Susanna (minor planet designation: 542 Susanna) is a minor planet orbiting the Sun.[2]
| Discovery | |
|---|---|
| Discovered by | Paul Götz August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 15 August 1904 |
| Designations | |
MPC designation | (542) Susanna |
Alternative designations | 1904 OQ |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.66 yr (40784 d) |
| Aphelion | 3.3156 AU (496.01 Gm) |
| Perihelion | 2.5011 AU (374.16 Gm) |
Semi-major axis | 2.9084 AU (435.09 Gm) |
| Eccentricity | 0.14003 |
Orbital period (sidereal) | 4.96 yr (1811.7 d) |
Mean anomaly | 197.019° |
Mean motion | 0° 11m 55.356s / day |
| Inclination | 12.076° |
Longitude of ascending node | 152.993° |
Argument of perihelion | 216.495° |
| Physical characteristics | |
Mean radius | 20.785±0.5 km |
Synodic rotation period | 10.069 h (0.4195 d) |
Geometric albedo | 0.1843±0.009 |
Absolute magnitude (H) | 9.36 |
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