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AstDyS ∴ Objects ∴ 1998HR17 ∴ Summary
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(136889) 1998HR17  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.09165 2.027e-08 au
e 0.161605 4.517e-08
i 10.707 6.071e-06 deg
Ω 350.966 2.595e-05 deg
ω 139.998 3.231e-05 deg
M 338.206 1.956e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.592 au
Aphelion 3.5913 au
Asc. node-Earth separation 2.4308 au
Desc. node-Earth separation 1.6859 au
Earth MOID 1.61682 au
Orbital period 1985.56 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 1002 (7)
Radar observations (Discarded) 0 (0)
Arc length 10408.9 days
Unobserved 36 days

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Ephemeris at epoch 60427 MJD
Right Ascension 89.7064 deg
Declination 31.5349 deg
V Magnitude 20.13 mag
Solar Elongation -53.28 deg
Galactic Latitude 3.78 deg
Rate 0.386 deg/day
Direction 96.539 deg

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