-16 06:51:47 C 12 32 30.58 -01 50 02.2 R G45
2016-03-16 06:53:07 C 12 32 30.52 -01 50 02.1 R G45
2016-03-16 06:58:39 C 12 32 30.31 -01 50 00.0 R G45
2016-03-16 06:59:40 C 12 32 30.27 -01 50 00.3 R G45
2016-03-16 07:06:04 C 12 32 29.99 -01 49 57.8 R G45
2016-03-18 09:10:04 C 12 30 28.98 -01 32 14.0 q 703
2016-03-18 09:22:22 C 12 30 28.41 -01 32 08.7 q 703
2016-03-19 06:39:58 C 12 29 36.37 -01 24 32.8 R G45
2016-03-19 06:46:37 C 12 29 36.10 -01 24 30.4 R G45
2016-03-19 06:53:02 C 12 29 35.85 -01 24 28.2 R G45
2016-03-19 06:59:25 C 12 29 35.57 -01 24 26.1 R G45
2016-03-19 07:06:07 C 12 29 35.29 -01 24 23.6 R G45
2016-03-27 05:36:13 C 12 21 35.66 -00 15 10.5 q 703
2016-03-27 06:02:49 C 12 21 34.56 -00 15 01.1 q 703
2016-03-31 04:48:24 C 12 17 33.19 +00 19 22.2 R G45
2016-03-31 04:55:28 C 12 17 32.86 +00 19 24.5 R G45
2016-03-31 05:02:48 C 12 17 32.57 +00 19 27.2 R G45
2016-03-31 05:10:01 C 12 17 32.27 +00 19 29.4 R G45
2016-03-31 08:55:25 C 12 17 22.49 +00 20 50.7 R G45
2016-03-31 09:04:12 C 12 17 22.11 +00 20 54.4 R G45
2016-03-31 09:11:39 C 12 17 21.77 +00 20 55.7 R G45
2016-03-31 09:19:29 C 12 17 21.45 +00 20 59.3 R G45
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)