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
2017-12-10 20:02:13 C 08 21 33.45 +05 09 32.0 q D29
2017-12-10 20:27:40 C 08 21 32.63 +05 09 31.2 q D29
2017-12-11 12:00:00 C 08 21 03.69 +05 09 09.3 U T05
2017-12-11 12:10:16 C 08 21 03.36 +05 09 09.3 U T05
2017-12-11 12:20:29 C 08 21 03.01 +05 09 08.9 U T05
2017-12-11 12:30:41 C 08 21 02.65 +05 09 08.5 U T05
2017-12-13 11:39:16 C 08 19 27.67 +05 08 39.0 U T08
2017-12-13 11:49:31 C 08 19 27.30 +05 08 38.9 U T08
2017-12-13 11:59:45 C 08 19 26.91 +05 08 38.7 U T08
2017-12-13 12:09:58 C 08 19 26.54 +05 08 38.7 U T08
2017-12-15 09:16:10 C 08 17 46.93 +05 09 07.2 U 703
2017-12-15 09:23:47 C 08 17 46.64 +05 09 07.4 U 703
2017-12-15 09:31:24 C 08 17 46.33 +05 09 07.8 U 703
2017-12-15 09:39:00 C 08 17 46.01 +05 09 07.8 U 703
2017-12-16 08:24:37 C 08 16 52.82 +05 09 45.4 U G96
2017-12-16 08:32:06 C 08 16 52.47 +05 09 45.4 U G96
2017-12-16 08:39:35 C 08 16 52.19 +05 09 45.5 U G96
2017-12-16 08:47:05 C 08 16 51.88 +05 09 46.0 U G96
2017-12-17 02:06:06 C 08 16 09.76 +05 10 23.4 q 160
2017-12-17 02:08:42 C 08 16 09.66 +05 10 23.5 q 160
2017-12-17 02:11:16 C 08 16 09.54 +05 10 23.3 q 160
2017-12-18 00:58:44 C 08 15 12.74 +05 11 26.7 16.9 q 160
2017-12-18 01:01:45 C 08 15 12.60 +05 11 26.8 17.0 q 160
2017-12-18 01:04:47 C 08 15 12.49 +05 11 26.6 16.7 q 160
2017-12-18 02:12:08 C 08 15 09.63 +05 11 32.3 17.3 q J43
2017-12-18 02:24:40 C 08 15 09.08 +05 11 32.9 17.4 q J43
2017-12-18 02:37:08 C 08 15 08.53 +05 11 33.5 17.4 q J43
2017-12-18 02:49:38 C 08 15 07.97 +05 11 34.2 17.3 q J43
2017-12-19 01:47:57 C 08 14 08.64 +05 12 54.4 17.5 q J43
2017-12-19 01:48:27 C 08 14 08.47 +05 12 52.7 q 160
2017-12-19 01:51:23 C 08 14 08.31 +05 12 52.9 q 160
2017-12-19 01:54:19 C 08 14 08.27 +05 12 52.5 q 160
2017-12-19 02:00:16 C 08 14 08.07 +05 12 55.2 17.5 q J43
2017-12-19 02:12:38 C 08 14 07.50 +05 12 56.0 17.5 q J43
2017-12-19 02:24:57 C 08 14 06.94 +05 12 56.7 17.6 q J43
2017-12-21 00:56:48 C 08 12 00.74 +05 16 23.7 q 160
2017-12-21 00:59:46 C 08 12 00.59 +05 16 24.4 q 160
2017-12-21 01:02:44 C 08 12 00.48 +05 16 24.6 q 160
2017-12-22 08:47:01 C 08 10 30.32 +05 19 23.8 U 703
2017-12-22 08:54:38 C 08 10 29.94 +05 19 24.6 U 703
2017-12-22 09:02:14 C 08 10 29.58 +05 19 25.2 U 703
2017-12-22 09:09:50 C 08 10 29.18 +05 19 26.0 U 703
2017-12-23 11:08:20 C 08 09 13.14 +05 22 14.6 U T05
2017-12-23 11:20:00 C 08 09 12.55 +05 22 16.0 U T05
2017-12-23 11:31:29 C 08 09 11.96 +05 22 17.4 U T05
2017-12-23 11:43:12 C 08 09 11.35 +05 22 18.8 U T05
2017-12-24 01:27:33 C 08 08 30.13 +05 23 52.0 17.3 q 160
2017-12-24 01:29:53 C 08 08 30.00 +05 23 52.3 17.3 q 160
2017-12-24 01:32:13 C 08 08 29.88 +05 23 52.4 17.3 q 160
2017-12-24 09:55:07 C 08 08 04.49 +05 24 55.1 U G96
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)