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
2008-06-05 09:48:19 C 20 14 30.12 -00 13 26.2 16.7 c 704
2008-06-09 22:27:01 C 20 20 48.79 +01 08 13.6 r A13
2008-06-09 22:48:43 C 20 20 49.78 +01 08 29.6 r A13
2008-06-09 23:14:50 C 20 20 51.16 +01 08 50.1 r A13
2008-06-18 07:04:33 C 20 32 15.90 +03 46 38.4 r H45
2008-06-18 07:05:49 C 20 32 15.96 +03 46 39.3 r H45
2008-06-18 07:08:17 C 20 32 16.09 +03 46 41.5 r H45
2008-06-18 07:15:12 C 20 32 16.46 +03 46 46.9 r H45
2008-06-18 07:17:10 C 20 32 16.57 +03 46 48.6 r H45
2008-06-18 23:00:54 C 20 33 10.32 +03 59 34.1 o 198
2008-06-18 23:06:09 C 20 33 10.61 +03 59 38.3 o 198
2008-06-18 23:11:25 C 20 33 10.89 +03 59 42.2 o 198
2008-06-20 02:15:51 C 20 34 42.99 +04 21 56.4 r J51
2008-06-20 02:21:14 C 20 34 43.27 +04 22 00.8 r J51
2008-06-20 02:26:38 C 20 34 43.54 +04 22 05.2 r J51
2008-06-21 01:45:31 C 20 36 02.88 +04 41 13.5 r J59
2008-06-21 01:55:01 C 20 36 03.40 +04 41 21.3 r J59
2008-06-21 02:05:49 C 20 36 03.97 +04 41 30.2 r J59
2008-06-22 01:12:02 C 20 37 23.12 +05 00 41.5 r J51
2008-06-22 01:18:30 C 20 37 23.48 +05 00 46.7 r J51
2008-06-22 01:24:57 C 20 37 23.84 +05 00 51.8 r J51
2008-06-22 02:28:57 C 20 37 26.92 +05 01 43.1 c B37
2008-06-22 02:33:36 C 20 37 27.18 +05 01 47.0 c B37
2008-06-22 02:33:51 C 20 37 27.15 +05 01 46.2 r B19
2008-06-22 02:36:42 C 20 37 27.29 +05 01 48.6 r B19
2008-06-22 02:39:31 C 20 37 27.44 +05 01 50.8 r B19
2008-06-22 02:59:44 C 20 37 28.53 +05 02 08.3 c B37
2008-06-22 03:01:55 C 20 37 28.65 +05 02 10.1 c B37
2008-06-24 04:57:31 C 20 40 19.88 +05 43 50.7 r H53
2008-06-24 04:59:05 C 20 40 19.99 +05 43 51.9 r H53
2008-06-24 05:00:10 C 20 40 20.07 +05 43 52.7 r H53
2008-06-24 05:01:47 C 20 40 20.12 +05 43 54.1 r H53
2008-06-24 05:03:00 C 20 40 20.19 +05 43 55.4 r H53
2008-06-24 05:04:18 C 20 40 20.25 +05 43 56.1 r H53
2008-06-24 18:11:58 C 20 41 04.12 +05 54 59.3 r 379
2008-06-24 18:14:38 C 20 41 04.29 +05 55 01.8 r 379
2008-06-24 18:21:19 C 20 41 04.62 +05 55 07.4 r 379
2008-06-24 18:24:00 C 20 41 04.77 +05 55 09.4 r 379
2008-06-24 18:26:40 C 20 41 04.91 +05 55 11.5 r 379
2008-06-24 18:33:17 C 20 41 05.24 +05 55 17.3 r 379
2008-06-24 18:35:58 C 20 41 05.43 +05 55 19.1 r 379
2008-06-24 18:38:38 C 20 41 05.57 +05 55 21.6 r 379
2008-06-24 23:57:57 C 20 41 24.51 +05 59 48.1 c B09
2008-06-25 00:04:20 C 20 41 24.84 +05 59 53.5 c B09
2008-06-25 00:26:03 C 20 41 26.11 +06 00 11.9 r B19
2008-06-25 00:28:18 C 20 41 26.24 +06 00 13.7 r B19
2008-06-25 00:30:33 C 20 41 26.37 +06 00 15.5 r B19
2008-06-25 23:05:56 C 20 42 43.87 +06 19 17.8 r A13
2008-06-25 23:36:10 C 20 42 45.52 +06 19 43.7 r A13
2008-06-28 01:58:37 C 20 45 38.13 +07 02 29.7 r B19
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)