Earth orbit rendezvous (EOR) is a method for conducting round trip human flights to the Moon, involving the use of space rendezvous to assemble, and possibly...
5 KB (603 words) - 23:52, 21 June 2024
Lunar orbit rendezvous (LOR) is a process for landing humans on the Moon and returning them to Earth. It was utilized for the Apollo program missions in...
19 KB (2,218 words) - 07:28, 9 February 2024
rendezvous (/ˈrɒndeɪvuː/) is a set of orbital maneuvers during which two spacecraft, one of which is often a space station, arrive at the same orbit and...
36 KB (3,729 words) - 15:54, 24 July 2024
Saturn C-3 (section Earth orbit rendezvous)
different rendezvous possibilities. The alternatives included Earth-orbital rendezvous (EOR), lunar-orbital rendezvous (LOR), Earth and lunar rendezvous, and...
16 KB (1,922 words) - 20:04, 8 July 2024
Earth orbits the Sun at an average distance of 149.60 million km (92.96 million mi), or 8.317 light-minutes, in a counterclockwise direction as viewed...
17 KB (1,837 words) - 03:18, 12 August 2024
Lunar orbit rendezvous (LOR) used on the United States NASA Apollo program missions to Earth's moon during 1969 to 1972, as opposed to Earth orbit rendezvous...
5 KB (462 words) - 20:37, 27 February 2023
Geocentric orbit: An orbit around the planet Earth, such as that of the Moon or of artificial satellites. Selenocentric orbit (named after Selene): An orbit around...
31 KB (3,471 words) - 19:19, 24 February 2024
NEAR Shoemaker (redirect from Near Earth Asteroid Rendezvous)
Near Earth Asteroid Rendezvous – Shoemaker (NEAR Shoemaker), renamed after its 1996 launch in honor of planetary scientist Eugene Shoemaker, was a robotic...
27 KB (2,858 words) - 10:58, 25 October 2023
spaceflight, a lunar orbit (also known as a selenocentric orbit) is an orbit by an object around Earth's Moon. In general these orbits are not circular....
16 KB (1,730 words) - 16:41, 8 August 2024
above Earth's equator, 42,164 km (26,199 mi) in radius from Earth's center, and following the direction of Earth's rotation. An object in such an orbit has...
49 KB (4,861 words) - 05:05, 11 June 2024
The Moon orbits Earth in the prograde direction and completes one revolution relative to the Vernal Equinox and the stars in about 27.32 days (a tropical...
37 KB (4,640 words) - 01:02, 22 August 2024
either the direct ascent or Earth orbit rendezvous, the working group instead selected a third option, Lunar Orbit Rendezvous (LOR). LOR had a mass requirement...
11 KB (1,337 words) - 15:36, 23 February 2024
A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours...
33 KB (3,183 words) - 15:36, 22 August 2024
to the Moon or as heavy-lift derivatives for Earth orbit rendezvous. Ultimately, the lunar orbit rendezvous ("LOR") concept approved in 1962 rendered the...
6 KB (449 words) - 00:31, 27 December 2023
high Earth orbit is an geocentric orbit with an apogee farther than that of the geosynchronous orbit, which is 35,786 km (22,236 mi) away from Earth. In...
7 KB (602 words) - 19:24, 2 August 2024
A medium Earth orbit (MEO) is an Earth-centered orbit with an altitude above a low Earth orbit (LEO) and below a high Earth orbit (HEO) – between 2,000...
10 KB (1,037 words) - 19:07, 10 August 2024
polar orbit is one in which a satellite passes above or nearly above both poles of the body being orbited (usually a planet such as the Earth, but possibly...
3 KB (416 words) - 15:33, 8 January 2024
an orbital maneuver (otherwise known as a burn) is the use of propulsion systems to change the orbit of a spacecraft. For spacecraft far from Earth (for...
17 KB (2,126 words) - 20:29, 22 June 2024
Very low Earth orbit is a range of orbital altitudes below 400 km (250 mi), and is of increasing commercial importance in a variety of scenarios and for...
15 KB (1,854 words) - 06:10, 10 April 2024
A low Earth orbit (LEO) is an orbit around Earth with a period of 128 minutes or less (making at least 11.25 orbits per day) and an eccentricity less...
20 KB (2,223 words) - 15:38, 22 August 2024
considered three methods for the Moon mission: Earth orbit rendezvous (EOR), direct ascent, and lunar orbit rendezvous (LOR). A direct ascent configuration would...
96 KB (9,727 words) - 23:57, 17 August 2024
design concept was for a proposed crewed circumlunar flight and the Earth orbit rendezvous (EOR) missions. It was initially considered for the Apollo lunar...
9 KB (900 words) - 18:54, 6 March 2024
orbit to land two astronauts on the Moon and take them back to orbit to rendezvous with the command module. Not designed to fly through the Earth's atmosphere...
151 KB (16,010 words) - 14:11, 20 August 2024
on the Lunar Gateway while retaining the planned use of a NRHO for orbital rendezvous between the Orion spacecraft and a lunar lander. Animations of the...
9 KB (931 words) - 09:30, 29 May 2024
on a spacecraft. Halo orbits exist in any three-body system, e.g., a Sun–Earth–orbiting satellite system or an Earth–Moon–orbiting satellite system. Continuous...
11 KB (1,104 words) - 16:53, 22 April 2024
Apollo 11 (section Launch and flight to lunar orbit)
decision was choosing lunar orbit rendezvous over both direct ascent and Earth orbit rendezvous. A space rendezvous is an orbital maneuver in which two spacecraft...
187 KB (19,719 words) - 20:29, 21 August 2024
EOR could refer to: Earth Orbit Rendezvous, a proposed method for space missions to the Moon Electric orbit raising, a method in space technology of reaching...
962 bytes (159 words) - 12:26, 7 August 2024
thus combined the Lunar Orbit Rendezvous method adopted by the Apollo program's lunar missions with the Earth Orbit Rendezvous method which had also been...
49 KB (5,775 words) - 16:18, 16 August 2024
John Houbolt (section Lunar orbit rendezvous (LOR))
behind the lunar orbit rendezvous (LOR) mission mode, a concept that was used to successfully land humans on the Moon and return them to Earth. This flight...
18 KB (1,785 words) - 00:58, 14 April 2024
A Molniya orbit (Russian: Молния, IPA: [ˈmolnʲɪjə] , "Lightning") is a type of satellite orbit designed to provide communications and remote sensing coverage...
28 KB (3,117 words) - 15:45, 22 August 2024