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
2005-07-13 23:19:20 C 17 14 16.87 +00 36 32.2 r 557
2005-07-14 20:29:25 C 17 13 22.99 +00 34 16.6 r A30
2005-07-14 20:32:26 C 17 13 22.85 +00 34 16.3 r A30
2005-07-14 20:59:22 C 17 13 21.62 +00 34 13.1 r A30
2005-07-14 21:00:51 C 17 13 21.55 +00 34 13.0 r A30
2005-07-14 21:31:54 C 17 13 20.16 +00 34 09.4 r 203
2005-07-14 21:51:46 C 17 13 19.24 +00 34 07.5 c 560
2005-07-14 21:54:02 C 17 13 19.14 +00 34 07.3 c 560
2005-07-14 21:55:44 C 17 13 19.06 +00 34 07.1 c 560
2005-07-14 22:01:00 C 17 13 18.85 +00 34 05.9 r 203
2005-07-15 12:13:31 C 17 12 42.64 +00 32 27.0 15.9 c 608
2005-07-15 12:28:47 C 17 12 42.01 +00 32 25.3 16.2 c 608
2005-07-15 12:45:09 C 17 12 41.30 +00 32 22.7 16.2 c 608
2005-07-24 23:25:05 C 17 05 20.96 -00 18 08.0 r J97
2005-07-24 23:27:53 C 17 05 20.86 -00 18 08.9 r J97
2005-07-28 05:05:54 C 17 03 51.37 -00 44 31.8 15.6 c 704
2005-07-28 05:22:11 C 17 03 51.06 -00 44 38.8 16.2 c 704
2005-07-28 05:38:24 C 17 03 50.75 -00 44 45.3 16.7 c 704
2005-07-28 05:54:40 C 17 03 50.43 -00 44 50.6 16.2 c 704
2005-07-28 06:10:55 C 17 03 50.07 -00 44 57.0 16.9 c 704
2005-08-01 20:51:24 C 17 02 44.36 -01 30 12.6 r 084
2005-08-01 20:54:31 C 17 02 44.32 -01 30 14.0 r 084
2005-08-02 20:28:29 C 17 02 40.36 -01 40 51.3 r 170
2005-08-02 20:39:36 C 17 02 40.30 -01 40 56.4 r 170
2005-08-07 02:27:29 C 17 03 02.68 -02 31 03.0 c I06
2005-08-07 03:18:14 C 17 03 02.98 -02 31 29.4 c I06
2005-08-07 04:54:45 C 17 03 03.68 -02 32 20.0 c I06
2005-08-07 23:28:22 C 17 03 15.62 -02 42 10.9 c J93
2005-08-07 23:31:25 C 17 03 15.65 -02 42 12.1 c J93
2005-08-07 23:34:28 C 17 03 15.68 -02 42 14.0 c J93
2005-08-08 21:02:57 C 17 03 32.24 -02 53 51.8 r 084
2005-08-08 21:06:05 C 17 03 32.28 -02 53 53.5 r 084
2005-08-09 20:26:51 C 17 03 53.85 -03 06 45.3 r 185
2005-08-09 20:30:32 C 17 03 53.90 -03 06 47.4 r 185
2005-08-09 20:49:19 C 17 03 54.13 -03 06 57.6 r 185
2005-08-11 07:59:32 C 17 04 33.04 -03 26 49.4 16.0 c 608
2005-08-11 08:15:12 C 17 04 33.31 -03 26 58.4 16.1 c 608
2005-08-11 08:31:03 C 17 04 33.56 -03 27 07.6 16.1 c 608
2005-08-13 08:49:01 C 17 05 41.84 -03 55 16.7 r E14
2005-08-13 08:55:41 C 17 05 41.99 -03 55 20.6 r E14
2005-08-15 23:42:27 C 17 07 32.27 -04 34 19.7 c J93
2005-08-15 23:50:34 C 17 07 32.53 -04 34 24.2 c J93
2005-08-15 23:56:29 C 17 07 32.78 -04 34 27.8 c J93
2005-08-18 01:13:16 C 17 09 18.91 -05 05 56.1 c I06
2005-08-18 02:19:02 C 17 09 21.20 -05 06 38.8 c I06
2005-08-18 02:45:05 C 17 09 22.14 -05 06 55.5 c I06
2005-08-18 19:32:12 C 17 10 02.31 -05 17 56.6 r 084
2005-08-18 19:35:19 C 17 10 02.40 -05 17 58.2 r 084
2005-08-19 19:49:55 C 17 11 03.35 -05 33 59.9 r 084
2005-08-20 19:41:43 C 17 12 07.27 -05 49 59.6 r 084
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)