 Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 22 September 1892 |
| Designations | |
| MPC designation | (337) Devosa |
| Pronunciation | /dɪˈvoʊsə/ |
| Named after | (unknown) |
| Alternative designations | 1892 E |
| Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 123.6 yr (45,130 d) |
| Aphelion | 2.71030 AU (405.455 Gm) |
| Perihelion | 2.05546 AU (307.492 Gm) |
| Semi-major axis | 2.38288 AU (356.474 Gm) |
| Eccentricity | 0.13741 |
| Orbital period (sidereal) | 3.68 yr (1,343.4 d) |
| Mean anomaly | 169.690° |
| Mean motion | 0° 16 4.616 / day |
| Inclination | 7.85443° |
| Longitude of ascending node | 355.479° |
| Argument of perihelion | 98.6063° |
| Physical characteristics | |
| Dimensions | 64.549±1.303 km 66.63±0.98 km |
| Mass | (5.34 ± 2.63/1.3)×10 kg |
| Mean density | 3.449 ± 1.700/0.839 g/cm |
| Synodic rotation period | 4.653 h (0.1939 d) |
| Geometric albedo | 0.135±0.017 |
| Spectral type | X |
| Absolute magnitude (H) | 8.99 |
337 Devosa is a large Main belt asteroid. It was discovered by Auguste Charlois on 22 September 1892 in Nice. The asteroid is orbiting the Sun at a distance of 2.38 AU with a period of 3.68 years and an eccentricity (ovalness) of 0.14. These orbital elements are similar to that of the large asteroid 4 Vesta. The orbital plane of 337 Devosa is tilted at an angle of 7.85° to the plane of the ecliptic.
This is classified as an X-type asteroid in the Tholen system and Xk type in the Bus-DeMeo taxonomy, with spectral properties similar to mesosiderites. It spans a girth of 59±2 km and has a rotation period of 4.65 h.
References
- ^ "337 Devosa (1892 E)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- ^ Fienga, A.; Avdellidou, C.; Hanuš, J. (February 2020). "Asteroid masses obtained with INPOP planetary ephemerides". Monthly Notices of the Royal Astronomical Society. 492 (1). doi:10.1093/mnras/stz3407.
- ^ Vernazza, P.; et al. (August 2009), "Plausible parent bodies for enstatite chondrites and mesosiderites: Implications for Lutetia's fly-by" (PDF), Icarus, 202 (2): 477–486, Bibcode:2009Icar..202..477V, doi:10.1016/j.icarus.2009.03.016, S2CID 121063328.
- Ockert-Bell, M. E.; et al. (December 2010), "The composition of M-type asteroids: Synthesis of spectroscopic and radar observations", Icarus, 210 (2): 674–692, Bibcode:2010Icar..210..674O, doi:10.1016/j.icarus.2010.08.002.
External links
- 337 Devosa at AstDyS-2, Asteroids—Dynamic Site
- 337 Devosa at the JPL Small-Body Database
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