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AstDyS ∴ Objects ∴ 1998QY91 ∴ Summary
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(20413) 1998QY91  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31194 5.133e-09 au
e 0.238974 4.485e-08
i 3.469 4.046e-06 deg
Ω 50.241 6.915e-05 deg
ω 348.339 6.981e-05 deg
M 79.47 9.952e-06 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7594 au
Aphelion 2.8644 au
Asc. node-Earth separation 0.77747 au
Desc. node-Earth separation 1.83613 au
Earth MOID 0.76752 au
Orbital period 1283.99 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 1698 (5)
Radar observations (Discarded) 0 (0)
Arc length 17412 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 129.111 deg
Declination 22.6919 deg
V Magnitude 19.85 mag
Solar Elongation -96.58 deg
Galactic Latitude 32.62 deg
Rate 0.238 deg/day
Direction 111.222 deg

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