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
2019-04-03 10:17:44 C 12 39 14.254 -00 54 10.27 U F51
2019-04-03 10:39:31 C 12 39 13.284 -00 54 02.31 U F51
2019-04-04 15:20:46 C 12 37 59.21 -00 43 33.3 q D29
2019-04-04 15:41:08 C 12 37 58.25 -00 43 26.0 q D29
2019-04-04 16:01:30 C 12 37 57.35 -00 43 18.1 q D29
2019-04-06 04:19:08 C 12 36 23.86 -00 30 05.9 V 703
2019-04-06 04:26:59 C 12 36 23.48 -00 30 03.9 V 703
2019-04-06 04:42:42 C 12 36 22.80 -00 29 57.3 V 703
2019-04-06 08:16:59 C 12 36 13.607 -00 28 39.26 U F51
2019-04-06 08:33:57 C 12 36 12.859 -00 28 33.14 U F51
2019-04-06 08:50:55 C 12 36 12.111 -00 28 26.99 U F51
2019-04-06 09:07:55 C 12 36 11.361 -00 28 20.83 U F51
2019-04-07 08:27:58 C 12 35 11.23 -00 19 56.3 V G96
2019-04-07 08:35:20 C 12 35 10.90 -00 19 53.9 V G96
2019-04-07 08:42:43 C 12 35 10.57 -00 19 50.7 V G96
2019-04-07 08:50:05 C 12 35 10.25 -00 19 48.4 V G96
2019-04-11 08:04:07 C 12 31 08.81 +00 13 53.4 V G96
2019-04-11 08:11:31 C 12 31 08.49 +00 13 55.8 V G96
2019-04-11 08:20:45 C 12 31 08.10 +00 13 58.9 V G96
2019-04-11 08:33:04 C 12 31 07.58 +00 14 03.7 V G96
2019-04-24 07:44:51 C 12 19 11.521 +01 52 20.97 U F51
2019-04-24 08:01:47 C 12 19 10.921 +01 52 25.68 U F51
2019-04-26 07:00:00 C 12 17 36.73 +02 05 09.9 V 703
2019-04-26 07:07:39 C 12 17 36.45 +02 05 12.3 V 703
2019-04-26 07:22:54 C 12 17 35.98 +02 05 15.3 V 703
2019-05-01 06:15:11 C 12 13 58.83 +02 34 36.6 V G96
2019-05-01 06:27:37 C 12 13 58.47 +02 34 39.5 V G96
2019-05-01 06:35:40 C 12 13 58.23 +02 34 41.6 V G96
2019-05-01 06:45:47 C 12 13 57.95 +02 34 43.3 V G96
2019-05-01 09:20:28 C 12 13 53.64 +02 35 20.8 V T08
2019-05-01 09:32:53 C 12 13 53.18 +02 35 21.7 V T08
2019-05-01 09:34:24 C 12 13 53.26 +02 35 23.2 V T08
2019-05-01 09:46:50 C 12 13 52.85 +02 35 24.8 V T08
2019-05-01 10:00:06 C 12 13 52.45 +02 35 28.7 V T08
2019-05-02 12:52:16 C 12 13 08.21 +02 41 26.9 q D29
2019-05-02 13:32:59 C 12 13 07.18 +02 41 35.9 q D29
2019-05-04 06:13:02 C 12 12 03.14 +02 50 13.8 V 703
2019-05-04 06:28:03 C 12 12 02.60 +02 50 17.0 V 703
2019-05-04 06:35:34 C 12 12 02.37 +02 50 17.5 V 703
2019-05-07 06:04:55 C 12 10 20.259 +03 04 10.39 U F51
2019-05-07 06:06:50 C 12 10 20.214 +03 04 10.83 U F51
2019-05-07 06:22:09 C 12 10 19.850 +03 04 13.58 U F51
2019-05-07 06:24:03 C 12 10 19.810 +03 04 13.94 U F51
2019-05-07 06:39:26 C 12 10 19.445 +03 04 16.64 U F51
2019-05-07 06:41:20 C 12 10 19.405 +03 04 17.11 U F51
2019-05-07 06:56:41 C 12 10 19.045 +03 04 19.85 U F51
2019-05-07 06:58:36 C 12 10 19.001 +03 04 20.17 U F51
2019-07-25 06:22:43 C 12 36 55.097 +00 33 51.63 U F51
2019-07-25 06:29:10 C 12 36 55.361 +00 33 49.92 U F51
2019-07-25 06:35:35 C 12 36 55.627 +00 33 48.14 U F51
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)