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
2012-01-23 21:12:29 C 05 13 06.13 +08 11 12.7 c A24
2012-01-24 21:31:27 C 05 13 13.60 +08 21 09.9 c A24
2012-01-24 21:32:30 C 05 13 13.62 +08 21 10.4 c A24
2012-01-25 07:02:49 C 05 13 16.89 +08 25 05.0 r 703
2012-01-25 07:15:31 C 05 13 16.93 +08 25 09.8 r 703
2012-01-25 07:28:14 C 05 13 17.04 +08 25 14.2 r 703
2012-01-25 07:41:14 C 05 13 17.07 +08 25 19.0 r 703
2012-01-25 20:31:31 C 05 13 22.88 +08 30 32.4 c A24
2012-01-25 20:32:34 C 05 13 22.89 +08 30 33.1 c A24
2012-01-25 21:40:23 C 05 13 23.28 +08 31 00.5 c A24
2012-01-25 21:41:25 C 05 13 23.27 +08 31 00.8 c A24
2012-01-26 20:25:18 C 05 13 34.56 +08 40 14.1 c A24
2012-01-26 20:26:19 C 05 13 34.57 +08 40 14.5 c A24
2012-01-26 21:23:31 C 05 13 34.98 +08 40 37.6 c A24
2012-01-26 21:24:33 C 05 13 34.97 +08 40 37.9 c A24
2012-02-06 20:23:23 C 05 17 56.89 +10 23 10.7 17.6 c I69
2012-02-06 20:40:03 C 05 17 57.25 +10 23 17.1 17.4 c I69
2012-02-06 20:56:45 C 05 17 57.61 +10 23 23.4 17.5 c I69
2012-02-06 21:13:28 C 05 17 58.01 +10 23 29.5 17.6 c I69
2012-02-10 06:51:47 C 05 20 03.802 +10 53 25.89 L F51
2012-02-10 07:08:55 C 05 20 04.246 +10 53 32.09 L F51
2012-02-14 19:36:38 C 05 23 19.75 +11 31 38.6 c A24
2012-02-14 19:38:42 C 05 23 19.85 +11 31 39.2 c A24
2012-02-14 20:01:55 C 05 23 20.58 +11 31 47.2 c A24
2012-02-14 20:25:39 C 05 23 21.31 +11 31 55.3 c A24
2012-02-14 20:48:52 C 05 23 22.05 +11 32 03.0 c A24
2012-02-14 20:50:57 C 05 23 22.08 +11 32 04.2 c A24
2012-02-15 20:19:32 C 05 24 08.49 +11 40 03.8 c A24
2012-02-15 20:21:36 C 05 24 08.54 +11 40 04.8 c A24
2012-02-16 19:18:27 C 05 24 55.28 +11 47 49.1 c A24
2012-02-16 19:20:30 C 05 24 55.35 +11 47 49.3 c A24
2012-02-16 19:43:01 C 05 24 56.06 +11 47 56.0 c A24
2012-02-16 20:06:01 C 05 24 56.81 +11 48 05.2 c A24
2012-02-16 21:42:38 C 05 25 00.06 +11 48 36.9 d B66
2012-02-16 22:44:30 C 05 25 02.17 +11 48 57.4 d B66
2012-02-17 19:21:38 C 05 25 45.50 +11 55 49.3 c A24
2012-02-17 19:23:43 C 05 25 45.60 +11 55 49.9 c A24
2012-02-17 19:46:12 C 05 25 46.37 +11 55 57.4 c A24
2012-02-17 20:09:12 C 05 25 47.14 +11 56 04.9 c A24
2012-02-17 20:31:42 C 05 25 47.89 +11 56 12.5 c A24
2012-02-17 20:33:46 C 05 25 47.99 +11 56 13.1 c A24
2012-02-21 03:46:48 C 05 28 43.28 +12 21 53.9 18.6 c 704
2012-02-21 04:04:02 C 05 28 43.95 +12 21 58.5 19.1 c 704
2012-02-21 04:38:33 C 05 28 45.26 +12 22 09.5 19.3 c 704
2012-02-21 04:55:47 C 05 28 45.89 +12 22 14.6 19.1 c 704
2012-02-21 20:00:58 C 05 29 21.00 +12 27 00.2 c A24
2012-02-21 20:02:00 C 05 29 21.07 +12 27 00.1 c A24
2012-02-21 20:03:02 C 05 29 21.09 +12 27 00.7 c A24
2012-02-21 20:04:05 C 05 29 21.04 +12 27 00.7 c A24
2012-02-22 18:39:21 C 05 30 14.58 +12 34 03.2 c A24
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)