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
2005-10-28 02:22:56 C 21 01 22.47 -22 14 15.0 r 703
2005-10-28 02:23:41 C 21 01 22.65 -22 14 15.2 r 703
2005-10-28 02:29:55 C 21 01 23.95 -22 14 14.6 r 703
2005-10-28 02:30:41 C 21 01 24.13 -22 14 14.8 r 703
2005-10-28 02:36:50 C 21 01 25.42 -22 14 14.4 r 703
2005-10-28 02:37:38 C 21 01 25.60 -22 14 14.5 r 703
2005-10-31 02:36:27 C 21 16 59.23 -22 08 18.0 r 703
2005-10-31 02:42:08 C 21 17 00.45 -22 08 17.1 r 703
2005-10-31 02:47:49 C 21 17 01.64 -22 08 16.6 r 703
2005-10-31 02:53:34 C 21 17 02.86 -22 08 15.6 r 703
2005-11-18 01:35:22 C 22 47 15.76 -19 07 09.9 o 294
2005-11-18 01:54:37 C 22 47 19.55 -19 06 56.9 o 294
2005-11-20 23:51:34 C 23 00 53.82 -18 18 22.2 o 294
2005-11-21 00:37:27 C 23 01 02.39 -18 17 49.3 o 294
2005-12-01 03:25:31 C 23 44 54.27 -15 03 26.4 r 703
2005-12-01 03:36:46 C 23 44 56.18 -15 03 16.2 r 703
2005-12-01 03:48:03 C 23 44 58.05 -15 03 06.7 r 703
2005-12-01 03:59:15 C 23 45 00.07 -15 02 56.6 r 703
2005-12-07 03:44:47 C 00 08 37.46 -12 56 00.7 r 703
2005-12-07 03:56:19 C 00 08 39.26 -12 55 50.4 r 703
2005-12-07 04:07:50 C 00 08 41.02 -12 55 39.8 r 703
2005-12-10 18:33:59 C 00 22 05.98 -11 37 24.1 c A53
2005-12-10 18:40:19 C 00 22 06.91 -11 37 19.4 c A53
2005-12-10 18:47:56 C 00 22 08.06 -11 37 11.0 c A53
2005-12-10 18:56:10 C 00 22 09.25 -11 37 03.5 c A53
2005-12-10 19:06:13 C 00 22 10.77 -11 36 55.1 c A53
2005-12-17 02:36:17 C 00 44 21.48 -09 18 47.1 o 699
2005-12-17 03:15:33 C 00 44 26.90 -09 18 11.4 o 699
2005-12-17 03:54:50 C 00 44 32.31 -09 17 35.3 o 699
2005-12-17 04:34:09 C 00 44 37.75 -09 16 59.5 o 699
2005-12-25 03:53:45 C 01 10 29.38 -06 24 50.8 r 703
2005-12-25 04:05:13 C 01 10 30.90 -06 24 40.7 r 703
2005-12-25 04:16:44 C 01 10 32.34 -06 24 30.2 r 703
2005-12-25 04:28:12 C 01 10 33.81 -06 24 20.0 r 703
2005-12-30 02:25:58 C 01 25 30.86 -04 41 04.6 o 699
2005-12-30 03:44:31 C 01 25 40.42 -04 39 56.8 o 699
2005-12-30 04:23:51 C 01 25 45.19 -04 39 22.3 o 699
2005-12-30 19:33:19 C 01 27 37.76 -04 26 19.9 c 434
2005-12-30 19:36:15 C 01 27 37.95 -04 26 17.5 c 434
2005-12-30 19:38:24 C 01 27 38.21 -04 26 16.4 c 434
2005-12-30 19:40:38 C 01 27 38.57 -04 26 14.7 c 434
2006-01-08 16:56:33 C 01 52 58.23 -01 28 18.8 r 084
2006-01-14 18:04:03 C 02 09 16.68 +00 25 43.4 r 084
2006-01-18 02:16:22 C 02 18 01.60 +01 26 10.7 o 644
2006-01-18 02:47:05 C 02 18 04.85 +01 26 33.5 o 644
2006-01-18 03:17:08 C 02 18 08.04 +01 26 55.8 o 644
2006-01-19 17:38:59 C 02 22 15.37 +01 55 05.1 r 084
2006-01-25 02:24:31 C 02 35 50.52 +03 26 32.8 o 644
2006-01-25 02:26:45 C 02 35 50.74 +03 26 34.0 o 644
2006-01-25 02:54:55 C 02 35 53.62 +03 26 53.5 o 644
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)