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
2010-04-17 05:41:09 C 11 19 18.08 +05 12 02.1 r G96
2010-04-17 05:49:38 C 11 19 17.86 +05 12 04.1 r G96
2011-04-30 10:27:54 C 20 33 58.82 -07 18 02.4 r 703
2011-04-30 10:38:40 C 20 33 59.97 -07 17 56.0 r 703
2011-04-30 10:49:30 C 20 34 01.16 -07 17 49.8 r 703
2011-04-30 11:00:17 C 20 34 02.31 -07 17 42.7 r 703
2011-05-13 10:04:10 C 21 09 17.17 -03 50 26.9 r 703
2011-05-13 10:16:11 C 21 09 18.57 -03 50 19.0 r 703
2011-05-13 10:28:13 C 21 09 19.98 -03 50 09.9 r 703
2011-05-23 01:53:44 C 21 37 23.37 -00 53 49.1 c A24
2011-05-23 01:54:46 C 21 37 23.53 -00 53 48.0 c A24
2011-05-23 02:11:04 C 21 37 25.56 -00 53 34.9 c A24
2011-05-23 02:12:07 C 21 37 25.67 -00 53 33.6 c A24
2011-05-27 09:59:21 C 21 50 39.08 +00 31 22.1 r 703
2011-05-27 10:09:21 C 21 50 40.38 +00 31 30.1 r 703
2011-05-27 10:31:22 C 21 50 43.15 +00 31 48.5 r 703
2011-06-07 09:47:01 C 22 26 23.56 +04 20 42.1 r 703
2011-06-07 09:55:44 C 22 26 24.75 +04 20 50.2 r 703
2011-06-07 10:04:05 C 22 26 25.94 +04 20 57.5 r 703
2011-06-07 10:12:24 C 22 26 27.09 +04 21 05.1 r 703
2011-06-09 09:57:43 C 22 33 17.60 +05 04 15.2 r G96
2011-06-09 10:06:01 C 22 33 18.79 +05 04 22.7 r G96
2011-06-09 10:14:19 C 22 33 19.98 +05 04 30.3 r G96
2011-06-09 10:22:35 C 22 33 21.13 +05 04 37.8 r G96
2011-06-10 10:03:12 C 22 36 47.48 +05 26 10.4 r G96
2011-06-10 10:10:45 C 22 36 48.56 +05 26 17.3 r G96
2011-06-10 10:18:17 C 22 36 49.64 +05 26 24.2 r G96
2011-06-10 10:25:48 C 22 36 50.72 +05 26 31.0 r G96
2011-06-25 00:06:27 C 23 31 32.96 +10 48 32.5 c A24
2011-06-25 00:07:30 C 23 31 33.19 +10 48 33.0 c A24
2011-06-26 00:35:21 C 23 35 40.11 +11 10 47.3 c A24
2011-06-26 00:36:23 C 23 35 40.22 +11 10 48.0 c A24
2011-06-26 23:52:48 C 23 39 37.35 +11 31 49.4 c A24
2011-06-27 00:42:26 C 23 39 45.79 +11 32 33.6 c A24
2011-06-27 00:43:27 C 23 39 45.90 +11 32 34.7 c A24
2011-06-28 00:01:38 C 23 43 45.48 +11 53 28.3 c A24
2011-06-28 00:02:41 C 23 43 45.59 +11 53 29.2 c A24
2011-06-28 00:53:24 C 23 43 54.35 +11 54 15.2 c A24
2011-06-28 00:54:26 C 23 43 54.48 +11 54 16.4 c A24
2011-06-29 08:59:09 C 23 49 27.67 +12 22 50.2 17.4 c 704
2011-06-29 09:13:28 C 23 49 30.16 +12 23 03.0 17.4 c 704
2011-06-29 09:27:44 C 23 49 32.62 +12 23 15.6 17.4 c 704
2011-06-29 09:42:03 C 23 49 35.08 +12 23 28.3 17.2 c 704
2011-06-29 09:56:35 C 23 49 37.54 +12 23 41.4 17.3 c 704
2011-07-04 02:03:17 C 00 09 32.75 +14 00 20.6 w I99
2011-07-04 02:11:38 C 00 09 34.24 +14 00 28.0 w I99
2011-07-04 02:19:59 C 00 09 35.73 +14 00 34.6 w I99
2011-07-26 01:42:24 C 01 51 41.39 +19 42 45.4 c A24
2011-07-26 01:43:26 C 01 51 41.62 +19 42 45.7 c A24
2011-07-26 02:31:00 C 01 51 51.05 +19 43 05.5 c A24
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)