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
2008-10-24 22:38:03 C 02 56 19.85 -10 32 56.8 c J93
2008-10-24 22:48:18 C 02 56 20.00 -10 33 00.1 c J93
2008-10-26 07:20:40 C 02 57 03.42 -10 41 41.4 r 703
2008-10-26 07:33:04 C 02 57 03.56 -10 41 44.4 r 703
2008-10-26 07:45:29 C 02 57 03.70 -10 41 47.5 r 703
2008-10-26 07:57:46 C 02 57 03.85 -10 41 50.5 r 703
2008-10-27 00:38:57 C 02 57 24.14 -10 45 46.4 v J93
2008-10-27 00:41:00 C 02 57 24.18 -10 45 46.6 v J93
2008-10-27 00:43:04 C 02 57 24.21 -10 45 47.1 v J93
2008-10-29 05:03:29 C 02 58 20.18 -10 54 40.5 c H53
2008-10-29 05:08:28 C 02 58 20.24 -10 54 40.5 c H53
2008-10-29 05:11:11 C 02 58 20.23 -10 54 41.1 c H53
2008-10-29 05:15:27 C 02 58 20.26 -10 54 42.2 c H53
2008-10-29 05:17:09 C 02 58 20.29 -10 54 42.4 c H53
2008-10-29 05:19:08 C 02 58 20.34 -10 54 42.6 c H53
2008-11-01 03:18:24 C 02 59 18.75 -11 00 01.0 r H53
2008-11-01 03:32:40 C 02 59 18.81 -11 00 01.5 r H53
2008-11-01 03:36:12 C 02 59 18.89 -11 00 01.5 r H53
2008-11-01 03:41:51 C 02 59 18.91 -11 00 01.6 r H53
2008-11-01 03:46:42 C 02 59 18.93 -11 00 01.5 r H53
2008-11-01 03:50:11 C 02 59 18.94 -11 00 01.9 r H53
2008-11-03 06:47:36 C 02 59 50.44 -10 59 24.3 r H53
2008-11-03 06:51:52 C 02 59 50.45 -10 59 24.3 r H53
2008-11-03 06:59:26 C 02 59 50.47 -10 59 23.9 r H53
2008-11-03 07:01:41 C 02 59 50.47 -10 59 23.7 r H53
2008-11-03 07:05:53 C 02 59 50.48 -10 59 23.6 r H53
2008-11-03 07:10:11 C 02 59 50.48 -10 59 23.5 r H53
2008-11-05 06:05:37 C 03 00 16.09 -10 55 40.8 r H53
2008-11-05 06:10:09 C 03 00 16.08 -10 55 40.4 r H53
2008-11-05 06:15:13 C 03 00 16.09 -10 55 39.6 r H53
2008-11-05 06:20:08 C 03 00 16.10 -10 55 39.1 r H53
2008-11-05 06:25:12 C 03 00 16.12 -10 55 38.7 r H53
2008-11-05 06:30:10 C 03 00 16.13 -10 55 38.0 r H53
2008-11-06 04:56:09 C 03 00 26.88 -10 52 19.1 r 808
2008-11-06 05:06:39 C 03 00 26.88 -10 52 17.6 r 808
2008-11-06 05:17:50 C 03 00 26.88 -10 52 16.0 r 808
2008-11-07 21:16:08 C 03 00 44.80 -10 46 26.4 13.6 r 084
2008-11-07 21:18:20 C 03 00 44.82 -10 46 26.1 13.7 r 084
2008-11-09 04:07:30 C 03 00 57.21 -10 39 35.2 r 808
2008-11-09 04:17:30 C 03 00 57.20 -10 39 33.1 r 808
2008-11-09 04:29:29 C 03 00 57.19 -10 39 30.4 r 808
2008-11-20 06:48:09 C 03 02 41.49 -09 08 28.5 r 703
2008-11-20 06:58:37 C 03 02 41.53 -09 08 23.8 r 703
2008-11-20 07:09:01 C 03 02 41.53 -09 08 19.1 r 703
2008-11-20 07:19:25 C 03 02 41.56 -09 08 14.4 r 703
2008-11-21 20:30:04 C 03 03 00.08 -08 51 09.8 14.8 o 084
2008-11-21 20:32:17 C 03 03 00.09 -08 51 08.8 14.9 o 084
2008-11-22 04:40:20 C 03 03 04.38 -08 47 11.6 r H53
2008-11-22 04:45:08 C 03 03 04.38 -08 47 09.1 r H53
2008-11-22 04:50:08 C 03 03 04.39 -08 47 06.7 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)