203 Pompeja

Pompeja (minor planet designation: 203 Pompeja) is a quite large main-belt asteroid.

203 Pompeja
Discovery
Discovered byC. H. F. Peters
Discovery date25 September 1879
Designations
(203) Pompeja
Pronunciation/pɒmˈpiːə/[1]
Named after
Pompeii
A895 EA
Main belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc136.43 yr (49832 d)
Aphelion2.8968 AU (433.36 Gm)
Perihelion2.5766 AU (385.45 Gm)
2.7367 AU (409.40 Gm)
Eccentricity0.058490
4.53 yr (1653.6 d)
18.01 km/s
47.6383°
0° 13m 3.72s / day
Inclination3.1780°
347.916°
57.060°
Physical characteristics
Dimensions116.25±2.5 km
24.052 h (1.0022 d)[3][2]
0.0410±0.002
DCX:
8.76

    It was discovered by C. H. F. Peters on September 25, 1879, in Clinton, New York, and named after Pompeii, the Roman town destroyed in volcanic eruption in AD 79.

    Based upon Photometric observations taken during 2011, it has a synodic rotation period of 24.052 ± 0.001 h, with a peak-to-peak amplitude of 0.10 ± 0.01 in magnitude. Because the rotation period nearly matches that of the Earth, it required coordinated observations from multiple observatories at widely spaced latitudes to produce a complete light curve.[3]

    References
    1. 'Pompeia' in Noah Webster (1884) A Practical Dictionary of the English Language
    2. "203 Pompeja". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
    3. Pilcher, Frederick; et al. (July 2012), "Rotation Period Determination for 203 Pompeja - Another Triumph of Global Collaboration", The Minor Planet Bulletin, 39 (3): 99, Bibcode:2012MPBu...39...99P


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