1714 Sy

1714 Sy
Discovery
Discovered by	L. Boyer
Discovery site	Algiers Observatory
Discovery date	25 July 1951
Designations
MPC designation	1714 Sy
Named after	Frédéric Sy
Alternative designations	1951 OA · 1949 YM; 1950 DE1 · 1951 NM
Minor planet category	main-belt
Orbital characteristics
	Epoch 13 January 2016 (JD 2457400.5)
	Uncertainty parameter 0
Observation arc	66.22 yr (24186 days)
Aphelion	2.9648 AU (443.53 Gm)
Perihelion	2.1726 AU (325.02 Gm)
Semi-major axis	2.5687 AU (384.27 Gm)
Eccentricity	0.15420
Orbital period (sidereal)	4.12 yr (1503.8 d)
Mean anomaly	266.63°
Mean motion	0° 14m 21.84s / day
Inclination	7.9749°
Longitude of ascending node	300.96°
Argument of perihelion	320.84°
Earth MOID	1.16219 AU (173.861 Gm)
Jupiter MOID	2.15086 AU (321.764 Gm)
TJupiter	3.401
Physical characteristics
Dimensions	16.8 km
Mean radius	8.4 km
Geometric albedo	0.1088 ± 0.027
Absolute magnitude (H)	11.9

1714 Sy, provisional designation 1951 OA, is an asteroid from the main-belt, about 17 kilometers in diameter. It was discovered by French astronomer Louis Boyer at the North African Algiers Observatory in Algeria on July 25, 1951. The asteroid orbits the Sun at a distance of 2.2–3.0 AU once every 4.11 years (1,503 days). It has a geometric albedo of 0.11.^[1]

It is named after Frédéric Sy, who worked as an orbit computer and an assistant astronomer at Paris Observatory and Algiers Observatory, respectively. At Algiers Observatory, he observed asteroids and comets and was the first to discover a numbered minor planet, 858 El Djezaïr, in 1916.^[2]

References

^ ^a ^b ^c "JPL Small-Body Database Browser: 1714 Sy (1951 OA)" (2015-03-15 last obs.). Jet Propulsion Laboratory. Retrieved 22 April 2016.
^ ^a ^b Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1714) Sy. Springer Berlin Heidelberg. p. 136. ISBN 978-3-540-29925-7. Retrieved October 2015. {{cite book}}: Check date values in: |accessdate= (help)

External links

Dictionary of Minor Planet Names, Google books
1714 Sy at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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

[jpldata-1] "JPL Small-Body Database Browser: 1714 Sy (1951 OA)" (2015-03-15 last obs.). Jet Propulsion Laboratory. Retrieved 22 April 2016.

[springer-2] Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1714) Sy. Springer Berlin Heidelberg. p. 136. ISBN 978-3-540-29925-7. Retrieved October 2015. {{cite book}}: Check date values in: |accessdate= (help)

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