SMDC ONE 1.2
Launch
Launched on Sep 13, 2012 from Space Launch Complex 3E, United States of America aboard a Atlas V 401.
Atlas V 401 | NROL-36 (Multipayload mission) →Live · TLE epoch 2026-09-08 00:21 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Sep 13, 2012
Mass
—
Apogee
559 km
Perigee
450 km
Inclination
64.66°
Period
1.58 h
Altitude history
Apogee and perigee for SMDC ONE 1.2 across 14 days of archived orbital elements (15 element sets, one per day).
Trend
Stable
Change
-0.5 km
Rate
-0.04 km/day
Now
450 × 559 km
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
One other catalogued object still in orbit from launch 2012-048 (Atlas V 401 | NROL-36 (Multipayload mission)).
- CINEMA · 38764
Sources & further reading
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