435 Ella
Appearance
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 | |
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]
Photometric observations during 1995 show a rotation period of 4.264 hours. 435 Ella is classified as a DCX-type asteroid.[3]
References
[edit]- ^ "435 Ella (1898 DS)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 16 September 2020. 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.
External links
[edit]- 435 Ella at AstDyS-2, Asteroids—Dynamic Site
- 435 Ella at the JPL Small-Body Database