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
2019-07-25 06:42:02 C 12 36 55.892 +00 33 46.49 U F51
2020-09-24 11:53:42 C 07 52 55.95 +13 06 21.3 V 703
2020-09-24 12:00:02 C 07 52 56.43 +13 06 18.5 V 703
2020-09-24 12:12:41 C 07 52 57.54 +13 06 15.8 V 703
2020-10-03 13:53:36 C 08 09 28.46 +11 51 13.7 V T08
2020-10-03 13:58:16 C 08 09 28.86 +11 51 12.1 V T08
2020-10-03 14:08:14 C 08 09 29.59 +11 51 08.7 V T08
2020-10-03 14:32:11 C 08 09 31.27 +11 51 00.0 V T08
2020-10-05 11:02:58 C 08 12 39.88 +11 35 31.6 V 703
2020-10-05 11:10:45 C 08 12 40.49 +11 35 28.0 V 703
2020-10-05 11:18:32 C 08 12 40.95 +11 35 25.5 V 703
2020-10-05 11:26:20 C 08 12 41.52 +11 35 23.6 V 703
2020-10-05 13:59:17 C 08 12 52.26 +11 34 31.0 V T05
2020-10-05 14:04:34 C 08 12 52.57 +11 34 28.8 V T05
2020-10-05 14:12:31 C 08 12 53.24 +11 34 27.4 V T05
2020-10-05 14:31:46 C 08 12 54.50 +11 34 20.1 V T05
2020-10-06 11:30:41 C 08 14 21.38 +11 27 01.9 V 703
2020-10-06 11:39:09 C 08 14 22.12 +11 26 58.5 V 703
2020-10-06 11:47:37 C 08 14 22.70 +11 26 56.0 V 703
2020-10-06 11:56:04 C 08 14 23.25 +11 26 52.9 V 703
2020-10-13 11:22:12 C 08 25 19.40 +10 28 55.3 U I41
2020-10-13 12:06:12 C 08 25 22.08 +10 28 40.3 U I41
2020-10-14 10:36:33 C 08 26 44.84 +10 20 56.6 V 703
2020-10-14 10:44:09 C 08 26 45.31 +10 20 53.8 V 703
2020-10-14 10:51:46 C 08 26 45.78 +10 20 51.0 V 703
2020-10-14 10:59:21 C 08 26 46.29 +10 20 48.9 V 703
2020-10-15 11:27:10 C 08 28 14.72 +10 12 26.0 U I41
2020-10-15 12:19:53 C 08 28 17.82 +10 12 08.2 U I41
2020-10-16 12:08:00 C 08 29 42.31 +10 04 01.2 V G96
2020-10-16 12:13:28 C 08 29 42.62 +10 03 59.4 V G96
2020-10-16 12:18:55 C 08 29 42.93 +10 03 57.6 V G96
2020-10-16 12:24:24 C 08 29 43.26 +10 03 55.7 V G96
2020-10-17 10:10:44 C 08 30 59.43 +09 56 31.0 V 703
2020-10-17 10:18:23 C 08 30 59.85 +09 56 27.5 V 703
2020-10-17 10:26:00 C 08 31 00.22 +09 56 26.3 V 703
2020-10-17 10:33:37 C 08 31 00.65 +09 56 23.9 V 703
2020-10-19 11:26:38 C 08 33 46.66 +09 39 53.3 U I41
2020-10-19 12:21:10 C 08 33 49.64 +09 39 34.9 U I41
2020-10-20 10:21:07 C 08 35 02.26 +09 32 12.6 V 703
2020-10-20 10:28:40 C 08 35 02.71 +09 32 10.5 V 703
2020-10-20 10:36:14 C 08 35 03.09 +09 32 07.2 V 703
2020-10-20 10:43:47 C 08 35 03.48 +09 32 05.5 V 703
2020-10-20 13:57:05 C 08 35 14.05 +09 31 01.9 V T05
2020-10-20 14:01:43 C 08 35 14.28 +09 31 00.1 V T05
2020-10-20 14:11:39 C 08 35 14.80 +09 30 56.2 V T05
2020-10-20 14:29:28 C 08 35 15.75 +09 30 51.1 V T05
2020-10-21 11:36:48 C 08 36 23.98 +09 23 47.4 U I41
2020-10-21 12:13:33 C 08 36 25.90 +09 23 35.2 U I41
2020-10-22 19:27:43 C 08 38 04.59 +09 13 14.9 q D29
2020-10-22 19:48:05 C 08 38 05.53 +09 13 07.9 q D29
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)