435 Ella
{{Short description|Main-belt asteroid}}
{{Use dmy dates|date=October 2019}}
{{Infobox planet
| minorplanet=yes
| background=#D6D6D6
| image=435Ella (Lightcurve Inversion).png
| image_scale =
| caption=A three-dimensional model of 435 Ella based on its light curve
| name=435 Ella
| discoverer=M. F. Wolf
A. Schwassmann
| discovered=11 September 1898
| mpc_name=(435) Ella
| alt_names=1898 DS
| mp_category=Main belt
| epoch=31 July 2016 (JD 2457600.5)
| semimajor={{Convert|2.4492|AU|Gm|abbr=on}}
| perihelion={{Convert|2.0688|AU|Gm|abbr=on}}
| aphelion={{Convert|2.8297|AU|Gm|abbr=on|lk=on}}
| eccentricity=0.15533
| inclination=1.8168°
| asc_node=23.192°
| arg_peri=333.682°
| mean_anomaly=265.450°
| dimensions={{val|41.49|1.5|ul=km}}
| mass=
| density=
| rotation={{Convert|4.623|h|d|abbr=on|lk=on}}
| spectral_type=
| abs_magnitude=10.23
| albedo={{val|0.0831|0.006}}
| mean_motion={{Deg2DMS|0.25713|sup=ms}} / day
| orbit_ref={{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=435;cad=1 |archive-url=https://web.archive.org/web/20200916105910/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=435;cad=1 |url-status=dead |archive-date=16 September 2020 |title=435 Ella (1898 DS) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=10 May 2016}}
| observation_arc=117.60 yr (42955 d)
| uncertainty=0
}}
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.
Photometric observations during 1995 show a rotation period of 4.264 hours. 435 Ella is classified as a DCX-type asteroid.
References
{{reflist|refs=
| title=A Classification of 6479 Asteroids Into Families by Means of the Wavelet Clustering Method
| last1=Bendjoya | first1=P.
| journal=Astronomy and Astrophysics Supplement
| volume=102 | issue=1 | page=25 | date=November 1993
| bibcode=1993A&AS..102...25B | postscript=. }}
| display-authors=1
| last1=Piironen | first1=J.
| last2=Lagerkvist | first2=C.-I.
| last3=Erikson | first3=A.
| last4=Oja | first4=T.
| last5=Magnusson | first5=P.
| last6=Festin | first6=L.
| last7=Nathues | first7=A.
| last8=Gaul | first8=M.
| last9=Velichko | first9=F.
| title=Physical studies of asteroids. XXXII. Rotation periods and UBVRI-colours for selected asteroids
| journal=Astronomy and Astrophysics Supplement
| volume=128 | issue=3 | pages=525–540 | date=March 1998
| doi=10.1051/aas:1998393 | bibcode=1998A&AS..128..525P | postscript=.
| doi-access=free}}
}}
External links
- {{AstDys|435}}
- {{JPL small body}}
{{Minor planets navigator |434 Hungaria |number=435 |436 Patricia}}
{{Small Solar System bodies}}
{{Authority control}}
{{DEFAULTSORT:000435}}
Category:DCX-type asteroids (Tholen)
{{Beltasteroid-stub}}