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CYGNUS OA-7 is no longer on orbit
CYGNUS OA-7 is classified as:

NORAD ID: 42681
Int'l Code: 2017-019A
Perigee: N/A
Apogee: N/A
Inclination: N/A
Period: N/A
Semi major axis: N/A
Launch date: April 18, 2017
Source: United States (US)
Decay date: 2017-06-11

CYGNUS OA-7, also known as Orbital Sciences CRS Flight 7, is the eighth flight of the Orbital ATK unmanned resupply spacecraft Cygnus and its seventh flight to the International Space Station under the Commercial Resupply Services contract with NASA. Orbital and NASA jointly developed a new space transportation system to provide commercial cargo resupply services to the International Space Station (ISS). Under the Commercial Orbital Transportation System (COTS) program, then Orbital Sciences designed and built Antares, a medium-class launch vehicle; Cygnus, an advanced maneuvering spacecraft, and a Pressurized Cargo Module which is provided by Orbital's industrial partner Thales Alenia Space. The OA-7 is named the S.S. John Glenn in honor of astronaut and senator John Glenn, the first US astronaut to orbit the Earth on Mercury 6 and the oldest to go to space on STS-95.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 42681U 17019A   17162.18597911 +.00001766 +00000-0 +30326-4 0  9995
2 42681 051.6405 068.6824 0011616 288.9143 231.8850 15.57448767008322
Source of the keplerian elements: AFSPC