684 Hildburg

684 Hildburg
Discovery
Discovered by	August Kopff
Discovery site	Heidelberg
Discovery date	8 August 1909
Designations
Alternative names	1909 HD
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	106.31 yr (38831 d)
Aphelion	2.5183 AU (376.73 Gm)
Perihelion	2.3461 AU (350.97 Gm)
Semi-major axis	2.4322 AU (363.85 Gm)
Eccentricity	0.035406
Orbital period	3.79 yr (1385.5 d)
Mean anomaly	117.338°
Mean motion	0° 15^m 35.424^s / day
Inclination	5.5229°
Longitude of ascending node	336.441°
Argument of perihelion	292.032°
Earth MOID	1.33646 AU (199.932 Gm)
Jupiter MOID	2.51327 AU (375.980 Gm)
Jupiter Tisserand parameter	3.500
Physical characteristics
Rotation period	15.89 h (0.662 d)
Absolute magnitude (H)	10.8

684 Hildburg is a minor planet orbiting the Sun.

References

↑ "684 Hildburg (1909 HD)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.

External links

Discovery · Orbit diagram · Orbital elements · Physical parameters

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