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
2016-03-31 09:27:12 C 12 17 21.11 +00 21 02.4 R G45
2016-03-31 09:28:01 C 12 17 21.11 +00 21 02.6 R G45
2016-04-02 08:51:50 C 12 15 21.552 +00 38 01.80 L F51
2016-04-02 09:08:35 C 12 15 20.826 +00 38 07.74 L F51
2016-04-02 09:25:26 C 12 15 20.099 +00 38 13.81 L F51
2016-04-02 09:42:15 C 12 15 19.375 +00 38 19.77 L F51
2016-04-03 04:40:27 C 12 14 31.91 +00 45 02.1 R G45
2016-04-03 04:47:54 C 12 14 31.57 +00 45 05.2 R G45
2016-04-03 04:55:14 C 12 14 31.28 +00 45 08.0 R G45
2016-04-03 05:02:30 C 12 14 30.93 +00 45 09.7 R G45
2016-04-03 05:02:36 C 12 14 30.97 +00 45 10.4 R G45
2016-04-03 05:10:06 C 12 14 30.63 +00 45 12.8 R G45
2016-04-05 05:46:56 C 12 12 29.81 +01 02 15.9 N I41
2016-04-05 06:39:32 C 12 12 27.61 +01 02 34.3 N I41
2016-04-05 07:32:45 C 12 12 25.36 +01 02 52.8 N I41
2016-04-06 05:47:52 C 12 11 30.86 +01 10 34.1 N I41
2016-04-06 06:40:17 C 12 11 28.65 +01 10 52.4 N I41
2016-04-06 07:33:29 C 12 11 26.41 +01 11 10.4 N I41
2016-04-17 02:41:17 C 12 01 37.11 +02 33 51.2 t W55
2016-04-17 03:12:32 C 12 01 36.08 +02 34 01.2 t W55
2016-04-25 05:31:09 C 11 55 32.37 +03 25 11.5 q 703
2016-04-25 05:51:25 C 11 55 31.85 +03 25 14.0 q 703
2016-04-25 06:01:34 C 11 55 31.54 +03 25 17.4 q 703
2016-05-05 05:01:20 C 11 50 02.06 +04 12 37.3 q 703
2016-05-05 05:20:59 C 11 50 01.65 +04 12 41.5 q G96
2016-05-05 05:27:16 C 11 50 01.54 +04 12 41.0 q 703
2016-05-05 05:27:31 C 11 50 01.61 +04 12 43.2 q G96
2016-05-05 05:34:01 C 11 50 01.47 +04 12 44.5 q G96
2016-05-05 05:40:38 C 11 50 01.32 +04 12 45.5 q G96
2017-06-26 04:08:41 C 02 33 31.98 +15 25 37.2 o K95
2017-06-26 04:18:26 C 02 33 33.63 +15 25 39.8 o K95
2017-07-07 02:41:34 C 03 16 39.96 +17 10 10.9 q 160
2017-07-07 02:44:33 C 03 16 40.42 +17 10 11.8 q 160
2017-07-07 02:47:31 C 03 16 40.90 +17 10 12.7 q 160
2017-09-24 11:21:52 C 07 21 12.97 +13 48 21.6 q 703
2017-09-24 11:26:49 C 07 21 13.39 +13 48 19.9 q 703
2017-09-24 11:31:47 C 07 21 13.78 +13 48 18.0 q 703
2017-09-24 11:36:45 C 07 21 14.24 +13 48 16.7 q 703
2017-09-26 11:04:10 C 07 25 15.76 +13 31 05.4 q G96
2017-09-26 11:12:56 C 07 25 16.48 +13 31 02.2 q G96
2017-09-26 11:21:42 C 07 25 17.21 +13 30 59.0 q G96
2017-09-26 11:30:29 C 07 25 17.93 +13 30 55.9 q G96
2017-09-28 03:55:35 C 07 28 38.22 +13 16 09.7 q 160
2017-09-28 03:58:32 C 07 28 38.46 +13 16 08.7 q 160
2017-09-28 04:01:29 C 07 28 38.70 +13 16 07.3 q 160
2017-10-07 03:03:55 C 07 45 02.40 +11 56 29.8 q 160
2017-10-07 03:06:53 C 07 45 02.62 +11 56 28.9 q 160
2017-10-07 03:09:50 C 07 45 02.85 +11 56 26.9 q 160
2017-10-09 02:38:47 C 07 48 21.09 +11 38 47.5 q 160
2017-10-09 02:41:48 C 07 48 21.30 +11 38 46.6 q 160
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)