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
2008-08-30 03:53:35 C 23 38 40.29 +18 58 26.4 r H53
2008-08-30 03:54:39 C 23 38 40.54 +18 58 25.7 r H53
2008-08-30 03:55:52 C 23 38 40.80 +18 58 24.4 r H53
2008-08-30 03:57:04 C 23 38 41.08 +18 58 23.5 r H53
2008-08-30 03:58:21 C 23 38 41.37 +18 58 22.7 r H53
2008-08-30 03:59:36 C 23 38 41.64 +18 58 21.4 r H53
2008-08-30 20:42:21 C 23 42 36.00 +18 43 08.0 c 127
2008-08-30 20:45:43 C 23 42 36.77 +18 43 04.9 c 127
2008-08-30 20:50:08 C 23 42 37.77 +18 43 01.0 c 127
2008-08-30 20:54:30 C 23 42 38.79 +18 42 57.1 c 127
2008-08-30 21:39:12 C 23 42 49.20 +18 42 15.1 c J93
2008-08-30 21:42:15 C 23 42 49.91 +18 42 12.5 c J93
2008-08-30 21:45:19 C 23 42 50.60 +18 42 09.3 c J93
2008-08-30 22:23:49 C 23 42 59.05 +18 41 49.6 o B40
2008-08-30 22:29:41 C 23 43 00.36 +18 41 44.2 o B40
2008-08-30 22:47:59 C 23 43 04.96 +18 41 13.7 v J69
2008-08-30 22:53:31 C 23 43 06.10 +18 41 08.5 v J69
2008-08-30 22:59:05 C 23 43 07.33 +18 41 04.3 v J69
2008-08-30 23:03:13 C 23 43 07.91 +18 41 04.9 c B67
2008-08-30 23:32:09 C 23 43 14.47 +18 40 40.8 c B67
2008-08-30 23:42:52 C 23 43 16.37 +18 40 26.5 r A97
2008-08-30 23:49:36 C 23 43 17.86 +18 40 20.1 r A97
2008-08-30 23:56:19 C 23 43 19.38 +18 40 14.1 r A97
2008-08-31 00:03:02 C 23 43 20.86 +18 40 07.8 r A97
2008-08-31 00:09:45 C 23 43 22.38 +18 40 01.3 r A97
2008-08-31 00:16:29 C 23 43 23.87 +18 39 55.0 r A97
2008-08-31 00:23:58 C 23 43 25.90 +18 39 50.0 c B67
2008-08-31 00:53:29 C 23 43 32.53 +18 39 19.5 r B50
2008-08-31 00:54:18 C 23 43 32.71 +18 39 18.8 r B50
2008-08-31 01:02:55 C 23 43 34.65 +18 39 10.7 r B50
2008-08-31 01:06:15 C 23 43 35.38 +18 39 07.5 r B50
2008-08-31 01:06:56 C 23 43 35.54 +18 39 07.0 r B50
2008-08-31 01:08:56 C 23 43 36.00 +18 39 04.8 r B50
2008-08-31 01:10:17 C 23 43 36.29 +18 39 03.7 r B50
2008-08-31 01:18:58 C 23 43 38.24 +18 38 55.4 r B50
2008-08-31 01:27:13 C 23 43 40.08 +18 38 46.1 o 510
2008-08-31 01:30:38 C 23 43 40.84 +18 38 42.8 o 510
2008-08-31 01:31:30 C 23 43 41.05 +18 38 43.4 r B50
2008-08-31 01:34:02 C 23 43 41.61 +18 38 39.5 o 510
2008-08-31 01:34:50 C 23 43 41.79 +18 38 40.1 r B50
2008-08-31 01:37:29 C 23 43 42.39 +18 38 37.6 r B50
2008-08-31 01:38:48 C 23 43 42.68 +18 38 36.3 r B50
2008-08-31 01:40:48 C 23 43 43.13 +18 38 34.5 r B50
2008-08-31 01:44:47 C 23 43 44.02 +18 38 30.6 r B50
2008-08-31 01:47:26 C 23 43 44.60 +18 38 28.1 r B50
2008-08-31 01:48:45 C 23 43 44.91 +18 38 26.7 r B50
2008-08-31 02:10:53 C 23 43 49.88 +18 38 05.4 r B50
2008-08-31 02:11:34 C 23 43 50.03 +18 38 04.5 r B50
2008-08-31 02:12:14 C 23 43 50.19 +18 38 04.0 r B50
2008-08-31 02:14:53 C 23 43 50.78 +18 38 01.4 r B50
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)