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AstDyS ∴ Objects ∴ 1998XG21 ∴ Summary
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(120989) 1998XG21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30628 6.325e-09 au
e 0.182263 3.405e-08
i 3.781 3.891e-06 deg
Ω 272.97 7.42e-05 deg
ω 133.681 7.77e-05 deg
M 120.126 1.994e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8859 au
Aphelion 2.7266 au
Asc. node-Earth separation 1.53386 au
Desc. node-Earth separation 0.99778 au
Earth MOID 0.89835 au
Orbital period 1279.28 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 970 (5)
Radar observations (Discarded) 0 (0)
Arc length 10750.4 days
Unobserved 39 days

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Ephemeris at epoch 60427 MJD
Right Ascension 171.595 deg
Declination -2.35474 deg
V Magnitude 20.97 mag
Solar Elongation -136.04 deg
Galactic Latitude 54.09 deg
Rate 0.092 deg/day
Direction -47.102 deg

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