2747 Český Krumlov
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| Discovery | |
|---|---|
| Discovered by | Antonín Mrkos |
| Discovery date | February 10, 1980 |
| Designations | |
| Named after | Český Krumlov |
| Alternative names |
1953 FO1; 1975 EK5; 1977 SV2; 1977 TM3; 1977 TS7; 1980 DW; 1982 OM |
| Minor planet category | Main belt (Hygiea family) |
| Orbital characteristics | |
| Epoch July 14, 2004 (JD 2453200.5) | |
| Aphelion | 521.683 Gm (3.487 AU) |
| Perihelion | 406.764 Gm (2.719 AU) |
| Semi-major axis | 464.223 Gm (3.103 AU) |
| Eccentricity | 0.124 |
| Orbital period | 1996.646 d (5.47 a) |
| Average orbital speed | 16.91 km/s |
| Mean anomaly | 34.908° |
| Inclination | 5.821° |
| Longitude of ascending node | 345.022° |
| Argument of perihelion | 303.935° |
| Physical characteristics | |
| Dimensions | 33 km |
| Mass | ~3.3×1016 kg (estimate) |
| Mean density | ~2 ? g/cm³ (estimate) |
| Equatorial surface gravity | 0.0088 m/s² (estimate) |
| Escape velocity | 0.0167 km/s (estimate) |
| Rotation period | unknown |
| Albedo | 0.0405 [1] |
| Temperature |
~160 K max: 243K (-31°C) |
| Spectral type | unknown |
| Absolute magnitude (H) | 11.6 |
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2747 Český Krumlov (Czech: [ˈtʃɛskiː ˈkrʊmlof]) is a small main belt asteroid, which was discovered by the Czech astronomer Antonín Mrkos in 1980. It is named after the historic Czech town of Český Krumlov.
Český Krumlov is a dark coloured asteroid (hence probably a carbonaceous C-type), and measures about 32 km in diameter.
References
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