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When Pallas was discovered, some estimates of its size were as high as 3,380 km in diameter. [26] Even as recently as 1979, Pallas was estimated to be 673 km in diameter, 26% greater than the currently accepted value. [27] The orbit of Pallas was determined by Gauss, who found the period of 4.6 years was similar to the period for Ceres.
The Pallas family (adj. Palladian; FIN: 801) is a small asteroid family of B-type asteroids at very high inclinations in the intermediate asteroid belt. [ 1 ] [ 2 ] The family was identified by Kiyotsugu Hirayama in 1928.
The first stage of Pallas-1 uses seven “CQ-50” liquid oxygen/kerosene engines, with a lift-off mass of 283 tons and a maximum payload capacity to low Earth orbit (LEO) of 8 tons. Using three Pallas-1 booster cores as its first stage, the rocket will be capable of putting a 17.5-tonne payload into low Earth orbit (LEO). [13]
Pallas-1 is planned to be capable of placing a 5-tonne payload into low Earth orbit (LEO), or a 3-tonne payload into a 700-kilometer Sun-synchronous orbit (SSO). [4] The first launch of the rocket was scheduled to take place in November 2024, [5] [needs update] while an initial attempt at first stage recovery using landing legs is slated for ...
The following is a collection of lists of asteroids of the Solar System that are exceptional in some way, such as their size or orbit. For the purposes of this article, "asteroid" refers to minor planets out to the orbit of Neptune , and includes the dwarf planet 1 Ceres , the Jupiter trojans and the centaurs , but not trans-Neptunian objects ...
Ioffe is a member of the Pallas family , a small, carbonaceous asteroid family in the central main-belt. [4] [7]: 23 It orbits the Sun at a distance of 2.4–3.2 AU once every 4 years and 7 months (1,689 days). Its orbit has an eccentricity of 0.14 and an inclination of 35° with respect to the ecliptic. [1]
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A flyby of the asteroid 2 Pallas after the completion of the Ceres mission was suggested but never formally considered; orbiting Pallas would not have been possible for Dawn due to the high inclination of Pallas's orbit relative to Ceres. [146]