astro.wikisort.org - Asteroid

Clementina (minor planet designation: 252 Clementina) is a large main belt asteroid that was discovered by French astronomer Henri Joseph Anastase Perrotin on 11 October 1885 in Nice, France.[3] The origin of the name is not known.

252 Clementina

Discovery
Discovered by	J. Perrotin
Discovery date	11 October 1885
Designations
MPC designation	(252) Clementina
Alternative designations	A885 TB
Minor planet category	Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	130.51 yr (47667 d)
Aphelion	3.3790 AU (505.49 Gm)
Perihelion	2.93952 AU (439.746 Gm)
Semi-major axis	3.15924 AU (472.616 Gm)
Eccentricity	0.069548
Orbital period (sidereal)	5.62 yr (2051.0 d)
Average orbital speed	16.77 km/s
Mean anomaly	131.151°
Mean motion	0° 10m 31.876s / day
Inclination	10.044°
Longitude of ascending node	202.043°
Argument of perihelion	155.886°
Physical characteristics
Dimensions	69.29±4.4 km
Synodic rotation period	10.864 h (0.4527 d)[1][2]
Geometric albedo	0.0843±0.012
Absolute magnitude (H)	9.7

Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico, during 2012 gave a light curve with a period of 10.864 ± 0.001 hours and a brightness variation of 0.37 ± 0.02 in magnitude. This result is in agreement with previous studies.[2]

References

External links

• Lightcurve plot of 252 Clementina, Palmer Divide Observatory, B. D. Warner (2007)
• Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
• Dictionary of Minor Planet Names, Google books
• Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
• Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
• 252 Clementina at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 252 Clementina at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

На других языках

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[de] (252) Clementina

(252) Clementina ist ein Asteroid des äußeren Asteroiden-Hauptgürtels, der am 11. Oktober 1885 von Henri Joseph Perrotin am Observatorium von Nizza entdeckt wurde.

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- [en] 252 Clementina

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[es] (252) Clementina

(252) Clementina es un asteroide perteneciente al cinturón de asteroides descubierto el 11 de octubre de 1885 por Henri Joseph Anastase Perrotin desde el observatorio de Niza, Francia. Se desconoce la razón del nombre.[2]

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[ru] (252) Клементина

(252) Клементина (лат. Clementina) — типичный астероид главного пояса, который был открыт 11 октября 1885 года французским астрономом Перротэном в обсерватории Ниццы. Источник имени не известен, но, как полагают, является именем первой кошки Перротена.

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