Tracking 32460 objects as of 12-Dec-2025
HD Live streaming from Space Station
objects crossing your sky now

COSMOS 1639

Track COSMOS 1639 now!
10-day predictions
COSMOS 1639 is classified as:


NORAD ID: 15621
Int'l Code: 1985-023E
Perigee: 1,447.6 km
Apogee: 1,486.9 km
Inclination: 74.1 °
Period: 115.1 minutes
Semi major axis: 7838 km
RCS: 0.725 m2 (medium)
Launch date: March 21, 1985
Source: Commonwealth of Independent States (former USSR) (CIS)
Launch site: PLESETSK MISSILE AND SPACE COMPLEX (PKMTR)
Your satellite tracking list
Your tracking list is empty




NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 15621U 85023E   25345.62212735 -.00000013  00000-0  15741-4 0  9997
2 15621  74.0539 216.8545 0025095 357.3180  31.0778 12.51055030860051
Source of the keplerian elements: AFSPC