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From Wikipedia, the free encyclopedia
780 Armenia is a minor planet in the asteroid belt orbiting the Sun. It is named after the Kingdom of Armenia, now Armenia. This object is orbiting at a distance of 3.11 AU with an eccentricity of 0.097 and a period of 5.50 yr. The orbital plane is inclined at an angle of 19.1° to the plane of rotation.[2] This asteroid spans a girth of ~94 km. The long rotation period of this asteroid necessitated light curve data from more than one latitude. The overlapping data provided a solution with a period of 19.891±0.002 h and a brightness amplitude of 0.18±0.03 in magnitude.[3]
Discovery | |
---|---|
Discovered by | G. N. Neujmin |
Discovery site | Simeiz Observatory |
Discovery date | 25 January 1914 |
Designations | |
(780) Armenia | |
Pronunciation | /ɑːrˈmiːiə/[1] |
1914 UC | |
Orbital characteristics[2] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 107.14 yr (39134 d) |
Aphelion | 3.4169 AU (511.16 Gm) |
Perihelion | 2.8119 AU (420.65 Gm) |
3.1144 AU (465.91 Gm) | |
Eccentricity | 0.097135 |
5.50 yr (2007.5 d) | |
346.438° | |
0° 10m 45.552s / day | |
Inclination | 19.085° |
144.857° | |
214.403° | |
Physical characteristics | |
47.20±0.85 km | |
19.891 h (0.8288 d) | |
0.0498±0.002 | |
9.00 | |
This object is the namesake of the Armenia family, a family of 13–76 asteroids that share similar spectral properties and orbital elements; hence they may have arisen from the same collisional event. All members have a relatively high orbital inclination.[4]
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