247 Eukrate

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247 Eukrate
Discovery A
Discoverer Robert Luther
Discovery date March 14, 1885
Alternate
designations
B
A901 TB, 1947 TA,
1960 TC
Category Main belt
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e) 0.244
Semi-major axis (a) 409.848 Gm (2.74 AU)
Perihelion (q) 309.665 Gm (2.07 AU)
Aphelion (Q) 510.032 Gm (3.409 AU)
Orbital period (P) 1656.291 d (4.53 a)
Mean orbital speed 18.0 km/s
Inclination (i) 24.993°
Longitude of the
ascending node
(Ω)
0.235°
Argument of
perihelion
(ω)
55.134°
Mean anomaly (M) 243.673°
Physical characteristics D
Dimensions 134.0 km
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period 12.10 h
Spectral class CP
Absolute magnitude 8.04
Albedo (geometric) 0.060
Mean surface
temperature
unknown
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247 Eukrate is a rather large Main belt asteroid. It is dark and likely a primitive carbonaceus body.

It was discovered by Robert Luther on March 14, 1885 in Düsseldorf.

It was named after Eukrate, a Nereid in Greek mythology.

[edit] References