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
2008-08-09 05:05:28 C 22 06 36.56 +19 54 53.2 r H45
2008-08-09 05:08:18 C 22 06 36.92 +19 54 54.5 r H45
2008-08-09 05:09:42 C 22 06 37.09 +19 54 55.2 r H45
2008-08-09 23:36:12 C 22 09 04.70 +20 02 45.6 r J51
2008-08-09 23:37:45 C 22 09 03.49 +20 02 35.2 r A97
2008-08-09 23:43:08 C 22 09 04.14 +20 02 37.2 r A97
2008-08-09 23:43:12 C 22 09 05.58 +20 02 48.7 r J51
2008-08-09 23:48:30 C 22 09 04.82 +20 02 39.4 r A97
2008-08-09 23:50:12 C 22 09 06.46 +20 02 51.8 r J51
2008-08-09 23:53:52 C 22 09 05.51 +20 02 41.7 r A97
2008-08-09 23:59:15 C 22 09 06.17 +20 02 43.8 r A97
2008-08-10 00:58:41 C 22 09 14.43 +20 03 05.0 o J41
2008-08-10 01:02:52 C 22 09 14.40 +20 03 12.6 r B09
2008-08-10 01:27:06 C 22 09 18.07 +20 03 16.7 o J41
2008-08-10 01:55:41 C 22 09 21.72 +20 03 28.1 o J41
2008-08-10 02:12:59 C 22 09 23.77 +20 03 45.0 r J53
2008-08-10 02:16:48 C 22 09 24.25 +20 03 46.4 r J53
2008-08-10 02:34:17 C 22 09 26.44 +20 03 53.4 r J53
2008-08-10 03:19:46 C 22 09 35.24 +20 04 07.7 r H53
2008-08-10 03:21:04 C 22 09 35.42 +20 04 08.2 r H53
2008-08-10 03:22:09 C 22 09 35.56 +20 04 09.0 r H53
2008-08-10 03:23:30 C 22 09 35.75 +20 04 09.3 r H53
2008-08-10 03:24:52 C 22 09 35.92 +20 04 10.2 r H53
2008-08-10 03:26:21 C 22 09 36.10 +20 04 10.4 r H53
2008-08-11 02:51:54 C 22 12 49.92 +20 13 10.1 r H53
2008-08-11 02:53:09 C 22 12 50.09 +20 13 10.4 r H53
2008-08-11 02:54:14 C 22 12 50.23 +20 13 10.9 r H53
2008-08-11 02:55:13 C 22 12 50.36 +20 13 11.1 r H53
2008-08-11 02:56:17 C 22 12 50.51 +20 13 11.9 r H53
2008-08-11 02:57:21 C 22 12 50.66 +20 13 12.2 r H53
2008-08-12 02:58:25 C 22 16 15.75 +20 21 31.9 r H53
2008-08-12 02:59:50 C 22 16 15.94 +20 21 32.3 r H53
2008-08-12 03:01:01 C 22 16 16.10 +20 21 32.7 r H53
2008-08-12 03:02:22 C 22 16 16.29 +20 21 33.2 r H53
2008-08-12 03:03:39 C 22 16 16.48 +20 21 33.6 r H53
2008-08-12 03:04:56 C 22 16 16.66 +20 21 34.1 r H53
2008-08-12 23:50:00 C 22 19 16.92 +20 27 52.2 r A98
2008-08-12 23:53:58 C 22 19 17.51 +20 27 53.5 r A98
2008-08-12 23:57:59 C 22 19 18.05 +20 27 54.4 r A98
2008-08-13 00:02:00 C 22 19 18.61 +20 27 55.5 r A98
2008-08-13 00:06:00 C 22 19 19.17 +20 27 56.6 r A98
2008-08-13 00:10:01 C 22 19 19.75 +20 27 57.6 r A98
2008-08-13 00:17:59 C 22 19 20.87 +20 27 59.9 r A98
2008-08-13 00:22:00 C 22 19 21.45 +20 28 01.0 r A98
2008-08-13 00:26:00 C 22 19 22.01 +20 28 02.1 r A98
2008-08-13 00:29:59 C 22 19 22.57 +20 28 03.2 r A98
2008-08-13 00:33:59 C 22 19 23.13 +20 28 04.2 r A98
2008-08-13 00:38:00 C 22 19 23.70 +20 28 05.3 r A98
2008-08-13 00:42:00 C 22 19 24.27 +20 28 06.4 r A98
2008-08-13 00:45:59 C 22 19 24.86 +20 28 06.9 r A98
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)