A scheme of a software system for data processing is described. The French astronomer Charles Messier was a comet hunter. Dreyer's New General Catalogue of Nebulae and Clusters of Stars. The Satellite Catalog Number (also known as NORAD Catalog Number, NASA catalog number, USSPACECOM object number or simply Catalog number and similar variants) is a sequential 5-digit number assigned by USSPACECOM to all Earth orbiting satellites in order of identification. More historic materials on Charles Messier and his catalog. The catalog of artificial space objects (ASO) is used for evaluation of the security of space flights. The space age began on October 4, 1957 with the launch of the first artificial satellite, Sputnik 1. SEARCH BY SPACE COMMAND ID Exact matches only. The Space Surveillance System is currently maintaining the catalog of ASO, containing more than 5000 objects (with size more than 10 cm), the parameters of their orbits are continuously improved from radar tracking observations. Although the space near Earth looks crowded, each dot is much larger than the satellite or debris it represents, and collisions are extremely rare. GC: General Catalogue John Herschel's famous General Catalogue of nonstellar objects: Catalogue of Nebulae and Clusters of Stars. I haven't yet read how to actually include this data anywhere - but none-the-less, here it is. The people on the space station will not change the artificial gravity on the space station just like they do not effect the gravity while they are on Earth. Catalogue of Manmade Material on the Moon NASA History Program Office 7-05-12 For the past half-century, the Moon has been the destination of some of humankind’s most monumental and challenging expeditions. Since 1962, the United Nations has maintained a Register of Objects Launched into Outer Space. The Nebulae and Clusters of Stars NGC, or New General Catalogue is a list or catalogue of deep sky objects. He was fed up of discovering objects that initially looked like comets but weren't, so he published a catalogue which eventually contained 110 of these objects. As the Moon becomes more accessible to both national space programs and private There's a new catalog out - Artificial Space Objects. It is true that all objects which have mass exert a gravitational pull on other objects, but unless the mass is very large (like the earth) it has little effect. 154 (1864), 1-137. 14.1 - Be able to use the Messier and New General Catalogue (NGC) in cataloguing nebulae, clusters and galaxies Messier Objects. It was first compiled by a person named J. L. E. Dreyer in 1888, using observed data from various astronomers, among them William Herschel and his son, and James Dunlop. Each black dot in this image shows either a functioning satellite, an inactive satellite, or a piece of debris. (Dreyer 1888). Many of them were only badly determined, though. Thousands of manmade objects—95 % of them “space junk”— occupy low Earth orbit. First more reliable and comprehensive catalog of deep sky objects, must-see for amateurs. New General Catalogue. Philosophical Transactions of the Royal Society (London), Vol. Catalog of 629 positions of nebulous objects. NGC: New General Catalog J.L.E.