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
2020-11-26 06:36:25 C 09 03 41.85 +05 32 29.6 o W92
2020-11-26 14:50:26 C 09 03 45.36 +05 30 57.9 V T05
2020-11-26 15:10:10 C 09 03 45.47 +05 30 54.8 V T05
2020-11-26 15:16:43 C 09 03 45.56 +05 30 53.3 V T05
2020-11-26 15:46:45 C 09 03 45.67 +05 30 48.3 V T05
2020-11-28 11:29:35 C 09 04 00.79 +05 23 33.5 V T08
2020-11-28 11:33:33 C 09 04 00.77 +05 23 33.3 V T08
2020-11-28 11:47:29 C 09 04 00.80 +05 23 30.3 V T08
2020-11-28 12:04:45 C 09 04 00.87 +05 23 27.0 V T08
2020-11-30 12:19:35 C 09 04 08.53 +05 16 09.6 V T05
2020-11-30 12:27:33 C 09 04 08.48 +05 16 09.6 V T05
2020-11-30 12:39:29 C 09 04 08.42 +05 16 07.8 V T05
2020-11-30 12:51:25 C 09 04 08.54 +05 16 06.5 V T05
2020-12-01 13:40:40 C 09 04 08.80 +05 12 38.3 V T08
2020-12-01 13:45:19 C 09 04 08.80 +05 12 37.6 V T08
2020-12-01 13:49:23 C 09 04 08.78 +05 12 37.4 V T08
2020-12-01 13:59:22 C 09 04 08.77 +05 12 35.9 V T08
2020-12-02 11:14:30 C 09 04 07.21 +05 09 46.8 U I41
2020-12-02 11:40:06 C 09 04 07.13 +05 09 43.7 U I41
2020-12-03 12:42:32 C 09 04 03.14 +05 06 39.1 V T05
2020-12-03 12:49:49 C 09 04 03.10 +05 06 39.0 V T05
2020-12-03 12:53:08 C 09 04 03.08 +05 06 38.4 V T05
2020-12-03 13:08:58 C 09 04 03.00 +05 06 36.5 V T05
2020-12-04 10:35:44 C 09 03 57.43 +05 04 05.9 U I41
2020-12-04 12:07:24 C 09 03 56.82 +05 03 55.9 U I41
2020-12-07 11:55:53 C 09 03 24.85 +04 56 53.7 V T05
2020-12-07 12:12:27 C 09 03 24.66 +04 56 52.5 V T05
2020-12-07 12:16:29 C 09 03 24.64 +04 56 52.0 V T05
2020-12-07 12:36:31 C 09 03 24.40 +04 56 50.0 V T05
2020-12-09 12:12:22 C 09 02 51.61 +04 53 12.9 V T08
2020-12-09 12:23:00 C 09 02 51.44 +04 53 12.4 V T08
2020-12-09 12:25:40 C 09 02 51.43 +04 53 12.1 V T08
2020-12-09 13:16:54 C 09 02 50.66 +04 53 09.0 V T08
2020-12-11 08:22:11 C 09 02 13.11 +04 50 36.7 U I41
2020-12-11 10:33:41 C 09 02 10.81 +04 50 30.3 U I41
2020-12-11 11:32:08 C 09 02 09.78 +04 50 27.5 U I41
2020-12-11 13:11:20 C 09 02 08.27 +04 50 23.9 V T05
2020-12-11 13:13:58 C 09 02 08.21 +04 50 24.0 V T05
2020-12-11 13:18:37 C 09 02 08.12 +04 50 24.2 V T05
2020-12-11 13:26:00 C 09 02 07.99 +04 50 23.6 V T05
2020-12-13 10:35:11 C 09 01 19.59 +04 48 36.8 U I41
2020-12-13 11:36:55 C 09 01 18.29 +04 48 35.0 U I41
2020-12-13 14:33:25 C 09 01 14.83 +04 48 32.1 V T08
2020-12-13 15:24:30 C 09 01 13.74 +04 48 30.3 V T08
2020-12-13 15:34:37 C 09 01 13.50 +04 48 30.0 V T08
2020-12-13 15:42:44 C 09 01 13.34 +04 48 29.4 V T08
2020-12-20 09:27:41 C 08 57 11.19 +04 49 27.2 V G96
2020-12-20 09:35:07 C 08 57 10.96 +04 49 27.6 V G96
2020-12-20 09:42:33 C 08 57 10.72 +04 49 27.8 V G96
2020-12-20 09:49:58 C 08 57 10.49 +04 49 28.1 V 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)