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1735 ITA

Main-belt asteroid

Field	Value
minorplanet	yes
name	1735 ITA
background	#D6D6D6
image	001735-asteroid shape model (1735) ITA.png
caption	Shape model of ITA from its lightcurve
discovery_ref
discovered	10 September 1948
discoverer	P. F. Shajn
discovery_site	Simeiz Obs.
mpc_name	(1735) ITA
alt_names	1929 DA
1934 BC
1935 GC1937 TN
1948 TK
1951 DL1951 EY
1952 JB
A907 GC
named_after	Institute for Theoretical Astronomy (USSR)
mp_category	main-belt(outer)
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	109.99 yr (40,173 days)
aphelion	3.5471 AU
perihelion	2.7277 AU
semimajor	3.1374 AU
eccentricity	0.1306
period	5.56 yr (2,030 days)
mean_anomaly	198.34°
mean_motion	/ day
inclination	15.608°
asc_node	9.3378°
arg_peri	276.02°
dimensions	km
61.93 km (derived)
km
km
rotation	h
h
h
albedo	0.0461 (derived)

spectral_type	C
abs_magnitude	9.49.9010.0

1934 BC 1935 GC1937 TN 1948 TK 1951 DL1951 EY 1952 JB A907 GC 61.93 km (derived) km km h h

1735 ITA (prov. designation: ) is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 62 kilometers in diameter. It was discovered on 10 September 1948, by Soviet–Russian astronomer Pelageya Shajn at the Simeiz Observatory located on the Crimean peninsula. It was named for the Institute for Theoretical Astronomy (ITA) in what is now Saint Petersburg, Russia.

Classification and orbit

ITA orbits the Sun in the outer main-belt at a distance of 2.7–3.5 AU once every 5 years and 7 months (2,030 days). Its orbit has an eccentricity of 0.13 and an inclination of 16° with respect to the ecliptic.

It was first identified as at Heidelberg Observatory in 1907, extending the body's observation arc by 41 years prior to its official discovery observation.

Physical characteristics

ITA has been characterized as a carbonaceous C-type asteroid.

Lightcurves

In November 2004, a rotational lightcurve was obtained by French amateur astronomer René Roy, gave a rotation period of 12.599 hours with a brightness variation of 0.27 magnitude (). In March 2007, astronomers Laurent Brunetto and Jean-Gabriel Bosch derived a concurring period of 12.6 hours with and amplitude of 0.40 magnitude () A 2016-published light-curve from the Lowell Photometric Database gave a period of 12.6103 hours ().

Diameter and albedo

According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, ITA measures between 61.87 and 66.09 kilometers in diameter, and its surface has an albedo between 0.051 and 0.079. The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0461 and a diameter of 61.93 kilometers with an absolute magnitude of 10.0.

Between 2009 and 2023, 1735 ITA has been observed to occult four stars.

Naming

This minor planet was named in 1979, on the occasion of the 60th anniversary of the founding of the USSR Academy of Sciences Institute for Theoretical Astronomy (ITA), in what was then Leningrad. The official naming citation was published by the Minor Planet Center on 1 June 1980 (M.P.C. 5357).

References

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

background-asteroids discoveries-by-pelageya-shajn named-minor-planets astronomical-objects-discovered-in-1948

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