513 Centesima
| Discovery[1] | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 24 August 1903 |
| Designations | |
| MPC designation | (513) Centesima |
| 1903 LY | |
| Orbital characteristics[1] | |
|
Epoch 31 July 2016 (JD 2457600.5) (JD 2456400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 112.65 yr (41144 d) |
| Aphelion | 3.2648 AU (488.41 Gm) |
| Perihelion | 2.7679 AU (414.07 Gm) |
| 3.0163 AU (451.23 Gm) | |
| Eccentricity | 0.082371 |
| 5.24 yr (1913.5 d) | |
| 146.99° | |
| 0° 11m 17.304s / day | |
| Inclination | 9.7329° |
| 184.45° | |
| 226.24° | |
| Earth MOID | 1.78567 AU (267.132 Gm) |
| Jupiter MOID | 2.10676 AU (315.167 Gm) |
| Jupiter Tisserand parameter | 3.221 |
| Physical characteristics | |
Mean radius | 25.075±0.9 km(IRAS) |
Equatorial escape velocity | ~25 m/s (56 mph) |
| 5.23 h (0.218 d)[1] | |
| 0.0885±0.007[1] | |
| K[1] | |
| 9.75[1] | |
|
| |
513 Centesima is a 50 km Main-belt asteroid orbiting the Sun.[1] It is one of the core members of the Eos family of asteroids. Relatively little is known about this tiny asteroid. It is not known to possess any natural satellites, so its mass is unknown. However, its brief rotation period of just over 5 hours implies that the body must be exceptionally dense, for its gravity is able counteract the centrifugal force. It was discovered 24 August 1903 by late-nineteenth- and early-twentieth-century astronomer Max Wolf.[1] It was his 100th asteroid discovery, hence the name, which in Latin, means "hundredth".
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