699 Hela

699 Hela
Discovery
A three-dimensional model of 699 Hela based on its light curve.
Discovered by	J. Helffrich
Discovery site	Heidelberg
Discovery date	June 5, 1910
Designations
Alternative names	1910 KD
Minor planet category	Mars crosser^[1]
Orbital characteristics
Epoch August 18, 2005 (JDCT 2453600.5)
Aphelion	3.680 AU
Perihelion	1.548 AU
Semi-major axis	2.614 AU
Eccentricity	0.408
Orbital period	4.226 a
Mean anomaly	151.534°
Inclination	15.303°
Longitude of ascending node	242.768°
Argument of perihelion	91.378°
Physical characteristics
Dimensions	12 - 27 km^[2]
Rotation period	3.39 h^[1]
Absolute magnitude (H)	11.7^[1]

699 Hela is a Mars crossing asteroid. With an absolute magnitude of 11.7,^[1] the asteroid is about 12–27 km in diameter.^[2]

References

1 2 3 4 "JPL Small-Body Database Browser: 699 Hela (1910 KD)". Jet Propulsion Laboratory.
1 2 "Absolute Magnitude (H)". NASA/JPL. Retrieved 2014-06-24.

External links

Discovery · Orbit diagram · Orbital elements · Physical parameters

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