Rosamunde (minor planet designation: 540 Rosamunde) is an S-type asteroid belonging to the Flora family in the Main Belt.[3] Its diameter is about 19 km and it has an albedo of 0.243 . Its rotation period is 9.336 hours.
![]() A three-dimensional model of 540 Rosamunde based on its light curve | |
Discovery | |
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Discovered by | Max Wolf |
Discovery site | Heidelberg |
Discovery date | 3 August 1904 |
Designations | |
MPC designation | (540) Rosamunde |
Pronunciation | German: [ʁoːzɐˈmʊndə][1] |
Alternative designations | 1904 ON |
Orbital characteristics[2] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 111.67 yr (40788 d) |
Aphelion | 2.4178 AU (361.70 Gm) |
Perihelion | 2.0195 AU (302.11 Gm) |
Semi-major axis | 2.2187 AU (331.91 Gm) |
Eccentricity | 0.089767 |
Orbital period (sidereal) | 3.30 yr (1207.1 d) |
Mean anomaly | 85.2863° |
Mean motion | 0° 17m 53.664s / day |
Inclination | 5.5831° |
Longitude of ascending node | 202.174° |
Argument of perihelion | 337.564° |
Physical characteristics | |
Mean radius | 9.51±1.35 km |
Synodic rotation period | 9.351 ± 0.001 h (0.389625 ± 4.2×10−5 d)[3] |
Geometric albedo | 0.2426±0.088 |
Absolute magnitude (H) | 10.76 |
Rosamunde is named for a character in a play of the same title for which Franz Schubert wrote incidental music.[4]
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