LowEarth

SINOD-D 3

NORAD 40977· COSPAR 2015-058P· Active satellite· CubeSats & Tech Demos· LEO
Launch
Launched on Oct 8, 2015 from Space Launch Complex 3E, United States of America aboard a Atlas V 401.
Atlas V 401 | NROL-55 (Multipayload mission) →
Live · TLE epoch 2026-10-26 04:52 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Oct 8, 2015
Mass
—
Apogee
680 km
Perigee
497 km
Inclination
64.77°
Period
1.61 h

Altitude history

Apogee and perigee for SINOD-D 3 across 151 days of archived orbital elements (152 element sets, one per day).

Trend
Decaying
Change
-3.1 km
Rate
-0.02 km/day
Now
497 × 680 km
589680497May 29Oct 27
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

11 other catalogued objects still in orbit from launch 2015-058 (Atlas V 401 | NROL-55 (Multipayload mission)).

Sources & further reading

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