NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD15 ∴ Summary
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(162117) 1998SD15  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 0.932586 3.024e-09 au
e 0.344892 1.653e-07
i 26.797 1.454e-05 deg
Ω 183.92 3.773e-06 deg
ω 35.855 1.143e-05 deg
M 228.114 2.997e-05 deg

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Non-gravitational parameters
Value 1-σ variation Units
A1 N/A N/A au/day2
A2 -1.703e-14 3.791e-15 au/day2
Other useful info
Absolute Magnitude (H)    19.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.6109 au
Aphelion distance 1.2542 au
Asc. node-Earth separation -0.35488 au
Desc. node-Earth separation 0.13873 au
Earth MOID 0.11124 au
Orbital period 328.952 days
Date of orbit computation   feb 26 10:21

Observational summary
Optical observations (Discarded) 549 (0)
Radar observations (Discarded) 0 (0)
Arc length 7263 days
Unobserved 2080 days

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Ephemeris
(Epoch 60423 MJD)
Right Ascension 57.3274 deg
Declination 4.83378 deg
V Magnitude 21.86 mag
Solar Elongation -27.31 deg
Galactic Latitude -36.47 deg
Rate 0.802 deg/day
Direction 77.671 deg

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