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
2008-06-28 02:00:18 C 20 45 38.21 +07 02 30.9 r B19
2008-06-28 02:01:59 C 20 45 38.29 +07 02 32.3 r B19
2008-06-29 03:09:06 C 20 47 04.70 +07 23 57.7 r B19
2008-06-29 03:10:47 C 20 47 04.79 +07 23 59.2 r B19
2008-06-29 03:12:28 C 20 47 04.87 +07 24 00.8 r B19
2008-06-29 06:48:47 C 20 47 17.41 +07 27 29.5 c 844
2008-06-29 06:51:19 C 20 47 17.55 +07 27 31.6 c 844
2008-06-29 06:57:54 C 20 47 17.91 +07 27 37.3 c 844
2008-06-29 07:08:09 C 20 47 18.44 +07 27 46.2 c 844
2008-06-29 07:20:09 C 20 47 19.10 +07 27 56.3 c 844
2008-07-04 00:09:57 C 20 53 55.10 +09 04 27.4 r J51
2008-07-04 00:16:06 C 20 53 55.45 +09 04 32.7 r J51
2008-07-04 00:22:17 C 20 53 55.80 +09 04 38.0 r J51
2008-07-04 23:51:45 C 20 55 18.42 +09 24 47.5 14.8 r C20
2008-07-04 23:56:24 C 20 55 18.69 +09 24 51.2 15.2 r C20
2008-07-05 22:23:13 C 20 56 39.68 +09 44 11.3 14.7 r C20
2008-07-05 22:27:52 C 20 56 39.95 +09 44 15.3 14.7 r C20
2008-07-09 01:53:20 C 21 01 16.31 +10 49 13.7 r J51
2008-07-09 01:59:31 C 21 01 16.66 +10 49 19.1 r J51
2008-07-09 02:05:42 C 21 01 17.01 +10 49 24.5 r J51
2008-07-09 23:18:19 C 21 02 37.28 +11 07 34.9 r J51
2008-07-09 23:23:21 C 21 02 37.58 +11 07 39.4 r J51
2008-07-09 23:28:22 C 21 02 37.87 +11 07 43.9 r J51
2008-07-09 23:30:43 C 21 02 37.55 +11 07 41.9 r B19
2008-07-09 23:33:09 C 21 02 37.69 +11 07 43.9 r B19
2008-07-09 23:35:24 C 21 02 37.82 +11 07 46.0 r B19
2008-07-12 07:51:50 C 21 06 13.35 +11 55 56.1 o 669
2008-07-12 15:43:10 C 21 06 43.47 +12 02 36.9 m 379
2008-07-12 15:45:50 C 21 06 43.62 +12 02 39.2 m 379
2008-07-12 15:48:29 C 21 06 43.80 +12 02 41.8 m 379
2008-07-12 15:55:09 C 21 06 44.19 +12 02 47.5 m 379
2008-07-12 15:57:49 C 21 06 44.34 +12 02 49.7 m 379
2008-07-12 16:07:09 C 21 06 44.91 +12 02 57.6 m 379
2008-07-12 16:12:30 C 21 06 45.21 +12 03 01.8 m 379
2008-07-13 15:22:08 C 21 08 16.75 +12 22 43.5 r 379
2008-07-13 15:24:48 C 21 08 16.91 +12 22 45.8 r 379
2008-07-13 15:34:07 C 21 08 17.50 +12 22 53.3 r 379
2008-07-13 15:36:48 C 21 08 17.64 +12 22 55.3 r 379
2008-07-13 15:39:28 C 21 08 17.83 +12 22 58.3 r 379
2008-07-13 15:46:09 C 21 08 18.22 +12 23 04.0 r 379
2008-07-13 15:48:49 C 21 08 18.41 +12 23 06.3 r 379
2008-07-13 15:51:29 C 21 08 18.55 +12 23 08.1 r 379
2008-07-14 16:37:09 C 21 09 57.40 +12 44 05.6 r 379
2008-07-14 16:39:49 C 21 09 57.57 +12 44 07.8 r 379
2008-07-14 16:42:29 C 21 09 57.75 +12 44 10.0 r 379
2008-07-14 16:54:28 C 21 09 58.47 +12 44 20.3 r 379
2008-07-14 23:43:17 C 21 10 26.63 +12 50 00.4 o 204
2008-07-15 01:20:53 C 21 10 32.73 +12 51 22.8 o 204
2008-07-15 02:02:06 C 21 10 35.31 +12 51 57.5 o 204
2008-07-15 09:06:15 C 21 11 03.96 +12 57 58.7 r H45
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)