.png) A three-dimensional model of 695 Bella based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 7 November 1909 |
| Designations | |
| MPC designation | (695) Bella |
| Alternative designations | 1909 JB |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 102.48 yr (37432 d) |
| Aphelion | 2.9457 AU (440.67 Gm) |
| Perihelion | 2.1375 AU (319.77 Gm) |
| Semi-major axis | 2.5416 AU (380.22 Gm) |
| Eccentricity | 0.15900 |
| Orbital period (sidereal) | 4.05 yr (1480.0 d) |
| Mean anomaly | 183.825° |
| Mean motion | 0° 14 35.7 / day |
| Inclination | 13.838° |
| Longitude of ascending node | 275.632° |
| Argument of perihelion | 79.589° |
| Physical characteristics | |
| Mean radius | 24.09±0.75 km |
| Synodic rotation period | 14.222 h (0.5926 d) |
| Geometric albedo | 0.1450±0.009 |
| Absolute magnitude (H) | 9.30 |
695 Bella is a minor planet orbiting the Sun.
Although this asteroid has dynamic properties that make it a candidate for the Maria family, the spectral properties of the object indicate it is most likely an interloper. Instead, it may have been spalled off from 6 Hebe or its parent body. 695 Bella and 6 Hebe orbit on opposite sides of the 3:1 Kirkwood gap, and the two have similar orbital elements.
References
- "695 Bella (1909 JB)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- Fieber-Beyer, Sherry K.; et al. (June 2011), "The Maria asteroid family: Genetic relationships and a plausible source of mesosiderites near the 3:1 Kirkwood Gap", Icarus, 213 (2): 524–537, Bibcode:2011Icar..213..524F, doi:10.1016/j.icarus.2011.03.009, retrieved 23 December 2015.
External links
- 695 Bella at AstDyS-2, Asteroids—Dynamic Site
- 695 Bella at the JPL Small-Body Database
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