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
1996-06-07 21:03:09 C 14 23 38.04 -01 47 56.8 z 595
1996-06-07 21:10:02 C 14 23 37.79 -01 47 56.2 z 557
1996-06-07 21:18:19 C 14 23 37.53 -01 47 55.2 z 557
1996-06-07 21:22:20 C 14 23 37.34 -01 47 54.7 z 557
1996-06-08 10:43:21 C 14 23 11.84 -01 46 13.9 413
1996-06-08 10:48:44 C 14 23 11.67 -01 46 13.3 413
1996-06-08 10:52:43 C 14 23 11.54 -01 46 12.6 413
1996-06-08 21:07:01 C 14 22 52.11 -01 45 14.8 z 595
1996-06-08 21:27:06 C 14 22 51.43 -01 45 13.0 z 595
1996-06-09 14:32:21 C 14 22 19.81 -01 43 18.4 413
1996-06-09 14:39:10 C 14 22 19.60 -01 43 17.7 413
1996-06-09 21:24:25 C 14 22 07.66 -01 42 47.1 z 587
1996-06-09 21:34:24 C 14 22 07.37 -01 42 46.1 z 587
1996-06-09 21:40:39 C 14 22 07.18 -01 42 45.2 z 587
1996-06-10 21:16:31 C 14 21 25.95 -01 40 38.1 z 557
1996-06-10 21:22:48 C 14 21 25.78 -01 40 37.8 z 557
1996-06-10 21:42:04 C 14 21 25.23 -01 40 36.0 z 557
1996-06-10 21:51:46 C 14 21 24.90 -01 40 35.1 z 557
1996-06-12 05:45:10 C 14 20 32.38 -01 38 08.1 z 658
1996-06-12 05:49:12 C 14 20 32.28 -01 38 07.6 z 658
1996-06-12 05:52:36 C 14 20 32.19 -01 38 07.5 z 658
1996-06-13 08:21:04 C 14 19 51.19 -01 36 24.8 c 566
1996-06-13 08:53:17 C 14 19 50.34 -01 36 22.7 c 566
1996-06-13 09:23:41 C 14 19 49.54 -01 36 21.0 c 566
1996-06-13 10:43:38 14 19 47.81 -01 36 09.2 b 260
1996-06-13 11:43:38 14 19 46.20 -01 36 06.0 b 260
1996-06-21 06:13:43 C 14 16 12.11 -01 33 42.8 i 711
1996-06-21 06:26:46 C 14 16 11.92 -01 33 43.2 i 711
1996-06-21 09:19:53 C 14 16 10.04 -01 33 41.0 413
1996-06-21 09:23:52 C 14 16 09.98 -01 33 41.1 413
1996-06-21 11:52:21 C 14 16 07.77 -01 33 45.7 413
1996-06-21 11:57:26 C 14 16 07.69 -01 33 45.8 413
1996-06-26 03:20:07 C 14 15 04.06 -01 39 49.9 i 711
1996-06-26 03:33:09 C 14 15 03.96 -01 39 51.0 i 711
1996-07-18 10:05:52 C 14 20 18.68 -03 11 21.8 413
1996-07-18 10:09:56 C 14 20 18.77 -03 11 22.8 413
1996-11-01 11:03:13 C 17 49 11.66 -18 16 33.1 413
1996-11-02 10:33:39 C 17 52 24.69 -18 21 08.3 413
1996-11-02 10:39:43 C 17 52 25.46 -18 21 09.4 413
1996-12-05 00:54:54 C 19 51 16.41 -18 25 06.5 i 711
1996-12-05 01:04:36 C 19 51 17.98 -18 25 04.7 i 711
1998-01-01 11:41:56 C 11 11 17.55 -00 04 20.6 z 711
1998-01-01 12:01:05 C 11 11 17.52 -00 04 20.8 z 711
1998-01-02 11:06:35 C 11 11 16.75 -00 04 23.8 z 711
1998-01-02 11:25:42 C 11 11 16.71 -00 04 23.6 z 711
1998-01-24 13:24:27 C 11 04 20.66 +00 41 57.5 t 566
1998-01-24 13:38:39 C 11 04 20.33 +00 42 00.5 t 566
1998-01-24 13:52:20 C 11 04 19.96 +00 42 02.9 t 566
1998-02-20 23:45:02 C 10 40 25.01 +03 40 32.8 046
1998-02-20 23:50:36 C 10 40 24.80 +03 40 34.8 046
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)