AstDyS-2

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AstDyS ∴ Objects ∴ 1998RH21 ∴ Summary
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(257546) 1998RH21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.53047 1.185e-08 au
e 0.119315 6.62e-08
i 5.724 7.37e-06 deg
Ω 344.04 4.371e-05 deg
ω 18.328 5.113e-05 deg
M 114.923 2.807e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2286 au
Aphelion 2.8324 au
Asc. node-Earth separation 1.23329 au
Desc. node-Earth separation 1.82158 au
Earth MOID 1.22619 au
Orbital period 1470.28 days
Date of orbit computation  feb 22 02:45
Observational summary
Optical observations (Discarded) 393 (5)
Radar observations (Discarded) 0 (0)
Arc length 9286.13 days
Unobserved 84 days

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Ephemeris at epoch 60423 MJD
Right Ascension 114.799 deg
Declination 24.4069 deg
V Magnitude 22.2 mag
Solar Elongation -79.5 deg
Galactic Latitude 20.86 deg
Rate 0.267 deg/day
Direction 106.567 deg

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