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Paz (Spanish for "Peace") is a Spanish Earth observation and reconnaissance satellite launched on 22 February 2018. It is Spain's first spy satellite. [2] The satellite is operated by Hisdesat. [3] Paz was previously referred to as SEOSAR (Satélite Español de Observación SAR). [4]
Earth Observing-1 (EO-1) was a NASA Earth observation satellite created to develop and validate a number of instrument and spacecraft bus breakthrough technologies. It was intended to enable the development of future Earth imaging observatories that will have a significant increase in performance while also having reduced cost and mass.
Reconnaissance satellites of Russia (2 C, 15 P) Pages in category "Earth observation satellites of Russia" The following 5 pages are in this category, out of 5 total.
Deep Space Climate Observatory (DSCOVR; formerly known as Triana, unofficially known as GoreSat [3]) is a National Oceanic and Atmospheric Administration (NOAA) space weather, space climate, and Earth observation satellite. It was launched by SpaceX on a Falcon 9 v1.1 launch vehicle on 11 February 2015, from Cape Canaveral. [4]
The Amazônia-1 or SSR-1 (in Portuguese: Satélite de Sensoriamento Remoto-1), is the first Earth observation satellite developed by Brazil, [7] helped by Argentina's INVAP, who provided the main computer, attitude controls and sensors, and the training of Brazilian engineers, [8] and launched at 04:54:00 UTC (10:24:00 IST) on 28 February 2021.
The Pelican constellation is a constellation of Earth observation satellites to succeed the SkySat constellation. [107] The constellation is expected to consist of 32 spacecraft and will be based on a new design that includes Planet's next generation of imaging sensors, capable of capturing images with a 30 cm resolution.
Sun-synchronous orbits are mostly selected for Earth observation satellites, with an altitude typically between 600 and 1000 km over the Earth surface. Even if an orbit remains Sun-synchronous, however, other orbital parameters such as argument of periapsis and the orbital eccentricity evolve, due to higher-order perturbations in the Earth's ...
A wide variety of sources [5] [6] [7] define LEO in terms of altitude.The altitude of an object in an elliptic orbit can vary significantly along the orbit. Even for circular orbits, the altitude above ground can vary by as much as 30 km (19 mi) (especially for polar orbits) due to the oblateness of Earth's spheroid figure and local topography.
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