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
2008-12-20 20:50:47 C 03 16 49.46 -01 53 49.1 r B60
2008-12-20 21:16:41 C 03 16 50.24 -01 53 32.1 r B60
2008-12-20 21:32:24 C 03 16 50.64 -01 53 20.6 c A24
2008-12-20 21:33:50 C 03 16 50.69 -01 53 19.7 c A24
2008-12-20 21:34:38 C 03 16 50.76 -01 53 20.4 r B60
2008-12-20 21:51:02 C 03 16 51.26 -01 53 09.5 r B60
2008-12-20 21:54:00 C 03 16 51.29 -01 53 06.5 c A24
2008-12-20 22:15:37 C 03 16 51.94 -01 52 52.4 c A24
2008-12-20 22:35:49 C 03 16 52.53 -01 52 39.2 c A24
2008-12-20 22:37:14 C 03 16 52.58 -01 52 38.4 c A24
2008-12-26 20:22:41 C 03 21 49.93 -00 20 57.8 r 240
2008-12-26 20:23:45 C 03 21 49.96 -00 20 56.9 r 240
2008-12-26 20:24:48 C 03 21 49.99 -00 20 56.3 r 240
2008-12-26 20:25:52 C 03 21 50.03 -00 20 55.5 r 240
2008-12-26 20:29:04 C 03 21 50.15 -00 20 53.6 r 240
2008-12-26 20:31:11 C 03 21 50.21 -00 20 52.2 r 240
2008-12-26 20:34:22 C 03 21 50.31 -00 20 50.2 r 240
2008-12-30 01:58:29 C 03 24 50.29 +00 28 43.5 r H53
2008-12-30 02:02:55 C 03 24 50.46 +00 28 46.0 r H53
2008-12-30 02:06:55 C 03 24 50.61 +00 28 49.0 r H53
2008-12-30 02:10:55 C 03 24 50.73 +00 28 51.4 r H53
2008-12-30 02:14:55 C 03 24 50.89 +00 28 53.6 r H53
2008-12-30 02:18:55 C 03 24 51.05 +00 28 56.6 r H53
2008-12-30 04:01:15 C 03 24 55.11 +00 30 02.2 r 703
2008-12-30 04:10:44 C 03 24 55.44 +00 30 08.3 r 703
2008-12-30 04:20:14 C 03 24 55.80 +00 30 14.3 r 703
2008-12-30 04:29:47 C 03 24 56.16 +00 30 20.5 r 703
2008-12-31 04:31:35 C 03 25 54.49 +00 45 36.2 17.2 c 704
2008-12-31 04:49:26 C 03 25 55.17 +00 45 47.5 17.2 c 704
2008-12-31 05:06:58 C 03 25 55.86 +00 45 58.7 17.4 c 704
2008-12-31 05:24:32 C 03 25 56.51 +00 46 09.6 17.6 c 704
2008-12-31 05:41:53 C 03 25 57.20 +00 46 20.7 17.5 c 704
2009-01-03 01:29:59 C 03 28 48.68 +01 29 00.5 r H53
2009-01-03 01:34:01 C 03 28 48.82 +01 29 02.8 r H53
2009-01-03 01:37:01 C 03 28 48.96 +01 29 05.1 r H53
2009-01-03 01:40:02 C 03 28 49.09 +01 29 07.1 r H53
2009-01-03 01:43:01 C 03 28 49.26 +01 29 08.6 r H53
2009-01-03 01:46:01 C 03 28 49.31 +01 29 10.8 r H53
2009-01-04 07:42:34 C 03 30 07.09 +01 47 50.1 o G58
2009-01-04 07:46:36 C 03 30 07.26 +01 47 52.3 o G58
2009-01-04 07:50:36 C 03 30 07.41 +01 47 55.0 o G58
2009-01-05 19:47:02 C 03 31 44.08 +02 10 06.4 r B60
2009-01-05 19:54:44 C 03 31 44.41 +02 10 11.3 r B60
2009-01-05 20:01:48 C 03 31 44.71 +02 10 15.6 r B60
2009-01-05 20:03:35 C 03 31 44.80 +02 10 16.9 r B60
2009-01-05 20:10:17 C 03 31 45.09 +02 10 21.0 r B60
2009-01-05 20:17:00 C 03 31 45.36 +02 10 25.0 r B60
2009-01-12 22:32:45 C 03 39 51.11 +03 52 53.0 r B67
2009-01-12 22:38:17 C 03 39 51.41 +03 52 55.9 r B67
2009-01-12 22:43:56 C 03 39 51.68 +03 52 59.4 r B67
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)