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ECHOSTAR 21

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ECHOSTAR 21 is classified as:


NORAD ID: 42749
Int'l Code: 2017-032A
Perigee: 35,785.4 km
Apogee: 35,801.7 km
Inclination: 6.9 °
Period: 1,436.1 minutes
Semi major axis: 42164 km
RCS: Unknown
Launch date: June 8, 2017
Source: United States (US)
Launch site: TYURATAM MISSILE AND SPACE COMPLEX (TTMTR)

ECHOSTAR 21, formerly known as TerreStar 2, is a communications satellite under commercial operation by the EchoStar Corporation, hosting an S-Band payload operating in the previously unavailable 2 GHz band to deliver mobile connectivity throughout Europe. Built by Space Systems/Loral in Palo Alto, California, the ECHOSTAR 21 satellite weighed around 15,200 pounds (6.9 metric tons) at liftoff, making it one of the most massive commercial communications craft ever launched, and the heaviest commercial payload ever flown on a Proton rocket. ECHOSTAR 21 will enter service in geostationary orbit at 10.25 degrees east longitude.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 42749U 17032A   18172.10509398 +.00000046 +00000-0 +00000-0 0  9993
2 42749 006.8688 317.2482 0001934 116.0672 244.0116 01.00272514003857
Source of the keplerian elements: AFSPC