688 Melanie

688 Melanie
Discovery
Discovered by	J. Palisa
Discovery site	Vienna
Discovery date	25 August 1909
Designations
Alternative names	1909 HH
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	102.46 yr (37424 d)
Aphelion	3.0744 AU (459.92 Gm)
Perihelion	2.3213 AU (347.26 Gm)
Semi-major axis	2.6979 AU (403.60 Gm)
Eccentricity	0.13957
Orbital period	4.43 yr (1618.6 d)
Mean anomaly	68.5940°
Mean motion	0° 13^m 20.712^s / day
Inclination	10.245°
Longitude of ascending node	170.913°
Argument of perihelion	139.509°
Earth MOID	1.31789 AU (197.154 Gm)
Jupiter MOID	2.26216 AU (338.414 Gm)
Jupiter Tisserand parameter	3.332
Physical characteristics
Mean radius	7001207000000000000♠20.70±1.55 km
Rotation period	18.87 h (0.786 d)
Geometric albedo	6998599000000000000♠0.0599±0.010
Absolute magnitude (H)	10.59

688 Melanie is a minor planet orbiting the Sun.

References

↑ "688 Melanie (1909 HH)". 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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