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AstDyS ∴ Objects ∴ 1998XQ21 ∴ Summary
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(120991) 1998XQ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40348 1.231e-08 au
e 0.091192 5.952e-08
i 4.752 4.909e-06 deg
Ω 285.098 6.747e-05 deg
ω 101.856 7.372e-05 deg
M 354.657 2.956e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1843 au
Aphelion 2.6227 au
Asc. node-Earth separation 1.41217 au
Desc. node-Earth separation 1.35716 au
Earth MOID 1.19472 au
Orbital period 1361.01 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 543 (1)
Radar observations (Discarded) 0 (0)
Arc length 9148.77 days
Unobserved 140 days

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Ephemeris at epoch 60425 MJD
Right Ascension 27.2944 deg
Declination 14.6328 deg
V Magnitude 21.14 mag
Solar Elongation 5.42 deg
Galactic Latitude -45.95 deg
Rate 0.526 deg/day
Direction 69.659 deg

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