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
2025-04-15 18:04:36 C 13 18 09.614 -02 17 23.38 W O18
2025-04-16 16:42:40 C 13 17 08.733 -02 09 05.37 W O18
2025-04-16 17:34:31 C 13 17 06.324 -02 08 46.50 W O18
2025-04-17 16:42:35 C 13 16 04.178 -02 00 21.31 W O18
2025-04-17 17:34:23 C 13 16 01.793 -02 00 02.57 W O18
2025-04-21 05:05:37 C 13 12 19.314 -01 30 15.59 V G96
2025-04-21 05:13:38 C 13 12 18.954 -01 30 12.92 V G96
2025-04-21 05:21:40 C 13 12 18.590 -01 30 09.94 V G96
2025-04-21 05:29:41 C 13 12 18.223 -01 30 07.16 V G96
2025-04-22 04:02:16 C 13 11 18.816 -01 22 11.82 V W68
2025-04-22 04:08:49 C 13 11 18.502 -01 22 09.19 V W68
2025-04-22 04:18:43 C 13 11 18.084 -01 22 05.92 V W68
2025-04-22 05:08:20 C 13 11 15.881 -01 21 49.14 V W68
2025-04-23 15:48:07 C 13 09 45.696 -01 10 02.35 W O18
2025-04-23 16:39:59 C 13 09 43.391 -01 09 44.77 W O18
2025-04-23 17:31:44 C 13 09 41.104 -01 09 27.35 W O18
2025-04-27 09:20:13 C 13 05 58.354 -00 40 32.81 V T05
2025-04-27 09:24:47 C 13 05 58.234 -00 40 31.26 V T05
2025-04-27 09:34:10 C 13 05 57.811 -00 40 28.70 V T05
2025-04-27 10:24:35 C 13 05 55.589 -00 40 12.18 V T05
2025-04-27 16:44:33 C 13 05 40.042 -00 38 13.35 W O18
2025-04-27 17:36:28 C 13 05 37.856 -00 37 56.70 W O18
2025-04-27 22:28:10 C 13 05 25.891 -00 36 18.76 V M22
2025-04-27 22:32:44 C 13 05 25.745 -00 36 16.02 V M22
2025-04-27 22:46:47 C 13 05 25.070 -00 36 13.36 V M22
2025-04-27 23:19:40 C 13 05 23.659 -00 36 02.92 V M22
2025-04-28 06:53:35 C 13 05 05.208 -00 33 45.58 V G96
2025-04-28 07:00:57 C 13 05 04.902 -00 33 43.20 V G96
2025-04-28 07:08:18 C 13 05 04.589 -00 33 40.79 V G96
2025-04-28 07:15:40 C 13 05 04.276 -00 33 38.63 V G96
2025-04-29 16:13:28 C 13 03 44.504 -00 23 28.76 W O18
2025-04-29 17:05:24 C 13 03 42.368 -00 23 12.92 W O18
2025-04-29 17:57:45 C 13 03 40.205 -00 22 56.79 W O18
2025-04-30 16:48:19 C 13 02 46.046 -00 16 05.03 W O18
2025-04-30 17:40:25 C 13 02 43.928 -00 15 49.50 W O18
2025-05-01 09:27:46 C 13 02 07.027 -00 11 08.59 V T05
2025-05-01 09:32:22 C 13 02 06.828 -00 11 07.58 V T05
2025-05-01 09:33:40 C 13 02 06.766 -00 11 07.26 V T05
2025-05-01 09:39:33 C 13 02 06.595 -00 11 04.92 V T05
2025-05-01 09:40:52 C 13 02 06.530 -00 11 04.99 V T05
2025-05-01 10:10:33 C 13 02 05.328 -00 10 55.45 V T05
2025-05-01 15:55:29 C 13 01 52.099 -00 09 17.26 W O18
2025-05-01 16:47:15 C 13 01 50.048 -00 09 02.10 W O18
2025-05-01 17:39:11 C 13 01 47.981 -00 08 46.84 W O18
2025-05-21 05:12:40 C 12 47 51.929 +01 30 55.26 V G96
2025-05-21 05:20:54 C 12 47 51.734 +01 30 56.05 V G96
2025-05-21 05:29:09 C 12 47 51.576 +01 30 57.28 V G96
2025-05-21 05:37:22 C 12 47 51.392 +01 30 58.32 V G96
2025-05-29 21:25:42 C 12 44 43.973 +01 50 25.98 V R17
2025-05-29 21:46:05 C 12 44 43.745 +01 50 26.45 V R17
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)