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
2008-09-03 23:59:32 C 00 06 24.68 +16 52 57.2 r 585
2008-09-04 00:00:13 C 00 06 24.85 +16 52 56.3 r 585
2008-09-04 00:00:55 C 00 06 25.00 +16 52 55.5 r 585
2008-09-04 00:01:36 C 00 06 25.17 +16 52 54.6 r 585
2008-09-04 00:02:18 C 00 06 25.33 +16 52 53.7 r 585
2008-09-04 00:13:15 C 00 06 27.89 +16 52 39.4 r 585
2008-09-04 00:13:57 C 00 06 28.03 +16 52 38.5 r 585
2008-09-04 00:14:38 C 00 06 28.20 +16 52 37.6 r 585
2008-09-04 00:15:20 C 00 06 28.36 +16 52 36.7 r 585
2008-09-04 00:16:01 C 00 06 28.52 +16 52 35.8 r 585
2008-09-04 19:53:49 C 00 11 19.35 +16 26 25.4 12.2 r 084
2008-09-04 22:11:32 C 00 11 52.02 +16 23 20.9 12.9 r 084
2008-09-05 06:10:56 C 00 13 50.98 +16 12 43.3 14.9 c 704
2008-09-05 06:30:04 C 00 13 55.45 +16 12 17.3 14.8 c 704
2008-09-05 06:49:13 C 00 13 59.90 +16 11 51.4 14.9 c 704
2008-09-05 07:08:29 C 00 14 04.29 +16 11 24.9 15.0 c 704
2008-09-05 07:27:36 C 00 14 08.67 +16 10 58.6 15.1 c 704
2008-09-06 05:21:47 C 00 19 32.70 +15 39 32.6 r H45
2008-09-06 05:22:36 C 00 19 32.88 +15 39 31.4 r H45
2008-09-06 05:23:57 C 00 19 33.19 +15 39 29.5 r H45
2008-09-06 05:25:41 C 00 19 33.59 +15 39 26.9 r H45
2008-09-06 05:27:41 C 00 19 34.06 +15 39 24.0 r H45
2008-09-07 06:20:00 C 00 25 40.83 +15 01 59.2 14.7 c 704
2008-09-07 06:39:32 C 00 25 45.35 +15 01 29.4 15.0 c 704
2008-09-07 06:58:49 C 00 25 49.80 +15 01 00.7 14.7 c 704
2008-09-07 07:18:05 C 00 25 54.24 +15 00 30.7 14.9 c 704
2008-09-07 07:37:21 C 00 25 58.66 +15 00 01.3 14.9 c 704
2008-09-08 07:30:00 C 00 31 49.01 +14 22 13.9 o H47
2008-09-08 07:31:47 C 00 31 49.42 +14 22 11.1 o H47
2008-09-08 07:33:02 C 00 31 49.69 +14 22 09.1 o H47
2008-09-08 07:36:58 C 00 31 50.60 +14 22 02.7 o H47
2008-09-08 07:38:23 C 00 31 50.92 +14 22 00.4 o H47
2008-09-08 07:39:29 C 00 31 51.17 +14 21 58.6 o H47
2008-09-08 07:40:36 C 00 31 51.43 +14 21 56.8 o H47
2008-09-08 07:41:47 C 00 31 51.70 +14 21 54.9 o H47
2008-09-08 07:42:56 C 00 31 51.96 +14 21 53.1 o H47
2008-09-08 20:56:30 C 00 35 08.70 +13 59 55.8 c B67
2008-09-08 21:39:24 C 00 35 18.74 +13 58 44.7 c B73
2008-09-08 21:47:18 C 00 35 20.60 +13 58 31.9 c B73
2008-09-08 21:51:48 C 00 35 21.65 +13 58 24.5 c B73
2008-09-08 22:02:07 C 00 35 24.12 +13 58 09.5 c B67
2008-09-08 22:58:56 C 00 35 37.38 +13 56 36.6 c B67
2008-09-08 23:46:09 C 00 35 47.50 +13 55 24.0 i 071
2008-09-08 23:47:13 C 00 35 47.75 +13 55 22.2 i 071
2008-09-08 23:48:19 C 00 35 47.99 +13 55 20.4 i 071
2008-09-08 23:49:23 C 00 35 48.24 +13 55 18.6 i 071
2008-09-08 23:50:28 C 00 35 48.48 +13 55 16.9 i 071
2008-09-08 23:51:33 C 00 35 48.74 +13 55 15.1 i 071
2008-09-08 23:52:37 C 00 35 48.99 +13 55 13.3 i 071
2008-09-08 23:53:42 C 00 35 49.23 +13 55 11.5 i 071
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)