244 Sita

244 Sita
	3D model based on lightcurve data
Discovery
Discovered by	Johann Palisa
Discovery date	14 October 1884
Designations
MPC designation	(244) Sita
Pronunciation	/ˈsiːtə/
Named after	Sita
Alternative designations	A884 TA, 1900 UA; 1957 KT, 1976 HY; 1979 FL3
Minor planet category	main-belt
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	130.93 yr (47824 d)
Aphelion	2.47317 AU (369.981 Gm)
Perihelion	1.87531 AU (280.542 Gm)
Semi-major axis	2.17424 AU (325.262 Gm)
Eccentricity	0.13749
Orbital period (sidereal)	3.21 yr (1171.0 d)
Mean anomaly	46.3767°
Mean motion	0° 18m 26.737s / day
Inclination	2.84423°
Longitude of ascending node	208.982°
Argument of perihelion	166.029°
Physical characteristics
Mean diameter	10.95±0.8 km ; 11 km
Mass	~2×1015 (estimate)
Mean density	~2.7 g/cm3 (estimate)
Synodic rotation period	129.51 h (5.396 d)
Geometric albedo	0.1941±0.033 ; 0.194
Spectral type	S
Absolute magnitude (H)	11.9

244 Sita is a background asteroid from the inner region of the asteroid belt, approximately 11 kilometers (6.8 miles) in diameter. It was discovered on 14 October 1884, by an Austrian astronomer Johann Palisa in the Vienna Observatory. It was named for the Hindu deity Sita.^[5]

References

^ ^a ^b ^c "244 Sita". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
^ ^a ^b "Supplemental IRAS Minor Planet Survey". Archived from the original on 23 June 2006.
^ G. A. Krasinsky, E. V. Pitjeva, M. V. Vasilyev, E. I. Yagudina (2002). "Hidden Mass in the Asteroid Belt". Icarus. 158 (1): 98–105. Bibcode:2002Icar..158...98K. doi:10.1006/icar.2002.6837.
^ PDS spectral class data
^ Schmadel, Lutz (5 August 2003). Dictionary of Minor Planet Names. Springer Science & Business Media. ISBN 9783540002383 – via Google Books.

External links

The Asteroid Orbital Elements Database
Minor Planet Discovery Circumstances
244 Sita at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
244 Sita at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

This article about an S-type asteroid native to the asteroid belt is a stub. You can help Wikipedia by expanding it.

[jpldata-1] "244 Sita". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.

[IRAS-2] "Supplemental IRAS Minor Planet Survey". Archived from the original on 23 June 2006.

[Krasinsky-3] G. A. Krasinsky, E. V. Pitjeva, M. V. Vasilyev, E. I. Yagudina (2002). "Hidden Mass in the Asteroid Belt". Icarus. 158 (1): 98–105. Bibcode:2002Icar..158...98K. doi:10.1006/icar.2002.6837.

[PDS_lc-4] PDS spectral class data

[5] Schmadel, Lutz (5 August 2003). Dictionary of Minor Planet Names. Springer Science & Business Media. ISBN 9783540002383 – via Google Books.

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