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
2008-08-03 03:26:53 C 21 49 12.56 +18 38 03.4 c B37
2008-08-03 03:29:38 C 21 49 12.85 +18 38 04.7 c B37
2008-08-03 03:32:24 C 21 49 13.12 +18 38 06.2 c B37
2008-08-03 03:36:44 C 21 49 13.56 +18 38 08.8 c B37
2008-08-03 19:51:35 C 21 51 02.86 +18 47 47.1 o 151
2008-08-03 19:52:51 C 21 51 03.00 +18 47 47.9 o 151
2008-08-03 19:54:07 C 21 51 03.13 +18 47 48.6 o 151
2008-08-03 19:55:23 C 21 51 03.26 +18 47 49.7 o 151
2008-08-03 19:56:39 C 21 51 03.40 +18 47 50.3 o 151
2008-08-03 19:57:55 C 21 51 03.54 +18 47 51.1 o 151
2008-08-03 19:59:11 C 21 51 03.68 +18 47 51.9 o 151
2008-08-03 23:31:18 C 21 51 26.23 +18 49 58.8 c J93
2008-08-03 23:39:25 C 21 51 27.07 +18 50 04.0 c J93
2008-08-03 23:42:27 C 21 51 27.38 +18 50 05.8 c J93
2008-08-04 01:45:11 C 21 51 40.59 +18 51 31.9 r J51
2008-08-04 01:53:19 C 21 51 41.41 +18 51 36.7 r J51
2008-08-04 02:01:27 C 21 51 42.25 +18 51 41.4 r J51
2008-08-04 02:05:59 C 21 51 42.11 +18 51 36.0 c B37
2008-08-04 02:14:43 C 21 51 43.01 +18 51 41.0 c B37
2008-08-04 02:55:41 C 21 51 47.25 +18 52 04.3 c B37
2008-08-04 02:57:16 C 21 51 47.41 +18 52 05.1 c B37
2008-08-05 01:35:13 C 21 54 22.23 +19 05 11.7 r J51
2008-08-05 01:42:45 C 21 54 23.01 +19 05 16.0 r J51
2008-08-05 01:50:17 C 21 54 23.80 +19 05 20.1 r J51
2008-08-05 04:19:58 C 21 54 42.38 +19 06 36.8 r H45
2008-08-05 04:22:05 C 21 54 42.59 +19 06 38.1 r H45
2008-08-05 04:24:29 C 21 54 42.86 +19 06 39.4 r H45
2008-08-05 04:26:38 C 21 54 43.09 +19 06 40.6 r H45
2008-08-05 04:28:35 C 21 54 43.31 +19 06 41.7 r H45
2008-08-05 04:52:34 C 21 54 45.73 +19 06 54.6 r H53
2008-08-05 04:54:01 C 21 54 45.88 +19 06 55.6 r H53
2008-08-05 04:55:26 C 21 54 46.05 +19 06 56.3 r H53
2008-08-05 04:56:53 C 21 54 46.20 +19 06 57.3 r H53
2008-08-05 04:58:21 C 21 54 46.36 +19 06 58.0 r H53
2008-08-05 04:59:50 C 21 54 46.52 +19 06 59.1 r H53
2008-08-05 20:09:24 C 21 56 33.02 +19 15 07.8 o 151
2008-08-05 20:10:40 C 21 56 33.17 +19 15 08.6 o 151
2008-08-05 20:11:56 C 21 56 33.31 +19 15 09.3 o 151
2008-08-05 20:13:12 C 21 56 33.46 +19 15 10.0 o 151
2008-08-05 20:14:28 C 21 56 33.60 +19 15 10.7 o 151
2008-08-05 20:15:44 C 21 56 33.75 +19 15 11.5 o 151
2008-08-05 20:17:00 C 21 56 33.89 +19 15 12.3 o 151
2008-08-05 20:54:55 C 21 56 38.31 +19 15 34.2 r A13
2008-08-05 21:31:37 C 21 56 42.44 +19 15 55.2 r A13
2008-08-05 22:17:49 C 21 56 46.74 +19 16 14.5 13.3 r 084
2008-08-05 23:25:02 C 21 56 54.29 +19 16 50.6 13.5 r 084
2008-08-06 23:34:02 C 21 59 48.90 +19 29 30.3 o 510
2008-08-06 23:34:58 C 21 59 49.00 +19 29 30.8 o 510
2008-08-06 23:36:31 C 21 59 49.18 +19 29 31.6 o 510
2008-08-07 04:32:45 C 22 00 26.44 +19 32 07.2 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)