- 7004 Markthiemens
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7004 Markthiemens DiscoveryDiscovered by Schelte J. Bus Discovery date July 24, 1979 DesignationsAlternate name(s) 1979 OB9; 1982 JC2;
1983 VH7Minor planet
categoryMain belt Epoch June 14, 2006 (JD 2453900.5) Aphelion 409.941 Gm (2.740 AU) Perihelion 285.382 Gm (1.908 AU) Semi-major axis 347.662 Gm (2.324 AU) Eccentricity 0.179 Orbital period 1294.033 d (3.54 a) Average orbital speed 19.38 km/s Mean anomaly 145.497° Inclination 5.019° Longitude of ascending node 212.600° Argument of perihelion 173.158° Physical characteristicsDimensions ? km Mass ?×10? kg Mean density ? g/cm³ Equatorial surface gravity ? m/s² Escape velocity ? km/s Rotation period ? d Albedo 0.10? Temperature ~183 K Spectral type ? Absolute magnitude (H) 13.9 7004 Markthiemens is an asteroid named after Mark Thiemens, Dean of the Division of Physical Sciences at the University of California, San Diego. [1] †
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