BISONSAT
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 19:46 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
577 km
Perigee
452 km
Inclination
64.75°
Period
1.58 h
Altitude history
Apogee and perigee for BISONSAT across 151 days of archived orbital elements (152 element sets, one per day).
Trend
Decaying
Change
-10.0 km
Rate
-0.07 km/day
Now
452 × 577 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
11 other catalogued objects still in orbit from launch 2015-058 (Atlas V 401 | NROL-55 (Multipayload mission)).
- AEROCUBE 5C · 40965
- AEROCUBE 7 · 40966
- FOX-1A (AO-85) · 40967
- SINOD-D 1 · 40968
- SNAP-3 ALICE · 40970
- LMRST-SAT · 40971
- SNAP-3 EDDIE · 40972
- PROPCUBE 3 · 40973
- SNAP-3 JIMI · 40975
- PROPCUBE 1 (FLORA) · 40976
- SINOD-D 3 · 40977
Sources & further reading
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