435 Ella
Ella (minor planet designation: 435 Ella) is a typical Main belt asteroid. It was discovered by Max Wolf and A. Schwassmann on 11 September 1898 in Heidelberg. This is the eponymous member of a proposed asteroid family with at least 15 members.[2]
.png.webp) A three-dimensional model of 435 Ella based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf A. Schwassmann |
| Discovery date | 11 September 1898 |
| Designations | |
| (435) Ella | |
| 1898 DS | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 117.60 yr (42955 d) |
| Aphelion | 2.8297 AU (423.32 Gm) |
| Perihelion | 2.0688 AU (309.49 Gm) |
| 2.4492 AU (366.40 Gm) | |
| Eccentricity | 0.15533 |
| 3.83 yr (1400.1 d) | |
| 265.450° | |
| 0° 15m 25.668s / day | |
| Inclination | 1.8168° |
| 23.192° | |
| 333.682° | |
| Physical characteristics | |
| Dimensions | 41.49±1.5 km |
| 4.623 h (0.1926 d) | |
| 0.0831±0.006 | |
| 10.23 | |
Photometric observations during 1995 show a rotation period of 4.264 hours. 435 Ella is classified as a DCX-type asteroid.[3]
References
- "435 Ella (1898 DS)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.
- Bendjoya, P. (November 1993), "A Classification of 6479 Asteroids Into Families by Means of the Wavelet Clustering Method", Astronomy and Astrophysics Supplement, 102 (1): 25, Bibcode:1993A&AS..102...25B.
- Piironen, J.; et al. (March 1998), "Physical studies of asteroids. XXXII. Rotation periods and UBVRI-colours for selected asteroids", Astronomy and Astrophysics Supplement, 128 (3): 525–540, Bibcode:1998A&AS..128..525P, doi:10.1051/aas:1998393.
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