762 Pulcova and satellite as seen with adaptive optics in 2000
|Discovered by||G. N. Neujmin|
|Discovery date||3 September 1913|
|Adjectives||Pulcovian / /|
|Epoch 31 July 2016 (JD 2457600.5)|
|Uncertainty parameter 0|
|Observation arc||100.08 yr (36553 d)|
|Aphelion||3.4801 AU (520.62 Gm) (Q)|
|Perihelion||2.8291 AU (423.23 Gm) (q)|
|3.1546 AU (471.92 Gm) (a)|
|5.60 yr (2046.5 d)|
|0° 10m 33.276s / day (n)|
|Known satellites||S/2000 (762) 1|
|Earth MOID||1.84297 AU (275.704 Gm)|
|Jupiter MOID||1.60162 AU (239.599 Gm)|
|5.839 h (0.2433 d)|
Sidereal rotation period
|11.93 to 14.79|
762 Pulcova is a main-belt asteroid. It was discovered by Grigoriy N. Neujmin in 1913, km in diameter, and is a C-type asteroid, which means that it is dark in colouring with a carbonate composition.and is named after Pulkovo Observatory, near Saint Petersburg. Pulcova is 137
Photometric observations of this asteroid from Leura, Australia during 2006 gave a light curve with a period of 5.8403 ± 0.0005 hours and a brightness variation of 0.20 ± 0.02 in magnitude. This result is in agreement with previous studies.
On February 22, 2000, km. Its orbital period is 4 days. The satellite is about 4 magnitudes fainter than the primary. It was one of the first asteroid moons to be identified.astronomers at the Canada-France-Hawaii Telescope on Mauna Kea, Hawaii, discovered a small, 15-km moon (roughly a 10th the size of the primary) orbiting Pulcova at a distance of 800
In the year 2000, Merline estimated Pulcova to have a density of 1.8 g/cm³, which would make it more dense than the trinary asteroid 45 Eugenia, and binary 90 Antiope.But estimates by Marchis in 2008 suggest a density of only 0.90 g/cm³, suggesting it may be a loosely packed rubble pile, not a monolithic object.
A minor-planet moon is an astronomical object that orbits a minor planet as its natural satellite. As of October 2020, there are 416 minor planets known or suspected to have moons. Discoveries of minor-planet moons are important because the determination of their orbits provides estimates on the mass and density of the primary, allowing insights of their physical properties that is generally not otherwise possible.
Antiope is a double asteroid in the outer asteroid belt. It was discovered on October 1, 1866, by Robert Luther. In 2000, it was found to consist of two almost-equally-sized bodies orbiting each other. At average diameters of about 88 km and 84 km, both components are among the 500 largest asteroids. Antiope is a member of the Themis family of asteroids that share similar orbital elements.
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