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
2008-09-30 22:59:45 C 02 17 52.03 -02 05 11.1 12.1 r 084
2008-10-02 03:08:53 C 02 21 16.39 -02 47 11.7 14.8 i 071
2008-10-02 03:10:17 C 02 21 16.55 -02 47 13.6 13.1 i 071
2008-10-02 03:11:40 C 02 21 16.71 -02 47 16.0 13.4 i 071
2008-10-02 03:13:05 C 02 21 16.88 -02 47 17.6 13.7 i 071
2008-10-02 03:14:29 C 02 21 17.01 -02 47 19.8 13.4 i 071
2008-10-03 23:57:07 C 02 26 22.52 -03 50 44.9 12.7 r 084
2008-10-03 23:59:19 C 02 26 22.73 -03 50 47.5 12.5 r 084
2008-10-05 21:14:44 C 02 31 01.57 -04 50 00.0 12.5 o 084
2008-10-05 21:16:56 C 02 31 01.76 -04 50 02.4 12.4 o 084
2008-10-05 22:12:12 C 02 31 07.87 -04 51 06.8 c J93
2008-10-05 22:14:50 C 02 31 08.09 -04 51 10.2 c J93
2008-10-05 22:17:28 C 02 31 08.32 -04 51 13.4 c J93
2008-10-07 20:37:24 C 02 35 22.32 -05 46 45.8 12.4 r 084
2008-10-07 20:39:36 C 02 35 22.49 -05 46 48.2 12.5 r 084
2008-10-08 00:24:33 C 02 35 40.30 -05 51 04.8 12.5 o 084
2008-10-08 00:26:45 C 02 35 40.48 -05 51 07.4 12.5 o 084
2008-10-08 22:00:57 C 02 37 30.47 -06 14 56.3 c J93
2008-10-08 22:02:59 C 02 37 30.64 -06 14 58.4 c J93
2008-10-08 22:05:01 C 02 37 30.81 -06 15 00.9 c J93
2008-10-09 01:30:38 C 02 37 44.93 -06 18 47.3 13.3 r 084
2008-10-09 01:32:51 C 02 37 45.08 -06 18 49.7 13.3 r 084
2008-10-09 08:47:48 C 02 38 20.65 -06 26 19.7 r 703
2008-10-09 08:48:40 C 02 38 20.68 -06 26 20.7 r 703
2008-10-09 09:01:01 C 02 38 21.55 -06 26 33.6 r 703
2008-10-09 09:01:54 C 02 38 21.58 -06 26 34.7 r 703
2008-10-09 09:14:12 C 02 38 22.41 -06 26 47.5 r 703
2008-10-09 09:15:04 C 02 38 22.45 -06 26 48.5 r 703
2008-10-09 09:27:19 C 02 38 23.28 -06 27 01.3 r 703
2008-10-09 09:28:11 C 02 38 23.31 -06 27 02.4 r 703
2008-10-10 01:22:11 C 02 39 37.67 -06 43 39.3 r J59
2008-10-10 01:35:47 C 02 39 38.57 -06 43 53.4 r J59
2008-10-10 01:50:46 C 02 39 39.55 -06 44 08.5 r J59
2008-10-12 21:03:39 C 02 44 19.42 -07 47 33.1 13.6 r 084
2008-10-18 20:27:49 C 02 51 41.36 -09 29 58.3 r A98
2008-10-18 20:31:51 C 02 51 41.52 -09 30 01.0 r A98
2008-10-18 20:35:53 C 02 51 41.67 -09 30 03.0 r A98
2008-10-18 20:39:57 C 02 51 41.82 -09 30 05.8 r A98
2008-10-18 20:43:59 C 02 51 41.96 -09 30 07.6 r A98
2008-10-18 20:44:59 C 02 51 41.99 -09 30 08.5 r A98
2008-10-18 20:48:01 C 02 51 42.09 -09 30 10.4 r A98
2008-10-18 21:31:10 C 02 51 43.49 -09 30 36.5 13.4 r 084
2008-10-20 20:59:53 C 02 53 30.17 -09 55 18.6 13.2 r 084
2008-10-20 21:02:05 C 02 53 30.24 -09 55 19.7 13.2 r 084
2008-10-23 20:52:22 C 02 55 40.76 -10 24 42.4 13.2 r 084
2008-10-23 20:54:34 C 02 55 40.82 -10 24 43.2 13.1 r 084
2008-10-23 23:52:22 C 02 55 45.03 -10 25 41.7 o 510
2008-10-23 23:53:45 C 02 55 45.05 -10 25 42.2 o 510
2008-10-23 23:55:07 C 02 55 45.07 -10 25 42.7 o 510
2008-10-24 22:31:55 C 02 56 19.77 -10 32 54.7 c J93
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)