545 Messalina

545 Messalina
Discovery
Discovered by	Paul Götz
Discovery site	Heidelberg
Discovery date	3 October 1904
Designations
MPC designation	(545) Messalina
Pronunciation	/mɛsəˈliːnə/ or /mɛsəˈlaɪnə/
Alternative designations	1904 OY
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	111.54 yr (40741 d)
\|{{{apsis}}}\|helion}}	3.7428 astronomical unit\|AU (559.91 Gm)
\|{{{apsis}}}\|helion}}	2.6600 AU (397.93 Gm)
Semi-major axis	3.2014 AU (478.92 Gm)
Eccentricity	0.16912
Orbital period	5.73 yr (2092.2 d)
Mean anomaly	305.368°
Mean motion	0° 10m 19.416s / day
Inclination	11.204°
Longitude of ascending node	333.638°
\|{{{apsis}}}\|helion}}	330.686°
Physical characteristics
Mean radius	55.645±2.15 km
Rotation period	7.2 h (0.30 d)
Geometric albedo	0.0415±0.003
Absolute magnitude (H)	8.84

Messalina (minor planet designation: 545 Messalina) is a minor planet orbiting the Sun. It was discovered on 3 October 1904 by Paul Götz (provisional name 1904 OY), at Heidelberg. It is named after Valeria Messalina, the third wife of Roman Emperor Claudius.^[4]^[5]^[6]

References

↑ Messalina (3rd ed.), Oxford University Press, September 2005, http://oed.com/search?searchType=dictionary&q=Messalina (Subscription or UK public library membership required.)
↑ Noah Webster (1884) A Practical Dictionary of the English Language
↑ "545 Messalina (1904 OY)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=545;cad=1.
↑ Lutz D. Schmadel (2013). Dictionary of Minor Planet Names (Third ed.). Springer Science & Business Media. p. 89. ISBN 978-3-662-06615-7. https://books.google.com/books?id=eHv1CAAAQBAJ&pg=PA89.
↑ Popular Astronomy. Goodsell Observatory of Carleton College. 1906. p. 432. https://books.google.com/books?id=hAhLAAAAYAAJ&pg=PA432.
↑ The Athenaeum. British Periodicals Limited. 1906. p. 705. https://books.google.com/books?id=CM5AAQAAMAAJ&pg=PA705.

External links

545 Messalina at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
545 Messalina at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

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[1] Messalina (3rd ed.), Oxford University Press, September 2005, http://oed.com/search?searchType=dictionary&q=Messalina (Subscription or UK public library membership required.)

[2] Noah Webster (1884) A Practical Dictionary of the English Language

[jpldata-3] "545 Messalina (1904 OY)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=545;cad=1.

[naming-4] Lutz D. Schmadel (2013). Dictionary of Minor Planet Names (Third ed.). Springer Science & Business Media. p. 89. ISBN 978-3-662-06615-7. https://books.google.com/books?id=eHv1CAAAQBAJ&pg=PA89.

[naming2-5] Popular Astronomy. Goodsell Observatory of Carleton College. 1906. p. 432. https://books.google.com/books?id=hAhLAAAAYAAJ&pg=PA432.

[ath-6] The Athenaeum. British Periodicals Limited. 1906. p. 705. https://books.google.com/books?id=CM5AAQAAMAAJ&pg=PA705.