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
2008-08-31 20:39:39 C 23 48 15.17 +18 19 48.6 r A98
2008-08-31 20:41:23 C 23 48 15.57 +18 19 47.2 r A98
2008-08-31 20:43:09 C 23 48 16.01 +18 19 45.0 r A98
2008-08-31 20:48:27 C 23 48 17.16 +18 19 40.0 r A98
2008-08-31 20:50:11 C 23 48 17.60 +18 19 38.2 r A98
2008-08-31 20:51:57 C 23 48 17.99 +18 19 36.5 r A98
2008-08-31 20:53:43 C 23 48 18.41 +18 19 34.4 r A98
2008-08-31 20:55:28 C 23 48 18.73 +18 19 33.2 r A98
2008-08-31 20:57:14 C 23 48 19.18 +18 19 31.5 r A98
2008-08-31 20:59:00 C 23 48 19.62 +18 19 29.5 r A98
2008-08-31 21:00:45 C 23 48 20.06 +18 19 27.3 r A98
2008-08-31 21:02:32 C 23 48 20.47 +18 19 25.7 r A98
2008-08-31 21:04:16 C 23 48 20.73 +18 19 24.4 r A98
2008-08-31 21:06:02 C 23 48 21.21 +18 19 22.5 r A98
2008-08-31 21:07:48 C 23 48 21.60 +18 19 20.7 r A98
2008-08-31 21:09:33 C 23 48 22.07 +18 19 18.6 r A98
2008-08-31 21:11:19 C 23 48 22.41 +18 19 17.1 r A98
2008-08-31 21:13:05 C 23 48 22.83 +18 19 15.4 r A98
2008-08-31 21:14:50 C 23 48 23.23 +18 19 13.6 r A98
2008-08-31 21:16:36 C 23 48 23.67 +18 19 11.9 r A98
2008-08-31 21:18:21 C 23 48 24.03 +18 19 10.2 r A98
2008-08-31 21:20:07 C 23 48 24.42 +18 19 08.4 r A98
2008-08-31 21:21:53 C 23 48 24.86 +18 19 06.4 r A98
2008-08-31 21:23:38 C 23 48 25.23 +18 19 04.8 r A98
2008-08-31 21:25:24 C 23 48 25.68 +18 19 02.8 r A98
2008-08-31 21:27:10 C 23 48 26.05 +18 19 01.4 r A98
2008-08-31 21:28:54 C 23 48 26.36 +18 19 00.7 r A98
2008-08-31 21:35:07 C 23 48 28.96 +18 19 07.1 o B40
2008-08-31 21:39:04 C 23 48 29.84 +18 19 03.3 o B40
2008-08-31 23:37:08 C 23 48 56.39 +18 17 05.1 o B40
2008-08-31 23:39:02 C 23 48 56.81 +18 17 03.1 o B40
2008-09-01 03:10:17 C 23 49 49.56 +18 13 17.7 r H53
2008-09-01 03:11:22 C 23 49 49.82 +18 13 16.6 r H53
2008-09-01 03:12:37 C 23 49 50.10 +18 13 15.5 r H53
2008-09-01 03:13:45 C 23 49 50.35 +18 13 14.3 r H53
2008-09-01 03:14:51 C 23 49 50.62 +18 13 13.1 r H53
2008-09-01 03:16:08 C 23 49 50.91 +18 13 12.1 r H53
2008-09-01 20:57:25 C 23 54 03.73 +17 54 01.1 r B42
2008-09-01 20:58:50 C 23 54 04.09 +17 53 59.4 r B42
2008-09-01 21:01:08 C 23 54 04.59 +17 53 57.0 r B42
2008-09-01 21:02:45 C 23 54 04.96 +17 53 55.3 r B42
2008-09-01 21:04:54 C 23 54 05.48 +17 53 52.8 r B42
2008-09-01 21:08:24 C 23 54 06.27 +17 53 49.1 r B42
2008-09-02 00:25:23 C 23 54 53.17 +17 50 12.6 o J41
2008-09-02 00:54:04 C 23 54 59.75 +17 49 40.9 o J41
2008-09-02 01:23:18 C 23 55 06.44 +17 49 08.3 o J41
2008-09-02 02:45:35 C 23 55 29.29 +17 47 41.5 r H53
2008-09-02 02:46:45 C 23 55 29.55 +17 47 40.4 r H53
2008-09-02 02:47:53 C 23 55 29.83 +17 47 39.5 r H53
2008-09-02 02:48:59 C 23 55 30.07 +17 47 37.9 r H53
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)