• Thumbnail for Sun-synchronous orbit
    A Sun-synchronous orbit (SSO), also called a heliosynchronous orbit, is a nearly polar orbit around a planet, in which the satellite passes over any given...
    14 KB (1,657 words) - 19:06, 16 March 2025
  • A synchronous orbit is an orbit in which an orbiting body (usually a satellite) has a period equal to the average rotational period of the body being orbited...
    8 KB (813 words) - 03:33, 1 June 2025
  • Thumbnail for Geosynchronous orbit
    Medium Earth orbit Molniya orbit Subsynchronous orbit Supersynchronous orbit Synchronous orbit Howell, Elizabeth. "What Is a Geosynchronous Orbit?". Space...
    33 KB (3,236 words) - 12:26, 4 June 2025
  • Thumbnail for Graveyard orbit
    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...
    9 KB (1,039 words) - 13:01, 7 June 2025
  • A semi-synchronous orbit is an orbit with a period equal to half the average rotational period of the body being orbited, and in the same direction as...
    1 KB (113 words) - 20:32, 21 May 2023
  • Thumbnail for List of orbits
    close to) either 90 degrees or −90 degrees. Polar Sun-synchronous orbit (SSO): A nearly polar orbit that passes the equator at the same local solar time...
    31 KB (3,455 words) - 19:37, 27 October 2024
  • Thumbnail for Geostationary transfer orbit
    transfer orbit (GTO) or geosynchronous transfer orbit is a highly elliptical type of geocentric orbit, usually with a perigee as low as low Earth orbit (LEO)...
    13 KB (1,789 words) - 19:22, 30 March 2025
  • Thumbnail for Tidal locking
    rotation rate over the course of a complete orbit. In the case where a tidally locked body possesses synchronous rotation, the object takes just as long to...
    47 KB (5,088 words) - 07:37, 11 June 2025
  • The areosynchronous orbits (ASO) are the synchronous orbits for artificial satellites around the planet Mars. They are the martian equivalent of the geosynchronous...
    3 KB (374 words) - 00:13, 28 May 2025
  • Thumbnail for List of Falcon 9 and Falcon Heavy launches
    became the first rocket to land propulsively after delivering a payload into orbit. This reusability results in significantly reduced launch costs, as the...
    595 KB (21,739 words) - 05:30, 17 June 2025
  • orbit to provide telecommunications services. Near-polar orbiting satellites commonly choose a sun-synchronous orbit, where each successive orbital pass...
    11 KB (1,231 words) - 07:37, 4 June 2025
  • Thumbnail for List of Falcon 9 and Falcon Heavy launches (2020–2022)
    payload masses). SpaceX held a successful launch of the first commercial orbital human space flight on 30 May 2020, crewed with NASA astronauts Doug Hurley...
    287 KB (12,588 words) - 00:50, 8 May 2025
  • inclination of (or very close to) 90 degrees. Polar Sun synchronous orbit A nearly polar orbit that passes the equator at the same local time on every...
    17 KB (1,997 words) - 14:10, 7 June 2025
  • A supersynchronous orbit is either an orbit with a period greater than that of a synchronous orbit, or just an orbit whose major axis is larger than that...
    8 KB (827 words) - 06:28, 16 September 2023
  • Thumbnail for Low Earth orbit
    advantage of the Earth's rotation. Other useful LEO orbits including polar orbits and Sun-synchronous orbits have a higher inclinations to the equator and provide...
    19 KB (2,128 words) - 23:59, 8 June 2025
  • rotation. Most commercial Earth-observing satellites use retrograde Sun-synchronous orbits to ensure that observations are performed at the same local time each...
    5 KB (558 words) - 11:31, 14 October 2024
  • and Moon will in general perturb the orbital plane. For a Sun-synchronous orbit, the precession of the orbital plane caused by the oblateness of the...
    14 KB (1,760 words) - 07:14, 7 May 2025
  • Thumbnail for Mercury (planet)
    proposed alternative approach would use a solar sail to attain a Mercury-synchronous orbit around the Sun. The first spacecraft to visit Mercury was NASA's Mariner...
    156 KB (16,137 words) - 10:02, 14 June 2025
  • Thumbnail for Polar Satellite Launch Vehicle
    India to launch its Indian Remote Sensing (IRS) satellites into Sun-synchronous orbits, a service that was, until the advent of the PSLV in 1993, only commercially...
    68 KB (5,723 words) - 12:07, 24 May 2025
  • yields a synchronous orbit radius of 20,428 km (12,693 mi) above the surface of the Mars equator. Subtracting Mars's radius gives an orbital altitude...
    8 KB (794 words) - 23:21, 6 June 2025
  • Thumbnail for Medium Earth orbit
    significant. A satellite in the semi-synchronous orbit at an altitude of approximately 20,200 kilometres (12,600 mi) has an orbital period of 12 hours and passes...
    10 KB (1,037 words) - 23:27, 10 October 2024
  • Thumbnail for Long March 12
    at least 12 tonnes of payload in low Earth orbit and at least 6 tonnes in a 700 km Sun-synchronous orbit. Its first launch took place on November 30...
    9 KB (603 words) - 06:00, 7 June 2025
  • Thumbnail for Orbit
    use. Orbital decay can occur due to tidal forces for objects below the synchronous orbit for the body they're orbiting. The gravity of the orbiting object...
    57 KB (8,123 words) - 08:45, 4 June 2025
  • launch services for medium-sized payloads to low Earth orbit (LEO) and sun-synchronous orbit (SSO). The first stage of the Tianlong-3 is equipped with...
    16 KB (1,473 words) - 16:11, 19 April 2025
  • Thumbnail for LauncherOne
    designed to carry smallsat payloads of up to 300 kg (660 lb) into Sun-synchronous orbit (SSO), following air launch from a carrier aircraft at high altitude...
    60 KB (4,318 words) - 04:18, 30 January 2025
  • Thumbnail for Cytherocentric orbit
    observer on the planet. Such an orbit on Earth is a Geostationary orbit. The height of a stationary or synchronous orbit can be calculated as follows: R...
    6 KB (631 words) - 23:58, 23 May 2025
  • Thumbnail for Satellite
    fixed point on the ground). Some imaging satellites choose a Sun-synchronous orbit because they can scan the entire globe with similar lighting. As the...
    69 KB (6,737 words) - 08:45, 4 June 2025
  • Thumbnail for Zhuque-2
    000 kg of payload into a 200 km low Earth orbit and 4,000 kg of payload into a 500 km Sun-synchronous orbit. In May 2019, LandSpace performed test firings...
    12 KB (757 words) - 09:10, 18 May 2025
  • Thumbnail for Exomoon
    If the synchronous orbit is not three-body stable then moons outside this radius will escape orbit before they reach the synchronous orbit. A study...
    34 KB (4,118 words) - 16:23, 1 June 2025
  • subsynchronous orbit is an orbit of a satellite that is nearer the planet than it would be if it were in synchronous orbit, i.e. the orbital period is less...
    2 KB (153 words) - 10:44, 31 July 2023