périgée
81Éclipse solaire — Photo de l éclipse totale de 1999. Une éclipse solaire se produit lorsque la Lune se place devant le Soleil, occultant totalement ou partiellement l image du Soleil depuis la Terre. Cette configuration peut se produire uniquement durant la… …
82Chandrayaan-1 — Operator Indian Space Research Organisation Mission type Orbiter Satellite of Moon Orbital insertion date 8 November 2008 Orbits 3400 orbits around the …
83Orbital perturbation analysis (spacecraft) — Isaac Newton in his Philosophiæ Naturalis Principia Mathematica demonstrated that the gravitational force between two mass points is inversely proportional to the square of the distance between the points and fully solved corresponding two body… …
84Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) …
85INTEGRAL — Infobox Space telescope name = International Gamma Ray Astrophysics Laboratory (INTEGRAL) caption = Artist s illustration of INTEGRAL in orbit (credit: ESA) organization = ESA / NASA / RKA alt names = nssdc id = location = orbit type = height = 9 …
86Two-line elements — Orbital parameter for the SGP4 model (or one of the SGP8, SDP4, SDP8 models) are determined for many thousands of space objects by NORAD and are freely distributed on the Internet in the form of TLEs by Celestrak (http://celestrak.com/). Here the …
87Monsters in Martin Mystery — These are the monsters and other such creatures found in the Martin Mystery animated series. Boogeyman A giant, vaguely humanoid being apparently composed of plant matter and maggots the Boogeyman was featured as the main villain of the episode… …
88List of orbits — The following is a list of types of orbits:Centric classifications* Galactocentric orbit: An orbit about the center of a galaxy. Earth s sun follows this type of orbit about the galactic center of the Milky Way. * Heliocentric orbit: An orbit… …
892006 RH120 — Infobox Planet | discovery=yes | physical characteristics = yes | bgcolour=#FFFFC0 name= 2006 RH120 Ephemeris is variable due to proximity and Earth s gravity. Customized ephemerides available at http://ssd.jpl.nasa.gov/horizons.cgi… …
90Granat — Infobox Space telescope name = International Astrophysical Observatory GRANAT caption = picture credit: NASA organization = Soviet space program major contractors = NPO Lavochkin alt names = nssdc id =… …
