In spacecraft operations, Launch and Early Orbit Phase (LEOP) is one of the most critical phases of a mission. Spacecraft operations engineers take control...

Leo Islands, Nunavut, Canada Low Earth orbit, a satellite path Launch and Early Orbit phase, a crucial phase of a space mission LEO (spacecraft), a lunar...

Dataset Version 6" First 9 days in space were dedicated to the Launch and Early Orbit Phase (LEOP). This period usually takes only 3 to 4 days in comparable...

Antennas are used for Launch and Early Orbit Phase (LEOP) and now function as a back-up during the mission phase when steerable Medium- and High-Gain Antennas...

monitoring and control of the constellation via a ground control station. Automated data reception and image processing. LEOP (launch and early orbit phase) support...

launch site or on a drone ship at sea. In December 2015, Falcon 9 became the first rocket to land propulsively after delivering a payload into orbit....

are necessary for complete coverage of Earth. In orbit, the satellites are able to detect an ICBM launch through earth's background infrared radiation due...

and is located in Darmstadt, Germany. ESOC's primary function is the operation of uncrewed spacecraft on behalf of ESA and the launch and early orbit...

additional requirement raised for the Launch and Early Orbit Phase (LEOP) and all critical operational phases was that it was not enough merely to interface;...

This article lists orbital and suborbital launches during the second quarter of the year 2025. For all other spaceflight activities, see 2025 in spaceflight...

This is a timeline of first orbital launches by country. While a number of countries, incl. Canada, Australia, Germany, Brazil, Algeria, Kazakhstan, Turkey...

17 December 2022. B1069 launched and returned a hosted box containing two FIFA 2022 World Cup Adidas Al Rihla on 15 October 2022 for a sub-orbital flight, the first...

the other two orbital shells.: 17  SpaceX launched the first 60 satellites of the constellation in May 2019 into a 450 km (280 mi) orbit and expected up...

Telemetry, Tracking, and Command support for Launch and Early Orbit Phase support. PRSC-EO1 was launched on January 17, 2025, 12:07pm (Beijing Time) by...

operations events is provided in ref. Launch and Early Orbit Phase: Launch on 27 September 2003, initial orbit 7,029 x 42263 km. Van Allen Belt Escape:...

town of Kourou and 19 kilometres (12 mi) from Guiana Space Centre. During its routine operations it is used for Launch and Early Orbit Phase communication...

only way to launch spacecraft into orbit and beyond. They are also used to rapidly accelerate spacecraft when they change orbits or de-orbit for landing...

communications relay and radio astronomy satellites designed to support the fourth phase the Chinese Lunar Exploration Program, after Queqiao-1 launched in 2018....

turn or zero-lift turn is a maneuver used in launching a spacecraft into, or descending from, an orbit around a celestial body such as a planet or a...

The Mars Climate Orbiter (formerly the Mars Surveyor '98 Orbiter) was a robotic space probe launched by NASA on December 11, 1998, to study the Martian...

temperature of around 1,000 °C (1,830 °F). ISRO downlinked launch telemetry during the ballistic coasting phase until the radio black-out to avoid data loss in the...

graveyard orbit, also called a junk orbit or disposal orbit, is an orbit that lies away from common operational orbits. One significant graveyard orbit is a...

drivers to accelerate the launch vehicle beforehand. Since at least in the early 20th century, single-stage-to-orbit reusable launch vehicles have existed...

to reusable vehicles. To date, no Earth-launched SSTO launch vehicles have ever been flown; orbital launches from Earth have been performed by multi-stage...

Mars. DRACO will be the world's first in-orbit demonstration of a NTR engine. It will reportedly be launched aboard a Vulcan Centaur as a payload. Tabitha...

Immediately after launch, XMM began its Launch and Early Orbit phase of operations. On 17 and 18 December 1999, the X-ray modules and Optical Monitor doors...

XMM-Newton spacecraft. It was also used during the Launch and Early Orbit Phase of various satellite launches. ESA webpage on ESTRACK, including links to all...

while a phase-plane controller was used to manage its reaction-control system. Only two Transfer Orbit Stages were launched. The first was launched on 25...

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...

Falcon 9 second stage. These tension rods were discarded into orbit while launching earlier versions of Starlink satellites. [full citation needed] Observations...