LowEarth

STSAT-3

NORAD 39422· COSPAR 2013-066G· ISS / Science· SSO
Launch
Launched on Nov 21, 2013 from 370/13, Russia aboard a Dnepr 1.
Dnepr 1 | Multipayload mission, 33 satellites
Live · TLE epoch 2026-09-09 04:47 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
KARI
Country
South Korea
Manufacturer
Launched
Nov 21, 2013
Mass
Apogee
569 km
Perigee
554 km
Inclination
97.63°
Period
1.60 h

Altitude history

Apogee and perigee for STSAT-3 across 103 days of archived orbital elements (105 element sets, one per day).

Trend
Decaying
Change
-1.7 km
Rate
-0.02 km/day
Now
554 × 569 km
562570554May 28Sep 9
Apogee Perigee

Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.

Launched with

13 other catalogued objects still in orbit from launch 2013-066 (Dnepr 1 | Multipayload mission, 33 satellites).

Sources & further reading

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