COSMOS 1275

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COSMOS 1275 is classified as:

Parus

NORAD ID: 12504

Int'l Code: 1981-053A

Perigee: 961.5 km

Apogee: 1,019.7 km

Inclination: 83.0 °

Period: 104.8 minutes

Semi major axis: 7361 km

RCS: 3.2441 m² (large)

Launch date: June 4, 1981
Source: Commonwealth of Independent States (former USSR) (CIS)
Launch site: PLESETSK MISSILE AND SPACE COMPLEX (PKMTR)

Cosmos 1275 was part of a 6-satellite Soviet military navigation system distributed in orbital planes spaced 30 degrees apart, and launched from the Plesetsk cosmodrome aboard a Cosmos rocket. Navigation information was derived from Doppler-shifted VHF transmissions (approximately 150 and 400 MHz) of the satellite position and orbital data. By acquiring fixes from several satellite, a user's location could be calculated with an accuracy of 100 m. The time needed to ascertain a position was dependent upon the user's latitude and the number of operational spacecraft in orbit. Normally, accurate location determination could be made within 1-2 hours.

1 12504U 81053A   25140.88886526  .00000053  00000-0  39793-4 0  9995
2 12504  82.9618 195.1084 0039511 190.7560 169.2756 13.74497826205568

Source of the keplerian elements: AFSPC