AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997HW ∴ Summary
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(85456) 1997HW  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.16689 4.918e-09 au
e 0.17816 4.446e-08
i 3.485 3.98e-06 deg
Ω 43.066 6.21e-05 deg
ω 309.295 6.279e-05 deg
M 38.593 8.566e-06 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7808 au
Aphelion 2.5529 au
Asc. node-Earth separation 0.89453 au
Desc. node-Earth separation 1.35703 au
Earth MOID 0.778 au
Orbital period 1165.08 days
Date of orbit computation  apr 23 20:04
Observational summary
Optical observations (Discarded) 1212 (2)
Radar observations (Discarded) 0 (0)
Arc length 9692.81 days
Unobserved 164 days

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Ephemeris at epoch 60425 MJD
Right Ascension 46.1215 deg
Declination 17.8892 deg
V Magnitude 20.77 mag
Solar Elongation -13.79 deg
Galactic Latitude -34.62 deg
Rate 0.581 deg/day
Direction 72.551 deg

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