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AstDyS ∴ Objects ∴ 1998XH21 ∴ Summary
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(74385) 1998XH21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.01604 1.66e-08 au
e 0.099026 3.744e-08
i 1.651 4.437e-06 deg
Ω 129.713 0.000135 deg
ω 328.509 0.0001374 deg
M 309.157 2.413e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7174 au
Aphelion 3.3147 au
Asc. node-Earth separation 1.76913 au
Desc. node-Earth separation 2.24759 au
Earth MOID 1.73486 au
Orbital period 1913.17 days
Date of orbit computation  feb 22 02:05
Observational summary
Optical observations (Discarded) 1073 (4)
Radar observations (Discarded) 0 (0)
Arc length 9152.7 days
Unobserved 111 days

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Ephemeris at epoch 60397 MJD
Right Ascension 28.0215 deg
Declination 10.1734 deg
V Magnitude 20.72 mag
Solar Elongation -22.21 deg
Galactic Latitude -49.9 deg
Rate 0.398 deg/day
Direction 69.196 deg

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