777 Gutemberga
777 Gutemberga (prov. designation: A914 BF or 1914 TZ) is a dark and large background asteroid, approximately 66 kilometers (41 miles) in diameter, from the outer regions of the asteroid belt. It was discovered by German astronomer Franz Kaiser at the Heidelberg-Königstuhl State Observatory on 24 January 1914. The carbonaceous C-type asteroid (Cb) has a rotation period of 12.8 hours. It was named after Johannes Gutenberg (ca. 1400–1468), who introduced the printing press to Europe and started the Printing Revolution.
| Discovery | |
|---|---|
| Discovered by | F. Kaiser |
| Discovery site | Heidelberg Obs. |
| Discovery date | 24 January 1914 |
| Designations | |
MPC designation | (777) Gutemberga |
Named after | Johannes Gutenberg (German inventor) |
Alternative designations | A914 BF · 1926 EF A924 YB · 1914 TZ |
Minor planet category |
|
| Orbital characteristics | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 105.60 yr (38,570 d) |
| Aphelion | 3.5831 AU |
| Perihelion | 2.8745 AU |
Semi-major axis | 3.2288 AU |
| Eccentricity | 0.1097 |
Orbital period (sidereal) | 5.80 yr (2,119 d) |
Mean anomaly | 79.152° |
Mean motion | 0° 10m 11.64s / day |
| Inclination | 12.942° |
Longitude of ascending node | 283.27° |
| 264.44° | |
| Physical characteristics | |
| Dimensions | 66.0 km × 66.0 km |
Mean diameter |
|
Synodic rotation period | 12.838±0.006 h |
| |
| 9.80 | |
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