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
2008-11-22 04:55:10 C 03 03 04.43 -08 47 04.4 r H53
2008-11-22 05:00:09 C 03 03 04.44 -08 47 02.1 r H53
2008-11-22 05:05:09 C 03 03 04.44 -08 46 59.7 r H53
2008-11-25 21:01:40 C 03 03 56.63 -08 02 39.1 o J93
2008-11-25 21:07:45 C 03 03 56.66 -08 02 35.8 o J93
2008-11-25 21:19:56 C 03 03 56.75 -08 02 29.2 o J93
2008-11-26 04:19:48 C 03 04 01.17 -07 58 43.9 r H53
2008-11-26 04:25:08 C 03 04 01.21 -07 58 40.8 r H53
2008-11-26 04:30:08 C 03 04 01.22 -07 58 38.4 r H53
2008-11-26 04:35:10 C 03 04 01.26 -07 58 35.8 r H53
2008-11-26 04:40:09 C 03 04 01.30 -07 58 32.9 r H53
2008-11-26 04:45:09 C 03 04 01.33 -07 58 30.2 r H53
2008-11-27 03:00:33 C 03 04 17.22 -07 46 32.1 r H53
2008-11-27 03:10:09 C 03 04 17.25 -07 46 26.5 r H53
2008-11-27 03:15:08 C 03 04 17.31 -07 46 24.0 r H53
2008-11-27 03:20:08 C 03 04 17.38 -07 46 21.3 r H53
2008-11-27 03:25:09 C 03 04 17.39 -07 46 18.4 r H53
2008-11-27 03:30:09 C 03 04 17.43 -07 46 15.7 r H53
2008-12-02 03:01:16 C 03 05 56.95 -06 38 17.8 14.9 c 704
2008-12-02 03:18:12 C 03 05 57.16 -06 38 07.9 15.0 c 704
2008-12-02 03:35:09 C 03 05 57.34 -06 37 57.8 15.1 c 704
2008-12-02 03:52:03 C 03 05 57.58 -06 37 47.8 15.1 c 704
2008-12-02 04:09:01 C 03 05 57.79 -06 37 37.9 14.8 c 704
2008-12-02 05:36:47 C 03 05 58.84 -06 36 46.0 r 703
2008-12-02 05:45:24 C 03 05 58.95 -06 36 41.0 r 703
2008-12-02 05:54:05 C 03 05 59.06 -06 36 35.7 r 703
2008-12-02 06:02:46 C 03 05 59.13 -06 36 30.7 r 703
2008-12-04 20:51:29 C 03 07 03.76 -05 58 49.6 15.3 r 084
2008-12-04 20:58:25 C 03 07 03.87 -05 58 46.3 15.5 r 084
2008-12-07 22:23:57 C 03 08 30.46 -05 13 17.8 c A24
2008-12-07 22:25:23 C 03 08 30.49 -05 13 17.1 c A24
2008-12-13 17:58:20 C 03 11 49.42 -03 44 29.2 r 240
2008-12-13 18:01:54 C 03 11 49.50 -03 44 26.9 r 240
2008-12-13 18:03:29 C 03 11 49.54 -03 44 26.1 r 240
2008-12-13 18:07:49 C 03 11 49.67 -03 44 23.3 r 240
2008-12-13 18:08:36 C 03 11 49.69 -03 44 22.9 r 240
2008-12-13 18:11:10 C 03 11 49.74 -03 44 21.3 r 240
2008-12-13 19:55:31 C 03 11 51.78 -03 43 13.1 15.6 o C20
2008-12-13 19:57:38 C 03 11 51.83 -03 43 11.6 15.6 o C20
2008-12-14 19:50:04 C 03 12 30.20 -03 27 48.2 15.9 o C20
2008-12-14 19:52:11 C 03 12 30.26 -03 27 46.1 15.9 o C20
2008-12-17 19:40:16 C 03 14 32.88 -02 41 17.0 15.6 o C20
2008-12-17 19:42:23 C 03 14 32.94 -02 41 15.6 15.6 o C20
2008-12-18 19:40:41 C 03 15 16.33 -02 25 42.3 16.3 o C20
2008-12-18 19:42:48 C 03 15 16.40 -02 25 41.1 16.2 o C20
2008-12-19 20:09:50 C 03 16 01.89 -02 09 49.0 16.1 r C20
2008-12-19 20:11:57 C 03 16 01.96 -02 09 47.6 16.1 r C20
2008-12-20 19:33:33 C 03 16 46.72 -01 54 38.0 16.2 r C20
2008-12-20 19:35:40 C 03 16 46.78 -01 54 36.7 16.2 r C20
2008-12-20 20:33:36 C 03 16 48.86 -01 54 01.2 r B60
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)