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
2009-12-26 12:38:13 C 12 13 23.38 -03 32 54.3 o 691
2009-12-26 13:05:04 C 12 13 23.94 -03 32 57.2 o 691
2009-12-27 10:58:35 C 12 13 51.91 -03 35 15.9 o 691
2009-12-27 11:25:22 C 12 13 52.48 -03 35 18.4 o 691
2009-12-27 11:52:11 C 12 13 52.98 -03 35 20.6 o 691
2010-02-06 10:46:27 C 12 16 59.26 -03 12 05.7 r G96
2010-02-06 10:52:31 C 12 16 59.16 -03 12 04.5 r G96
2010-02-06 10:58:38 C 12 16 59.05 -03 12 04.0 r G96
2010-02-06 11:04:49 C 12 16 58.94 -03 12 02.4 r G96
2010-02-09 10:40:00 C 12 15 40.45 -02 59 14.2 o 691
2010-02-09 11:05:21 C 12 15 39.90 -02 59 08.6 o 691
2010-02-09 11:30:42 C 12 15 39.39 -02 59 03.7 o 691
2010-02-13 10:22:43 C 12 13 35.49 -02 39 35.1 o 691
2010-02-13 10:48:04 C 12 13 34.80 -02 39 29.7 o 691
2010-02-13 11:13:24 C 12 13 34.18 -02 39 24.0 o 691
2010-02-17 08:22:49 C 12 11 11.22 -02 17 36.3 20.4 c 704
2010-02-17 08:40:19 C 12 11 10.67 -02 17 32.0 20.6 c 704
2010-02-17 08:57:51 C 12 11 10.15 -02 17 27.8 20.4 c 704
2010-02-17 09:15:21 C 12 11 09.66 -02 17 22.9 20.3 c 704
2010-02-17 10:29:56 C 12 11 07.50 -02 17 05.0 o 691
2010-02-17 10:55:19 C 12 11 06.79 -02 16 59.3 o 691
2010-02-17 11:20:42 C 12 11 06.04 -02 16 52.1 o 691
2010-02-20 11:39:48 C 12 09 00.849 -01 58 10.16 L F51
2010-02-20 11:52:27 C 12 09 00.443 -01 58 06.94 L F51
2010-03-12 07:10:00 C 11 51 27.46 +00 33 46.2 r 703
2010-03-12 07:21:00 C 11 51 26.96 +00 33 50.1 r 703
2010-03-12 07:31:59 C 11 51 26.53 +00 33 54.0 r 703
2010-03-12 07:42:59 C 11 51 26.10 +00 33 58.5 r 703
2010-03-15 04:53:08 C 11 48 32.43 +00 58 42.5 o 691
2010-03-15 05:18:32 C 11 48 31.34 +00 58 51.2 o 691
2010-03-15 05:48:54 C 11 48 30.07 +00 59 03.1 o 691
2010-03-16 23:22:24 C 11 46 44.77 +01 13 58.1 r 106
2010-03-16 23:37:39 C 11 46 44.03 +01 14 03.4 r 106
2010-03-16 23:52:54 C 11 46 43.49 +01 14 09.4 r 106
2010-03-17 00:08:11 C 11 46 42.79 +01 14 15.0 r 106
2010-03-18 07:38:58 C 11 45 23.01 +01 25 38.0 19.2 c 704
2010-03-18 07:54:52 C 11 45 22.31 +01 25 43.5 19.8 c 704
2010-03-18 08:10:44 C 11 45 21.61 +01 25 49.7 19.3 c 704
2010-03-18 08:26:34 C 11 45 20.95 +01 25 54.9 19.1 c 704
2010-03-18 08:42:28 C 11 45 20.21 +01 26 00.6 19.2 c 704
2010-04-05 06:58:33 C 11 28 10.88 +03 53 12.2 r G96
2010-04-05 07:07:07 C 11 28 10.56 +03 53 15.0 r G96
2010-04-05 07:15:41 C 11 28 10.23 +03 53 17.7 r G96
2010-04-05 07:24:20 C 11 28 09.94 +03 53 20.3 r G96
2010-04-10 05:32:40 C 11 24 10.26 +04 28 20.6 r 703
2010-04-10 05:40:51 C 11 24 10.08 +04 28 22.0 r 703
2010-04-10 05:49:05 C 11 24 09.82 +04 28 24.1 r 703
2010-04-10 05:57:19 C 11 24 09.54 +04 28 27.0 r 703
2010-04-17 05:24:10 C 11 19 18.51 +05 11 58.2 r G96
2010-04-17 05:32:36 C 11 19 18.30 +05 12 00.2 r G96
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)