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
2018-02-09 06:01:05 C 07 11 33.50 +10 43 04.0 U I41
2018-02-11 05:18:21 C 07 10 19.84 +10 58 15.6 U I41
2018-02-11 05:32:08 C 07 10 19.49 +10 58 20.0 U I41
2018-02-11 06:01:08 C 07 10 18.73 +10 58 29.2 U I41
2018-02-12 11:02:43 C 07 09 37.63 +11 07 42.1 U T08
2018-02-12 11:21:46 C 07 09 37.14 +11 07 48.4 U T08
2018-02-12 11:40:58 C 07 09 36.68 +11 07 54.1 U T08
2018-02-12 12:00:13 C 07 09 36.23 +11 07 59.4 U T08
2018-02-21 03:27:06 C 07 06 19.49 +12 10 08.6 U G96
2018-02-21 03:35:38 C 07 06 19.39 +12 10 11.0 U G96
2018-02-21 03:44:11 C 07 06 19.30 +12 10 13.4 U G96
2018-02-21 03:52:44 C 07 06 19.21 +12 10 15.8 U G96
2018-02-22 12:14:14 C 07 06 03.25 +12 19 20.2 q D29
2018-02-22 12:34:36 C 07 06 03.02 +12 19 25.9 q D29
2018-02-22 12:54:57 C 07 06 02.84 +12 19 31.5 q D29
2018-03-16 02:39:26 C 07 09 42.85 +14 18 32.4 U G96
2018-03-16 02:46:50 C 07 09 42.99 +14 18 33.8 U G96
2018-03-16 02:54:15 C 07 09 43.13 +14 18 35.0 U G96
2018-03-16 03:01:41 C 07 09 43.26 +14 18 36.4 U G96
2018-05-09 03:25:41 C 08 01 02.30 +15 39 46.9 U G96
2018-05-09 03:33:52 C 08 01 02.78 +15 39 46.8 U G96
2018-05-09 03:42:05 C 08 01 03.16 +15 39 46.1 U G96
2018-05-09 03:50:17 C 08 01 03.61 +15 39 45.4 U G96
2019-03-05 09:25:23 C 13 05 30.21 -04 51 05.8 V 703
2019-03-05 09:32:59 C 13 05 30.00 -04 51 03.3 V 703
2019-03-05 09:40:36 C 13 05 29.84 -04 51 01.1 V 703
2019-03-05 09:48:12 C 13 05 29.58 -04 50 59.4 V 703
2019-03-07 18:52:34 C 13 03 51.25 -04 34 47.3 q D29
2019-03-07 19:12:56 C 13 03 50.63 -04 34 41.4 q D29
2019-03-07 19:33:18 C 13 03 50.01 -04 34 35.3 q D29
2019-03-09 00:59:10 C 13 02 56.20 -04 25 52.0 V C95
2019-03-09 01:09:47 C 13 02 56.13 -04 25 51.4 V C95
2019-03-09 01:20:23 C 13 02 55.83 -04 25 48.9 V C95
2019-03-18 05:53:13 C 12 55 18.20 -03 14 40.6 V G96
2019-03-18 06:00:38 C 12 55 17.91 -03 14 38.6 V G96
2019-03-18 06:08:02 C 12 55 17.64 -03 14 35.9 V G96
2019-03-18 06:15:28 C 12 55 17.31 -03 14 33.4 V G96
2019-03-25 16:39:02 C 12 48 10.34 -02 11 14.3 q D29
2019-03-25 16:59:24 C 12 48 09.46 -02 11 07.5 q D29
2019-03-25 17:19:45 C 12 48 08.58 -02 10 59.3 q D29
2019-03-29 09:04:02 C 12 44 26.74 -01 38 50.4 V 703
2019-03-29 09:11:38 C 12 44 26.35 -01 38 47.5 V 703
2019-03-29 09:19:13 C 12 44 26.07 -01 38 44.1 V 703
2019-03-29 09:26:47 C 12 44 25.71 -01 38 39.8 V 703
2019-04-01 05:53:43 C 12 41 29.75 -01 13 26.2 V 703
2019-04-01 06:12:40 C 12 41 28.96 -01 13 21.0 V 703
2019-04-01 06:22:08 C 12 41 28.68 -01 13 19.3 V 703
2019-04-01 07:48:22 C 12 41 24.81 -01 12 44.9 o 691
2019-04-01 08:01:33 C 12 41 24.23 -01 12 40.0 o 691
2019-04-01 08:14:34 C 12 41 23.64 -01 12 35.0 o 691
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)