ECHOSTAR 21

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ECHOSTAR 21 is classified as:

Geostationary

NORAD ID: 42749

Int'l Code: 2017-032A

Perigee: 35,784.3 km

Apogee: 35,803.5 km

Inclination: 6.6 °

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.

1 42749U 17032A   18319.69745142  .00000058  00000-0  00000+0 0  9991
2 42749   6.6138 316.1916 0002272 260.9039  99.0053  1.00271140  5345

Source of the keplerian elements: AFSPC