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
2009-01-16 20:12:16 C 03 44 38.01 +04 47 04.7 17.1 r C20
2009-01-16 20:16:31 C 03 44 38.17 +04 47 06.9 17.3 o C20
2009-01-17 20:16:16 C 03 45 53.79 +05 00 44.5 16.9 o C20
2009-01-21 21:46:14 C 03 51 09.33 +05 54 55.2 17.0 o C20
2009-01-21 21:48:21 C 03 51 09.45 +05 54 56.4 17.0 o C20
2009-01-22 19:08:29 C 03 52 20.43 +06 06 33.2 17.1 o C20
2009-01-22 19:10:36 C 03 52 20.54 +06 06 34.4 17.1 o C20
2009-01-23 18:57:42 C 03 53 40.22 +06 19 24.4 17.4 o C20
2009-01-23 18:59:49 C 03 53 40.31 +06 19 25.5 17.4 o C20
2009-01-28 19:19:37 C 04 00 34.77 +07 22 30.9 17.5 r C20
2009-01-28 19:21:44 C 04 00 34.90 +07 22 31.8 17.5 r C20
2009-01-29 03:53:15 C 04 01 05.08 +07 26 54.3 r 703
2009-01-29 04:00:06 C 04 01 05.48 +07 26 58.0 r 703
2009-01-29 04:07:00 C 04 01 05.84 +07 27 01.3 r 703
2009-01-29 04:13:55 C 04 01 06.24 +07 27 05.0 r 703
2009-02-03 18:14:02 C 04 09 09.97 +08 33 23.7 17.8 o C20
2009-02-03 19:24:47 C 04 09 14.24 +08 33 57.5 17.6 o C20
2009-02-03 19:26:54 C 04 09 14.38 +08 33 58.7 17.7 o C20
2009-02-14 03:58:35 C 04 25 00.94 +10 26 14.7 r 703
2009-02-14 04:07:03 C 04 25 01.48 +10 26 18.2 r 703
2009-02-14 04:15:41 C 04 25 02.06 +10 26 22.1 r 703
2009-02-14 04:24:23 C 04 25 02.64 +10 26 25.4 r 703
2009-02-17 03:51:37 C 04 29 45.01 +10 56 05.5 18.4 c 704
2009-02-17 04:08:05 C 04 29 46.07 +10 56 12.2 18.4 c 704
2009-02-17 04:24:28 C 04 29 47.17 +10 56 18.4 18.4 c 704
2009-02-17 04:41:08 C 04 29 48.25 +10 56 25.3 18.5 c 704
2009-02-18 18:54:46 C 04 32 21.32 +11 11 46.9 o B84
2009-02-18 18:57:59 C 04 32 21.39 +11 11 48.8 o B84
2009-02-18 18:59:35 C 04 32 21.53 +11 11 48.9 o B84
2009-02-26 03:32:24 C 04 44 21.56 +12 18 35.6 18.6 c 704
2009-02-26 03:48:01 C 04 44 22.66 +12 18 41.1 19.1 c 704
2009-02-26 04:03:51 C 04 44 23.71 +12 18 46.3 18.9 c 704
2009-03-17 02:55:14 C 05 16 47.51 +14 37 50.2 19.8 c 704
2009-03-17 03:29:32 C 05 16 49.86 +14 37 59.0 20.0 c 704
2009-03-17 03:46:47 C 05 16 51.24 +14 38 04.2 19.6 c 704
2009-03-17 04:03:56 C 05 16 52.45 +14 38 07.8 19.3 c 704
2009-03-22 02:51:06 C 05 25 35.61 +15 06 46.3 19.4 c 704
2009-03-22 03:08:45 C 05 25 36.83 +15 06 49.7 19.6 c 704
2009-03-22 03:26:21 C 05 25 38.17 +15 06 54.4 19.8 c 704
2009-03-22 03:44:00 C 05 25 39.44 +15 06 56.1 19.7 c 704
2009-03-29 02:56:25 C 05 38 04.00 +15 41 56.4 18.8 c 704
2009-03-29 03:13:17 C 05 38 05.21 +15 41 59.1 19.4 c 704
2009-03-29 03:30:10 C 05 38 06.48 +15 42 02.5 19.6 c 704
2009-03-29 03:47:07 C 05 38 07.59 +15 42 06.6 19.7 c 704
2009-03-29 04:04:06 C 05 38 08.98 +15 42 09.3 19.0 c 704
2009-12-20 11:42:32 C 12 09 57.85 -03 15 13.3 r G96
2009-12-20 11:51:34 C 12 09 58.06 -03 15 14.2 r G96
2009-12-20 12:00:50 C 12 09 58.39 -03 15 15.0 r G96
2009-12-20 12:10:03 C 12 09 58.60 -03 15 17.2 r G96
2009-12-26 12:06:27 C 12 13 22.73 -03 32 51.0 o 691
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)