Closest to Jupiter (inward of the Galilean moons) are the four small moons: . ... Adrastea , . ... M etis ( "MEE tis" ) is the innermost of Jupiter's known satellites: orbit : 128,000 km from Jupiter diameter : 40 km mass : 9.56e16 kg . ... Galileo "family portrait" of Jupiter's 4 inner moons . HST image of Metis and Jupiter's ring . A drastea ("a DRAS tee uh") is the second of Jupiter's known satellites: orbit : 129,000 km from Jupiter diameter : 20 km (23 x 20 x 15) mass : 1.91e16 kg . ...

Proteus . Neptune VIII - 1989N1 . Proteus [PROH-tee-us], like all six of Neptune's newly discovered small satellites, is one of the darkest objects in the solar system -- "as dark as soot" is not too strong of a description. ... Topographic Map of Proteus . ... As with all maps, it is the cartographer's interpretation; not all features are necessarily certain given the limited data available. ... This image is a shaded relief map of Proteus, a small inner satellite of Neptune. ...

... Small spacecraft bus (SSB) is developed for small spacecraft, operating on near-Earth orbits or interplanetary trajectories (to the Moon, Mars etc.) ... The unit mass is 2.8 kg. Solar sensors with 130x2° FOV, 6 ang. min accuracy, and 2x0.34 kg mass. Star sensor with star-identifying controller, 56° FOV, 3 ang. min accuracy, and 0.51 kg mass. ... SSB is capable to control the spacecraft, including the attitude. ... The bus was fully manufactured for the Cosmos 1 (Solar Sail) project (2005). ...

Cosmic Research, Vol. 42, No. 5, 2004, pp. 435­488. Translated from Kosmicheskie Issledovaniya, Vol. 42, No. 5, 2004, pp. 453­508. Original Russian Text Copyright © 2004 by Veselovsky, Panasyuk, Avdyushin, Bazilevskaya, Belov, Bogachev, Bogod, Bogomolov, Bothmer, Boyarchuk, Vashenyuk, Vlasov, Gnezdilov, Gorgutsa, Grechnev, Denisov, Dmitriev, Dryer, Yermolaev, Eroshenko, Zherebtsov, Zhitnik, Zhukov, Zastenker, Zelenyi, Zeldovich, Ivanov-Kholodnyi, Ignat'ev, Ishkov, Kolomiytsev, Krasheninnikov, Kudela,