688 Melanie

688 Melanie
Discovery [1]
Discovered byJ. Palisa
Discovery siteVienna Obs.
Discovery date25 August 1909
Designations
(688) Melanie
Named after
unknown [2]
A909 QC · 1927 SR
1940 SJ · A917 KD
1909 HH
main-belt [1][3] · (middle)[4]
background [5][6][7]
Orbital characteristics [3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc106.92 yr (39,054 d)
Aphelion3.0733 AU
Perihelion2.3217 AU
2.6975 AU
Eccentricity0.1393
4.43 yr (1,618 d)
20.621°
0° 13m 21s / day
Inclination10.244°
170.84°
138.97°
Physical characteristics
18.87±0.01 h[11]

688 Melanie (prov. designation: A909 QC or 1909 HH) is a dark background asteroid from the central regions of the asteroid belt. It was discovered by Austrian astronomer Johann Palisa at the Vienna Observatory on 25 August 1909.[1] The carbonaceous C-type asteroid has a rotation period of 18.9 hours and measures approximately 42 kilometers (26 miles) in diameter. Any reference to the origin of the asteroid's name is unknown.[2]

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