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
2021-01-30 04:04:06 s 1 +120209.28 8 +277697.65 5680.0 C57
2021-01-30 04:24:06 S 08 09 49.538 +08 27 46.48 V C57
2021-01-30 04:24:06 s 1 +119677.94 3 +278726.75 3950.0 C57
2021-01-30 04:34:06 S 08 09 49.078 +08 27 53.24 V C57
2021-01-30 04:34:06 s 1 +119411.35 0 +279239.16 6350.0 C57
2021-01-30 04:54:06 S 08 09 47.808 +08 27 57.13 V C57
2021-01-30 04:54:06 s 1 +118876.34 1 +280259.70 7730.0 C57
2021-01-30 05:04:06 S 08 09 47.458 +08 28 00.55 V C57
2021-01-30 05:04:06 s 1 +118607.93 3 +280767.83 6710.0 C57
2021-01-30 05:14:06 S 08 09 46.886 +08 28 00.05 V C57
2021-01-30 05:14:06 s 1 +118338.92 6 +281274.54 4570.0 C57
2021-01-30 05:24:06 S 08 09 46.248 +08 28 06.35 V C57
2021-01-30 05:24:06 s 1 +118069.32 4 +281779.84 1300.0 C57
2021-01-30 05:34:06 S 08 09 45.972 +08 28 12.61 V C57
2021-01-30 05:34:06 s 1 +117799.13 0 +282283.72 6930.0 C57
2021-01-30 05:44:06 S 08 09 45.444 +08 28 13.33 V C57
2021-01-30 05:44:06 s 1 +117528.34 9 +282786.19 1440.0 C57
2021-01-30 05:54:06 S 08 09 44.930 +08 28 17.33 V C57
2021-01-30 05:54:06 s 1 +117256.98 3 +283287.25 4850.0 C57
2021-01-30 06:04:06 S 08 09 44.470 +08 28 23.30 V C57
2021-01-30 06:04:06 s 1 +116985.03 5 +283786.90 7170.0 C57
2021-01-30 06:14:06 S 08 09 43.687 +08 28 25.39 V C57
2021-01-30 06:14:06 s 1 +116712.51 0 +284285.14 8390.0 C57
2021-01-30 06:24:06 S 08 09 43.277 +08 28 30.22 V C57
2021-01-30 06:24:06 s 1 +116439.41 0 +284781.99 8530.0 C57
2021-01-30 07:04:06 S 08 09 41.378 +08 28 38.82 V C57
2021-01-30 07:04:06 s 1 +115341.33 1 +286755.38 8380.0 C57
2021-01-30 07:14:06 S 08 09 40.423 +08 28 44.36 V C57
2021-01-30 07:14:06 s 1 +115065.40 7 +287245.24 3190.0 C57
2021-01-30 07:24:06 S 08 09 40.366 +08 28 46.70 V C57
2021-01-30 07:24:06 s 1 +114788.92 8 +287733.71 6950.0 C57
2021-01-30 07:34:06 S 08 09 39.566 +08 28 54.23 V C57
2021-01-30 07:34:06 s 1 +114511.89 7 +288220.80 9670.0 C57
2021-01-30 07:54:06 S 08 09 38.554 +08 29 02.04 V C57
2021-01-30 07:54:06 s 1 +113956.19 3 +289190.82 2010.0 C57
2021-01-30 09:04:06 S 08 09 35.299 +08 29 19.68 V C57
2021-01-30 09:04:06 s 1 +111994.30 1 +292542.56 8150.0 C57
2021-01-30 09:14:06 S 08 09 34.882 +08 29 26.48 V C57
2021-01-30 09:14:06 s 1 +111711.92 3 +293015.90 750.0 C57
2021-01-30 09:24:06 S 08 09 34.164 +08 29 26.05 V C57
2021-01-30 09:24:06 s 1 +111429.02 6 +293487.89 2370.0 C57
2021-01-30 09:34:06 S 08 09 33.806 +08 29 33.65 V C57
2021-01-30 09:34:06 s 1 +111145.61 4 +293958.51 3010.0 C57
2021-01-30 09:44:06 S 08 09 33.132 +08 29 38.65 V C57
2021-01-30 09:44:06 s 1 +110861.69 1 +294427.77 2680.0 C57
2021-01-30 10:04:06 S 08 09 32.578 +08 29 36.78 V C57
2021-01-30 10:04:06 s 1 +110292.31 8 +295362.24 9140.0 C57
2021-01-30 10:14:06 S 08 09 31.481 +08 29 48.98 V C57
2021-01-30 10:14:06 s 1 +110006.87 5 +295827.44 5930.0 C57
2021-01-30 10:44:06 S 08 09 30.086 +08 29 58.78 V 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)