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Scientific Satellites
Below follows the information found in the database of scientific satellites. They are satellites placed in orbit in order to study the high-atmosphere, effects of cosmic radiation or specific natural resources. In this category also are the telescopes and space observatories.
Satellite Launch Norad Incl.
degrees
Apogee
Km
Perigee
Km
Period
min
Options
Hubble199020580U2853853595Tracking
POLAR199623802U794997182541109Tracking
SWAS199825560U7059157896Tracking
CXO199925867U4914422145823808Tracking
XMM-NEWTON199925989U70102336187632872Tracking
TERRA199925994U9870370199Tracking
CLUSTER II-FM7 (SAMBA)200026410U134105204276153257Tracking
CLUSTER II-FM6 (SALSA)200026411U135116814159853257Tracking
CLUSTER II-FM5 (RUMBA)200026463U139113386194113257Tracking
CLUSTER II-FM8 (TANGO)200026464U134105185276163257Tracking
ODIN200126702U9854853195Tracking
TIMED200126998U7460360297Tracking
RHESSI200227370U3845944694Tracking
INTEGRAL200227540U7114735121013831Tracking
CORIOLIS200327640U99839818101Tracking
SORCE200327651U4061658397Tracking
MOST200327843U99830816101Tracking
SCISAT 1200327858U7464363297Tracking
SWIFT200428485U2155754396Tracking
CLOUDSAT200629107U9868768198Tracking
CALIPSO200629108U9868568498Tracking
HINODE (SOLAR-B)200629479U9869166598Tracking
SJ-6C200629505U9858357996Tracking
SJ-6D200629506U9858858596Tracking
AGILE200731135U246845394Tracking
AIM200731304U9852351595Tracking
FGRST (GLAST)200833053U2653952395Tracking
IBEX200833401U452783948619413593Tracking
WISE200936119U9747346794Tracking
SDO201036395U3135795357801436Tracking
CRYOSAT 2201036508U9272471499Tracking
X-SAT201137389U98821800101Tracking
GCOM-W1 (SHIZUKU)201238337U9870370299Tracking
NUSTAR201238358U660959497Tracking
NEOSSAT201339089U98784768100Tracking
BRITE-AUSTRIA201339091U98782767100Tracking
IRIS201339197U9865261297Tracking
HISAKI (SPRINT-A)201339253U301155951106Tracking
CASSIOPE201339265U811231319100Tracking
STSAT-3201339422U9761458197Tracking
SWARM B201339451U8850149695Tracking
SWARM A201339452U8742742493Tracking
SWARM C201339453U8742742493Tracking
BRITE-CA1 (TORONTO)201440020U9873361098Tracking
OCO 2201440059U9870370299Tracking
BRITE-PL2 (HEWELIUSZ)201440119U9862660297Tracking
RESURS P2201440360U9746645594Tracking
MMS 1201540482U3317464280005065Tracking
MMS 2201540483U3317463680065065Tracking
MMS 3201540484U3317464080145066Tracking
MMS 4201540485U3317462880145065Tracking
ASTROSAT201540930U664763498Tracking
DAMPE201541173U9750348494Tracking
PISAT201641784U9870366098Tracking
HXMT (HUIYAN)201742758U4354253395Tracking
FLYING LAPTOP201742831U9760458397Tracking
PICSAT201843132U9748947694Tracking
ZHANGZHENG-1 (CSES)201843194U9851149695Tracking
ICON201944628U2760457896Tracking
SALSAT202046495U9856854296Tracking
IXPE202149954U060358797Tracking
Satellites Orbital Parameters

The table above shows the main parameters and information available for this satellite.

Satellite: This column shows the name of the object in orbit. In some cases the official name ends with the words R/B, meaning that it is a piece or any stage from some rocket booster.

Norad: North American Aerospace Defense Command, the Air Defence Command of the United States, responsible for the catalogue of objects in orbit. The number indicates the record of the satellite in the Norad archives.

Inclination: Angle formed between the orbit of the satellite and terrestrial line of the equator. Satellites with inclination of 0 degrees follow the equator line and are called equatorial orbit satellites. When the inclination is 90 degrees its orbit crosses the terrestrial poles and are called polar orbiting satellites. When the inclination is less or equal latitude of the place of observation, the satellite be seen directly if conditions permit.

Apogee: Maximum distance that the object is far from the center of the Earth.

Perigee: Highest approchement between the object and the center of the Earth. The figures shown already discounting the radius of the Earth, 6378 Km. One Perigee value equal to the value of Apogee indicates a circular orbit satellite.

Period: Value in minutes that a satellite takes to complete one orbit of perigee to perigee. Satellites in polar orbit, positioned at 800 km in altitude will take approximately 102 minutes to complete one revolution. The International Space Station, 350 km above the surface, completes its orbit in 90 minutes.

The lower the altitude of a satellite, more speed he needs to keep in orbit and not re-enters the atmosphere.

Geostationary satellites have a period of approximately 1436 minutes with inclination of 0 degrees (equatorial orbit). Because this is the same time it takes Earth to complete one turn on its axis, geostationary satellites appear static on the same geographic point. To this happens the satellite should be positioned about 36 thousand kilometers in altitude.

Note and Frequency: Filled with additional information where possible. The frequencies shown, when provided, are those captured by enthusiasts or informed by the official organizations of disclosure.

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