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
2023-12-14 14:21:45 C 09 33 06.936 +04 08 41.57 V T05
2023-12-14 14:48:18 C 09 33 06.665 +04 08 39.98 V T05
2023-12-16 12:08:57 C 09 32 40.267 +04 06 42.73 V T08
2023-12-16 12:40:48 C 09 32 39.881 +04 06 42.23 V T08
2023-12-16 12:50:00 C 09 32 39.778 +04 06 41.87 V T08
2023-12-16 13:00:34 C 09 32 39.605 +04 06 40.57 V T08
2023-12-17 06:54:45 C 09 32 27.067 +04 06 13.28 V W68
2023-12-17 06:59:18 C 09 32 26.993 +04 06 13.32 V W68
2023-12-17 07:03:51 C 09 32 26.950 +04 06 13.68 V W68
2023-12-17 07:11:51 C 09 32 26.834 +04 06 12.28 V W68
2023-12-17 12:27:04 C 09 32 22.957 +04 05 59.52 X F51
2023-12-17 12:43:27 C 09 32 22.728 +04 05 59.10 X F51
2023-12-17 12:59:48 C 09 32 22.500 +04 05 58.68 X F51
2023-12-17 13:16:14 C 09 32 22.266 +04 05 58.29 X F51
2023-12-21 05:51:15 C 09 31 01.121 +04 05 18.60 V W68
2023-12-21 05:54:33 C 09 31 01.054 +04 05 18.74 V W68
2023-12-21 05:58:30 C 09 31 00.953 +04 05 18.17 V W68
2023-12-21 06:11:34 C 09 31 00.732 +04 05 18.85 V W68
2023-12-23 00:09:43 C 09 30 12.382 +04 06 01.37 V M22
2023-12-23 00:16:06 C 09 30 12.252 +04 06 01.37 V M22
2023-12-23 00:21:59 C 09 30 12.163 +04 06 01.80 V M22
2023-12-23 00:29:48 C 09 30 11.983 +04 06 01.66 V M22
2023-12-26 11:05:25 C 09 28 18.766 +04 09 23.33 V T05
2023-12-26 11:36:32 C 09 28 17.990 +04 09 24.80 V T05
2023-12-26 11:39:08 C 09 28 17.904 +04 09 24.73 V T05
2023-12-26 11:43:41 C 09 28 17.794 +04 09 24.66 V T05
2024-01-02 07:58:43 C 09 23 22.855 +04 24 29.81 V W68
2024-01-02 08:06:36 C 09 23 22.546 +04 24 30.82 V W68
2024-01-02 08:11:53 C 09 23 22.382 +04 24 31.90 V W68
2024-01-02 08:20:28 C 09 23 22.070 +04 24 32.11 V W68
2024-01-03 11:33:44 C 09 22 24.939 +04 27 59.84 X F51
2024-01-03 11:53:03 C 09 22 24.216 +04 28 02.47 X F51
2024-01-03 12:31:57 C 09 22 22.760 +04 28 07.75 X F51
2024-01-05 11:57:45 C 09 20 37.344 +04 35 02.00 V T08
2024-01-05 12:00:25 C 09 20 37.250 +04 35 02.08 V T08
2024-01-05 12:31:02 C 09 20 35.990 +04 35 07.19 V T08
2024-01-05 12:35:14 C 09 20 35.832 +04 35 07.48 V T08
2024-01-07 11:48:59 C 09 18 44.266 +04 42 53.24 V T05
2024-01-07 11:53:01 C 09 18 44.114 +04 42 54.43 V T05
2024-01-07 11:57:34 C 09 18 43.932 +04 42 55.22 V T05
2024-01-07 12:33:35 C 09 18 42.372 +04 43 01.31 V T05
2024-01-07 17:26:11 C 09 18 30.598 +04 43 56.28 V P07
2024-01-07 17:26:47 C 09 18 30.600 +04 43 57.40 V P07
2024-01-07 18:03:53 C 09 18 29.021 +04 44 03.70 V P07
2024-01-07 18:49:26 C 09 18 27.096 +04 44 12.05 V P07
2024-01-07 20:17:11 C 09 18 23.350 +04 44 27.38 V P07
2024-01-10 07:11:29 C 09 15 54.312 +04 55 33.35 V W68
2024-01-10 07:27:36 C 09 15 53.592 +04 55 36.37 V W68
2024-01-10 08:02:50 C 09 15 52.044 +04 55 43.97 V W68
2024-01-10 08:10:28 C 09 15 51.701 +04 55 45.37 V W68
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)