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2348 Michkovitch

Main-belt asteroid

Field	Value
minorplanet	yes
name	2348 Michkovitch
background	#D6D6D6
discovery_ref
discovered	10 January 1939
discoverer	M. B. Protić
discovery_site	Belgrade Obs.
mpc_name	(2348) Michkovitch
alt_names	1939 AA1958 GR
1965 DA

named_after	Vojislav Mišković
(Serbian astronomer)
mp_category	main-beltErigone
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	78.28 yr (28,590 days)
aphelion	2.8089 AU
perihelion	1.9862 AU
semimajor	2.3975 AU
eccentricity	0.1716
period	3.71 yr (1,356 days)
mean_anomaly	60.159°
mean_motion	/ day
inclination	4.6718°
asc_node	186.37°
arg_peri	295.73°
dimensions
km
15.33 km (calculated)
rotation	h
albedo	0.057 (assumed)

spectral_type	C
abs_magnitude	12.412.8

1965 DA

(Serbian astronomer) km 15.33 km (calculated)

2348 Michkovitch, provisional designation **, is a presumed carbonaceous Erigone asteroid from the inner regions of the asteroid belt, approximately 15 km in diameter. It was discovered by Serbian astronomer Milorad Protić at Belgrade Observatory on 10 January 1939. The asteroid was named after Serbian astronomer Vojislav Mišković.

Orbit and classification

Michkovitch is a member of the Erigone family, named after 163 Erigone, its largest member and namesake. It is a rather young cluster (170–280 My) of dark carbonaceous asteroids in the inner asteroid belt, which otherwise consists mostly of stony asteroids.

It orbits the Sun in the inner main-belt at a distance of 2.0–2.8 AU once every 3 years and 9 months (1,356 days). Its orbit has an eccentricity of 0.17 and an inclination of 5° with respect to the ecliptic. No precoveries were taken. The asteroid's observation arc starts 15 days after its official discovery with the first used observation taken at the Royal Observatory of Belgium.

Naming

This minor planet was named by the discoverer after his professor Vojislav Mišković (1892–1976), first director of the new Belgrade Observatory and founder of the Astronomical Institute at SANU. The official naming citation was published by the Minor Planet Center on 7 March 1985 (M.P.C. 9477).

Physical characteristics

Rotation period

A 2011-published rotational lightcurve of Michkovitch was obtained from photometric observations by Australian amateur astronomer David Higgins. Lightcurve analysis gave a longer-than average rotation period of 28 hours with a brightness variation of 0.12 in magnitude ().

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Michkovitch measures 4.6 and 4.8 kilometers in diameter and its surface has an outstanding albedo of 0.84 and 0.92, respectively.

The Collaborative Asteroid Lightcurve Link strongly disagrees with the result obtained by the space-based observatory and assumes a standard albedo for carbonaceous asteroids of 0.057 and calculates a much larger diameter of 15.4 kilometers, as the lower the body's albedo (reflectivity), the larger its diameter at a constant absolute magnitude (brightness).

Notes

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.

erigone-asteroids discoveries-by-milorad-b.-protić named-minor-planets astronomical-objects-discovered-in-1939

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