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Libussa (minor planet designation: 264 Libussa) is a Main belt asteroid that was discovered by C. H. F. Peters on December 22, 1886, in Clinton, New York and was named after Libussa, the legendary founder of Prague.[3] It is classified as an S-type asteroid.

264 Libussa
A three-dimensional model of 264 Libussa based on its light curve
Discovery
Discovered byC. H. F. Peters
Discovery date22 December 1886
Designations
MPC designation
(264) Libussa
PronunciationGerman: [ˈliːbʊsaː]
Named after
Libuše
Alternative designations
A886 YA
Minor planet category
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc123.02 yr (44934 d)
Aphelion3.1799 AU (475.71 Gm)
Perihelion2.41375 AU (361.092 Gm)
Semi-major axis
2.79681 AU (418.397 Gm)
Eccentricity0.13696
Orbital period (sidereal)
4.68 yr (1708.4 d)
Average orbital speed
17.81 km/s
Mean anomaly
254.88°
Mean motion
0° 12m 38.592s / day
Inclination10.426°
Longitude of ascending node
49.608°
Argument of perihelion
340.891°
Physical characteristics
Dimensions50.48±2.7 km
Synodic rotation period
9.2276 h (0.38448 d)[1][2]
Geometric albedo
0.2971±0.034
Spectral type
S
Absolute magnitude (H)
8.42

    Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico, in 2008 gave an asymmetrical, bimodal light curve with a period of 9.2276 ± 0.0002 hours and a brightness variation of 0.33 ± 0.03 in magnitude.[2] Observation from the W. M. Keck Observatory show an angular size of 57 mas, which is close to the resolution limit of the instrument. The estimated maximum size of the asteroid is about 66 ± 7 km. It has an asymmetrical shape with a size ratio of more than 1.22 between the major and minor axes.[4]

    Between 2005 and 2021, 264 Libussa has been observed to occult five stars.


    References


    1. Yeomans, Donald K., "264 Libussa", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 11 May 2016.
    2. Pilcher, Frederick; Jardine, Don (April 2009), "Period Determinations for 31 Euphrosyne, 35 Leukothea 56 Melete, 137 Meliboea, 155 Scylla, and 264 Libussa", The Minor Planet Bulletin, 36 (2): 52–54, Bibcode:2009MPBu...36...52P
    3. Schmadel, Lutz D. (2007). "(264) Libussa". Dictionary of Minor Planet Names – (264) Libussa. Springer Berlin Heidelberg. p. 38. doi:10.1007/978-3-540-29925-7_265. ISBN 978-3-540-00238-3.
    4. Marchis, F.; et al. (November 2006), "Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey", Icarus, 185 (1): 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, PMC 2600456, PMID 19081813, retrieved 27 March 2013.



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    На других языках

    [de] (264) Libussa

    (264) Libussa ist ein Asteroid des Asteroiden-Hauptgürtels, der am 22. Dezember 1886 von Christian Heinrich Friedrich Peters am Observatorium von Clinton (USA) entdeckt wurde.
    - [en] 264 Libussa

    [es] (264) Libussa

    (264) Libussa es un asteroide que forma parte del cinturón de asteroides y fue descubierto por Christian Heinrich Friedrich Peters el 22 de diciembre de 1886 desde el observatorio Litchfield de Clinton, Estados Unidos. Está nombrado por la legenderia princesa checa Libussa, fundadora de Praga.[2]

    [ru] (264) Либусса

    (264) Ли́бусса (чеш. Libuše) — один из типичных астероидов главного пояса, который принадлежит к светлому спектральному классу S.


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