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
2022-04-04 08:01:04 C 13 03 10.566 -02 20 19.54 V G96
2022-04-04 08:08:30 C 13 03 10.235 -02 20 16.73 V G96
2022-04-04 08:15:57 C 13 03 09.896 -02 20 13.99 V G96
2022-04-06 08:14:02 C 13 01 04.192 -02 02 23.46 V 703
2022-04-06 08:21:28 C 13 01 03.878 -02 02 20.98 V 703
2022-04-06 08:28:55 C 13 01 03.648 -02 02 16.94 V 703
2022-04-06 08:36:22 C 13 01 03.270 -02 02 15.25 V 703
2022-04-07 09:30:01 C 12 59 57.931 -01 53 00.19 U F52
2022-04-07 09:46:30 C 12 59 57.186 -01 52 54.13 U F52
2022-04-07 10:03:07 C 12 59 56.435 -01 52 47.92 U F52
2022-04-07 10:19:37 C 12 59 55.691 -01 52 41.82 U F52
2022-04-09 07:39:40 C 12 57 56.351 -01 35 59.39 V 703
2022-04-09 07:47:11 C 12 57 55.926 -01 35 56.11 V 703
2022-04-09 07:54:44 C 12 57 55.631 -01 35 52.73 V 703
2022-04-09 08:02:16 C 12 57 55.267 -01 35 50.86 V 703
2022-04-09 10:27:51 C 12 57 48.939 -01 34 55.99 U F52
2022-04-09 10:43:28 C 12 57 48.234 -01 34 50.27 U F52
2022-04-09 10:59:03 C 12 57 47.529 -01 34 44.56 U F52
2022-04-09 13:33:42 C 12 57 41.016 -01 33 43.92 V P07
2022-04-09 14:45:41 C 12 57 37.790 -01 33 17.42 V P07
2022-04-09 14:47:10 C 12 57 37.704 -01 33 17.06 V P07
2022-04-09 15:46:35 C 12 57 35.033 -01 32 55.82 V P07
2022-04-09 16:58:54 C 12 57 31.786 -01 32 28.25 V P07
2022-04-09 18:19:13 C 12 57 28.174 -01 31 59.48 V P07
2022-04-10 08:32:11 C 12 56 50.798 -01 26 51.61 V G96
2022-04-10 08:39:35 C 12 56 50.474 -01 26 48.88 V G96
2022-04-10 08:46:59 C 12 56 50.132 -01 26 45.96 V G96
2022-04-10 08:54:23 C 12 56 49.805 -01 26 43.30 V G96
2022-04-10 13:27:56 C 12 56 38.160 -01 24 58.32 V P07
2022-04-10 14:33:49 C 12 56 35.198 -01 24 34.81 V P07
2022-04-10 15:29:08 C 12 56 32.693 -01 24 14.98 V P07
2022-04-10 16:47:12 C 12 56 29.215 -01 23 46.75 V P07
2022-04-12 05:32:23 C 12 54 52.981 -01 10 30.18 V 703
2022-04-12 05:48:33 C 12 54 52.268 -01 10 23.56 V 703
2022-04-12 05:56:38 C 12 54 51.851 -01 10 21.72 V 703
2022-04-22 04:48:37 C 12 44 49.016 +00 11 26.56 V G96
2022-04-22 04:56:44 C 12 44 48.689 +00 11 29.11 V G96
2022-04-22 05:04:53 C 12 44 48.340 +00 11 31.88 V G96
2022-04-22 05:13:04 C 12 44 47.998 +00 11 34.22 V G96
2022-04-24 13:17:32 C 12 42 36.139 +00 29 10.10 V P07
2022-04-24 14:20:43 C 12 42 33.622 +00 29 29.58 V P07
2022-04-24 15:29:53 C 12 42 30.823 +00 29 51.04 V P07
2022-04-24 16:19:39 C 12 42 28.848 +00 30 06.08 V P07
2022-04-27 06:27:40 C 12 40 09.120 +00 48 28.45 U F52
2022-04-27 06:46:11 C 12 40 08.419 +00 48 33.76 U F52
2022-04-27 07:04:37 C 12 40 07.723 +00 48 39.14 U F52
2022-04-27 07:23:07 C 12 40 07.021 +00 48 44.44 U F52
2022-04-28 06:27:00 C 12 39 16.603 +00 55 17.36 V 703
2022-04-28 06:34:20 C 12 39 16.434 +00 55 19.70 V 703
2022-04-28 06:41:40 C 12 39 16.117 +00 55 21.79 V 703
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)