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2139 Makharadze

Rare-type main-belt asteroid

Field	Value
minorplanet	yes
name	2139 Makharadze
background	#D6D6D6
discovery_ref
discovered	30 June 1970
discoverer	T. Smirnova
discovery_site	Crimean Astrophysical Obs.
mpc_name	(2139) Makharadze
alt_names	1970 MC1928 TF
1970 PJ1974 QN
A924 RB
named_after	Ozurgeti (Georgian city)
mp_category	main-beltNysa
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	91.98 yr (33,594 days)
aphelion	2.9242 AU
perihelion	1.9997 AU
semimajor	2.4619 AU
eccentricity	0.1878
period	3.86 yr (1,411 days)
mean_anomaly	54.791°
mean_motion	/ day
inclination	2.1801°
asc_node	256.16°
arg_peri	67.561°
dimensions	8 km (calculated)
km
rotation	11.9759 h
albedo
spectral_type	Tholen = FF
B–V = 0.653
U–B = 0.231
abs_magnitude	12.80

1970 PJ1974 QN A924 RB km B–V = 0.653 U–B = 0.231

2139 Makharadze, provisional designation , is a rare-type Nysa asteroid from the inner region of the asteroid belt, approximately 14 km in diameter. It was discovered on 30 June 1970, by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj.

Orbit and classification

Makharadze belongs to the Nysa family of asteroids. It orbits the Sun in the inner main-belt at a distance of 2.0–2.9 AU once every 3 years and 10 months (1,411 days). Its orbit has an eccentricity of 0.19 and an inclination of 2° with respect to the ecliptic.

Physical characteristics

In the Tholen classification, Makharadze is a F-type asteroid. It has a rotation period of 11.9759 hours with a brightness variation of 0.38 magnitude.

Naming

This minor planet was named after the Georgian city of Ozurgeti, formerly known as Makharadze. Makharadze is the twin city of Genichesk, Tamara Smirnova's Ukrainian birthplace. The approved naming citation was published on 8 February 1982 (M.P.C. 6647).

References

Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm
Pray, D.P.; Galad, A.; Gajdos, S.; Kornos, L.; et al. (2006) Minor Planet Bul. 33, 26.

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.

nysa-asteroids discoveries-by-tamara-mikhaylovna-smirnova named-minor-planets ozurgeti f-type-asteroids-(tholen) astronomical-objects-discovered-in-1970

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