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
2008-07-31 22:20:41 C 21 43 41.36 +18 04 19.8 r B42
2008-07-31 22:23:01 C 21 43 41.58 +18 04 21.3 r B42
2008-07-31 22:26:36 C 21 43 41.92 +18 04 23.7 r B42
2008-07-31 22:27:52 C 21 43 42.05 +18 04 24.5 r B42
2008-08-01 00:11:43 C 21 43 52.67 +18 05 40.0 c B37
2008-08-01 00:13:18 C 21 43 52.82 +18 05 41.1 c B37
2008-08-01 00:15:18 C 21 43 53.00 +18 05 42.4 c B37
2008-08-01 00:16:30 C 21 43 53.12 +18 05 43.1 c B37
2008-08-01 05:31:03 C 21 44 25.46 +18 09 09.7 r H53
2008-08-01 05:32:30 C 21 44 25.60 +18 09 10.6 r H53
2008-08-01 05:33:31 C 21 44 25.70 +18 09 11.4 r H53
2008-08-01 05:34:43 C 21 44 25.81 +18 09 12.2 r H53
2008-08-01 05:35:50 C 21 44 25.92 +18 09 12.9 r H53
2008-08-01 05:37:01 C 21 44 26.02 +18 09 13.7 r H53
2008-08-01 21:33:59 C 21 46 04.30 +18 19 20.6 r A98
2008-08-01 21:38:59 C 21 46 04.79 +18 19 23.6 r A98
2008-08-01 21:43:59 C 21 46 05.26 +18 19 26.8 r A98
2008-08-01 21:48:59 C 21 46 05.76 +18 19 29.9 r A98
2008-08-01 21:54:00 C 21 46 06.25 +18 19 33.2 r A98
2008-08-01 21:58:59 C 21 46 06.74 +18 19 36.6 r A98
2008-08-01 22:03:59 C 21 46 07.22 +18 19 39.6 r A98
2008-08-01 22:08:59 C 21 46 07.71 +18 19 42.9 r A98
2008-08-01 22:13:59 C 21 46 08.21 +18 19 46.0 r A98
2008-08-01 22:18:59 C 21 46 08.69 +18 19 49.5 r A98
2008-08-01 22:23:59 C 21 46 09.20 +18 19 52.4 r A98
2008-08-01 22:28:59 C 21 46 09.67 +18 19 55.7 r A98
2008-08-01 22:33:59 C 21 46 10.17 +18 19 59.0 r A98
2008-08-01 22:39:00 C 21 46 10.65 +18 20 02.0 r A98
2008-08-01 22:43:59 C 21 46 11.13 +18 20 05.0 r A98
2008-08-01 22:48:59 C 21 46 11.63 +18 20 08.6 r A98
2008-08-01 22:53:59 C 21 46 12.14 +18 20 11.1 r A98
2008-08-01 22:58:59 C 21 46 12.61 +18 20 15.0 r A98
2008-08-02 04:47:58 C 21 46 50.20 +18 24 03.7 r H53
2008-08-02 04:49:01 C 21 46 50.31 +18 24 04.4 r H53
2008-08-02 04:50:07 C 21 46 50.41 +18 24 05.1 r H53
2008-08-02 04:51:12 C 21 46 50.52 +18 24 05.8 r H53
2008-08-02 04:52:27 C 21 46 50.64 +18 24 06.7 r H53
2008-08-02 04:53:49 C 21 46 50.78 +18 24 07.5 r H53
2008-08-03 00:35:55 C 21 48 55.66 +18 36 21.0 c J27
2008-08-03 00:45:33 C 21 48 56.63 +18 36 27.1 c J27
2008-08-03 00:52:51 C 21 48 57.35 +18 36 31.6 c J27
2008-08-03 01:05:11 C 21 48 58.35 +18 36 38.2 r B19
2008-08-03 01:06:52 C 21 48 58.52 +18 36 39.3 r B19
2008-08-03 01:08:33 C 21 48 58.68 +18 36 40.2 r B19
2008-08-03 03:13:07 C 21 49 13.97 +18 37 54.5 r H53
2008-08-03 03:14:17 C 21 49 14.08 +18 37 55.1 r H53
2008-08-03 03:15:34 C 21 49 14.21 +18 37 55.8 r H53
2008-08-03 03:17:01 C 21 49 14.35 +18 37 56.9 r H53
2008-08-03 03:18:38 C 21 49 14.52 +18 37 57.8 r H53
2008-08-03 03:19:55 C 21 49 14.65 +18 37 58.8 r H53
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)