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AstDyS ∴ Objects ∴ 1998QN1 ∴ Summary
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(21538) 1998QN1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.07759 1.52e-08 au
e 0.117124 4.022e-08
i 1.149 3.773e-06 deg
Ω 231.938 0.0001841 deg
ω 101.339 0.0001848 deg
M 271.218 1.639e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7171 au
Aphelion 3.438 au
Asc. node-Earth separation 2.09532 au
Desc. node-Earth separation 1.97956 au
Earth MOID 1.70698 au
Orbital period 1972.03 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2046 (15)
Radar observations (Discarded) 0 (0)
Arc length 15782 days
Unobserved 314 days

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Ephemeris at epoch 60419 MJD
Right Ascension 243.84 deg
Declination -21.1901 deg
V Magnitude 18.75 mag
Solar Elongation 143.37 deg
Galactic Latitude 20.95 deg
Rate 0.099 deg/day
Direction -76.86 deg

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