DEMO8 (TENZING)

NORAD 48951· COSPAR 2021-059CA· Active satellite· Other / Unclassified· SSO

Launch

Launched on Jun 30, 2021 from Space Launch Complex 40, United States of America aboard a Falcon 9 Block 5.

Falcon 9 Block 5 | Transporter 2 (Dedicated SSO Rideshare) →

Live · TLE epoch 2026-10-23 19:30 UTC

Orbit class

SSO — Sun-Synchronous (LEO at 96–102° inclination)

Operator

United States Government

Country

United States

Manufacturer

—

Launched

Jun 30, 2021

Mass

—

Apogee

395 km

Perigee

389 km

Inclination

97.69°

Period

1.54 h

Altitude history

Apogee and perigee for DEMO8 (TENZING) across 59 days of archived orbital elements (60 element sets, one per day).

Trend

Decaying

Change

-6.9 km

Rate

-0.12 km/day

Now

389 × 395 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 2021-059 (Falcon 9 Block 5 | Transporter 2 (Dedicated SSO Rideshare)).

MANDRAKE 2 ABLE · 48907
MANDRAKE 2 BAKER · 48908
PACE-1 · 48909
YAM-3 · 48915
HAWK-3B · 48931
HAWK-3C · 48948
STARLINK-3005 · 48881
HAWK-3A · 48957
SHERPA-FX2 & TAGSAT-2 · 48958
SPARTAN · 48964
TYVAK-0173 · 48892

Sources & further reading

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