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
2008-07-23 02:42:11 C 21 24 45.02 +15 29 48.9 r H53
2008-07-24 02:35:19 C 21 26 40.90 +15 48 31.4 r H53
2008-07-24 02:36:40 C 21 26 40.98 +15 48 32.3 r H53
2008-07-24 02:37:51 C 21 26 41.08 +15 48 33.3 r H53
2008-07-24 02:39:02 C 21 26 41.17 +15 48 34.1 r H53
2008-07-24 02:40:11 C 21 26 41.27 +15 48 35.1 r H53
2008-07-24 02:41:34 C 21 26 41.37 +15 48 36.2 r H53
2008-07-25 20:07:28 C 21 30 08.85 +16 20 21.1 o 151
2008-07-25 20:08:44 C 21 30 08.95 +16 20 22.1 o 151
2008-07-25 20:10:00 C 21 30 09.07 +16 20 23.1 o 151
2008-07-25 20:11:15 C 21 30 09.17 +16 20 24.2 o 151
2008-07-25 20:12:31 C 21 30 09.28 +16 20 25.1 o 151
2008-07-25 20:13:47 C 21 30 09.38 +16 20 26.1 o 151
2008-07-25 20:15:03 C 21 30 09.51 +16 20 27.1 o 151
2008-07-25 22:51:11 C 21 30 22.20 +16 22 27.7 c 196
2008-07-25 23:10:11 C 21 30 23.70 +16 22 42.1 c 196
2008-07-25 23:44:40 C 21 30 26.47 +16 23 08.7 c 196
2008-07-26 00:39:39 C 21 30 29.93 +16 23 51.9 14.0 r C20
2008-07-27 15:46:48 C 21 33 56.50 +16 53 03.5 r 379
2008-07-27 15:49:28 C 21 33 56.75 +16 53 05.5 r 379
2008-07-27 15:58:48 C 21 33 57.48 +16 53 11.9 r 379
2008-07-27 16:01:29 C 21 33 57.72 +16 53 14.1 r 379
2008-07-28 01:23:55 C 21 34 48.16 +17 00 00.3 r B19
2008-07-28 01:25:59 C 21 34 48.34 +17 00 01.9 r B19
2008-07-28 01:27:52 C 21 34 48.49 +17 00 03.2 r B19
2008-07-28 08:29:57 C 21 35 26.48 +17 05 12.1 r H45
2008-07-28 08:31:39 C 21 35 26.63 +17 05 13.3 r H45
2008-07-28 08:34:35 C 21 35 26.86 +17 05 15.3 r H45
2008-07-28 08:37:05 C 21 35 27.07 +17 05 17.1 r H45
2008-07-28 08:38:48 C 21 35 27.21 +17 05 18.3 r H45
2008-07-29 03:24:31 C 21 37 13.13 +17 18 39.1 r H53
2008-07-29 03:25:47 C 21 37 13.24 +17 18 40.1 r H53
2008-07-29 03:26:58 C 21 37 13.34 +17 18 40.9 r H53
2008-07-29 03:28:07 C 21 37 13.44 +17 18 41.8 r H53
2008-07-29 03:29:17 C 21 37 13.55 +17 18 42.7 r H53
2008-07-29 03:30:22 C 21 37 13.64 +17 18 43.4 r H53
2008-07-30 01:01:50 C 21 39 14.20 +17 33 51.1 c J27
2008-07-30 01:10:13 C 21 39 14.93 +17 33 56.8 c J27
2008-07-30 01:17:00 C 21 39 15.54 +17 34 01.6 c J27
2008-07-30 01:26:00 C 21 39 16.16 +17 34 07.4 c B37
2008-07-30 01:31:05 C 21 39 16.60 +17 34 10.9 c B37
2008-07-30 01:36:08 C 21 39 17.06 +17 34 14.3 c B37
2008-07-30 01:41:45 C 21 39 17.53 +17 34 18.2 c B37
2008-07-30 01:48:31 C 21 39 18.15 +17 34 22.9 c B37
2008-07-30 23:49:04 C 21 41 27.03 +17 49 26.1 c B37
2008-07-30 23:51:28 C 21 41 27.26 +17 49 27.8 c B37
2008-07-30 23:54:39 C 21 41 27.54 +17 49 30.0 c B37
2008-07-30 23:58:18 C 21 41 27.88 +17 49 32.6 c B37
2008-07-31 22:17:30 C 21 43 41.06 +18 04 17.7 r B42
2008-07-31 22:19:22 C 21 43 41.24 +18 04 18.9 r B42
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)