(794) Irenaea
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Asteroid (794) Irenaea |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.1285 AU |
| eccentricity | 0.2962 |
| Perihelion - aphelion | 2.2018 AU - 4.0551 AU |
| Inclination of the orbit plane | 5.415 ° |
| Sidereal period | 5,534 a |
| Mean orbital velocity | 16.84 km / s |
| Physical Properties | |
| Medium diameter | 35.8 km |
| Albedo | 0.050 |
| Rotation period | ? H |
| Absolute brightness | 11.301 mag |
| Spectral class | ? |
| history | |
| Explorer | J. Palisa |
| Date of discovery | 1914 |
| Another name | 1914 VB, 1936 QK, 1947 QD |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(794) Irenaea is an asteroid of the main belt , which on 27 August 1914 by Austrian astronomer Johann Palisa in Vienna was discovered.
The asteroid was named after the daughter Irene of the astronomer Eduard Weiss.