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
2021-01-24 15:04:06 S 08 16 29.856 +07 42 34.74 V C57
2021-01-24 15:04:06 s 1 -198573.70 0 +195417.20 9220.0 C57
2021-01-24 15:24:06 S 08 16 28.776 +07 42 37.98 V C57
2021-01-24 15:24:06 s 1 -198651.64 8 +194122.04 7780.0 C57
2021-01-24 15:44:06 S 08 16 28.070 +07 42 49.61 V C57
2021-01-24 15:44:06 s 1 -198724.38 4 +192821.82 7180.0 C57
2021-01-24 15:54:06 S 08 16 27.211 +07 42 52.78 V C57
2021-01-24 15:54:06 s 1 -198758.78 1 +192169.80 8430.0 C57
2021-01-24 16:04:06 S 08 16 26.546 +07 42 53.17 V C57
2021-01-24 16:04:06 s 1 -198791.85 8 +191516.52 7340.0 C57
2021-01-24 16:14:06 S 08 16 25.966 +07 42 57.20 V C57
2021-01-24 16:14:06 s 1 -198823.60 6 +190861.96 3930.0 C57
2021-01-24 16:44:06 S 08 16 24.475 +07 43 07.93 V C57
2021-01-24 16:44:06 s 1 -198910.82 0 +188890.65 9570.0 C57
2021-01-24 16:54:06 S 08 16 23.611 +07 43 14.12 V C57
2021-01-24 16:54:06 s 1 -198937.19 3 +188230.99 6710.0 C57
2021-01-24 17:04:06 S 08 16 23.335 +07 43 13.48 V C57
2021-01-24 17:04:06 s 1 -198962.20 6 +187570.05 1450.0 C57
2021-01-24 17:14:06 S 08 16 22.814 +07 43 14.95 V C57
2021-01-24 17:14:06 s 1 -198985.85 3 +186907.83 3790.0 C57
2021-01-24 17:24:06 S 08 16 22.150 +07 43 25.86 V C57
2021-01-24 17:24:06 s 1 -199008.12 6 +186244.33 3720.0 C57
2021-01-24 17:34:06 S 08 16 21.449 +07 43 24.71 V C57
2021-01-24 17:34:06 s 1 -199029.02 0 +185579.54 1220.0 C57
2021-01-24 17:54:06 S 08 16 20.261 +07 43 33.64 V C57
2021-01-24 17:54:06 s 1 -199066.64 1 +184246.12 8880.0 C57
2021-01-24 18:04:06 S 08 16 19.814 +07 43 33.42 V C57
2021-01-24 18:04:06 s 1 -199083.35 5 +183577.47 9030.0 C57
2021-01-24 18:14:06 S 08 16 19.121 +07 43 35.80 V C57
2021-01-24 18:14:06 s 1 -199098.66 2 +182907.54 6700.0 C57
2021-01-24 18:24:06 S 08 16 18.744 +07 43 37.78 V C57
2021-01-24 18:24:06 s 1 -199112.55 6 +182236.31 1880.0 C57
2021-01-24 18:44:06 S 08 16 17.616 +07 43 45.34 V C57
2021-01-24 18:44:06 s 1 -199136.07 4 +180889.98 4720.0 C57
2021-01-24 18:54:06 S 08 16 16.831 +07 43 51.24 V C57
2021-01-24 18:54:06 s 1 -199145.68 5 +180214.87 2360.0 C57
2021-01-24 19:04:06 S 08 16 16.174 +07 43 52.86 V C57
2021-01-24 19:04:06 s 1 -199153.85 3 +179538.46 7460.0 C57
2021-01-24 19:14:06 S 08 16 15.458 +07 43 54.34 V C57
2021-01-24 19:14:06 s 1 -199160.57 3 +178860.76 10.0 C57
2021-01-24 19:24:06 S 08 16 15.010 +07 44 01.50 V C57
2021-01-24 19:24:06 s 1 -199165.83 7 +178181.75 9990.0 C57
2021-01-24 19:34:06 S 08 16 14.882 +07 44 02.26 V C57
2021-01-24 19:34:06 s 1 -199169.63 8 +177501.45 7390.0 C57
2021-01-24 21:44:06 S 08 16 06.955 +07 44 46.25 V C57
2021-01-24 21:44:06 s 1 -199082.48 3 +168538.36 2870.0 C57
2021-01-24 22:24:06 S 08 16 04.800 +07 44 56.94 V C57
2021-01-24 22:24:06 s 1 -199003.06 5 +165735.69 5590.0 C57
2021-01-24 22:34:06 S 08 16 04.517 +07 45 00.83 V C57
2021-01-24 22:34:06 s 1 -198979.22 3 +165031.71 4230.0 C57
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)