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AstDyS ∴ Objects ∴ Martina ∴ Summary
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(981) Martina  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.09806 8.082e-09 au
e 0.201276 3.075e-08
i 2.063 3.22e-06 deg
Ω 45.998 4.726e-05 deg
ω 297.975 4.795e-05 deg
M 202.703 7.754e-06 deg

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Other useful info
Absolute Magnitude (H)    11.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4745 au
Aphelion 3.7216 au
Asc. node-Earth separation 1.72548 au
Desc. node-Earth separation 2.27448 au
Earth MOID 1.46765 au
Orbital period 1991.74 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 8162 (156)
Radar observations (Discarded) 0 (0)
Arc length 42890.1 days
Unobserved 81 days

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Ephemeris at epoch 60419 MJD
Right Ascension 173.854 deg
Declination 4.69501 deg
V Magnitude 16.89 mag
Solar Elongation -143.36 deg
Galactic Latitude 61.16 deg
Rate 0.123 deg/day
Direction -71.307 deg

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