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COSMOS 2504

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COSMOS 2504 is classified as:


NORAD ID: 40555
Int'l Code: 2015-020D
Perigee: 586.8 km
Apogee: 1,491.2 km
Inclination: 82.5 °
Period: 105.8 minutes
Semi major axis: 7410 km
RCS: Unknown
Launch date: March 31, 2015
Source: Commonwealth of Independent States (former USSR) (CIS)
Launch site: PLESETSK MISSILE AND SPACE COMPLEX (PKMTR)

COSMOS 2504 is a secretive Russian military satellite. Russian officials have not disclosed information on its mission.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 40555U 15020D   25196.54545782  .00000335  00000-0  11444-3 0  9998
2 40555  82.5184 131.4411 0610284 109.1170 257.7059 13.61052440504396
Source of the keplerian elements: AFSPC