Astronomy:241 Germania
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Short description: Main-belt asteroid
 Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Robert Luther |
| Discovery date | 12 September 1884 |
| Designations | |
| (241) Germania | |
| Pronunciation | /dʒərˈmeɪniə/[1] |
| Named after | Germany |
| A884 RA, 1953 US, 1953 VK1 | |
| Minor planet category | Main belt |
| Adjectives | Germanian |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 131.40 yr (47993 d) |
| |{{{apsis}}}|helion}} | 3.35991 astronomical unit|AU (502.635 Gm) |
| |{{{apsis}}}|helion}} | 2.73723 AU (409.484 Gm) |
| 3.04857 AU (456.060 Gm) | |
| Eccentricity | 0.10213 |
| Orbital period | 5.32 yr (1944.2 d) |
| Average Orbital speed | 17.04 km/s |
| Mean anomaly | 277.959° |
| Mean motion | 0° 11m 6.598s / day |
| Inclination | 5.50482° |
| Longitude of ascending node | 270.362° |
| 80.6364° | |
| Physical characteristics | |
| Dimensions | 168.90±3.1 km[2] 178.60 ± 7.84 km[3] |
| Mass | (0.86 ± 5.00) × 1018 kg[3] |
| Mean density | 0.28 ± 1.67 g/cm3[3] |
| Rotation period | 15.51 h (0.646 d)[2] |
| Geometric albedo | 0.0575±0.002[2] |
| CP/B[2] | |
| Absolute magnitude (H) | 7.58[2] |
Germania (minor planet designation: 241 Germania) is a very large main-belt asteroid. It is classified as a B-type asteroid and is probably composed of dark, primitive carbonaceous material.
It was discovered by Robert Luther on 12 September 1884 in Düsseldorf.
Germania is the Latin name for Germany .
References
- ↑ Noah Webster (1884) A Practical Dictionary of the English Language
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 "JPL Small-Body Database Browser: 241 Germania". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=241.
- ↑ 3.0 3.1 3.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: pp. 98–118, doi:10.1016/j.pss.2012.03.009, Bibcode: 2012P&SS...73...98C. See Table 1.
External links
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
- 241 Germania at AstDyS-2, Asteroids—Dynamic Site
- 241 Germania at the JPL Small-Body Database
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