127 Johanna
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| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.756 AU |
| Perihelion distance | 2.579 AU |
| Aphelion distance | 2.934 AU |
| Orbital period | 4.58 years |
| Inclination | 8.24° |
| Eccentricity | 0.064 |
| Physical characteristics | |
| Diameter 4 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT) | 124.6 km |
| Rotation period 3 (http://charlie.psi.edu/pds/) | 11 hours |
| Spectral class 4 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT) | CX |
| Abs. magnitude 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | 8.30 |
| Albedo 4 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT) | 0.054 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| Discoverer | P. M. Henry, 1872 |
127 Johanna is a large Main belt asteroid. It has a very dark surface and probably a primitive composition of carbonates.
It was discovered by P. M. Henry on November 5, 1872 and is believed to be named after Joan of Arc.
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| (For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system) |
| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |