BB 1

NORAD 56171· COSPAR 2023-050K· Active satellite· Other / Unclassified· LEO

Launch

Launched on Apr 2, 2023 from Space Launch Complex 4E, United States of America aboard a Falcon 9 Block 5.

Falcon 9 Block 5 | SDA Tranche 0A →

Live · TLE epoch 2026-10-22 04:04 UTC

Orbit class

LEO — Low Earth Orbit (circular, < 2,000 km)

Operator

United States Government

Country

United States

Manufacturer

—

Launched

Apr 2, 2023

Mass

—

Apogee

740 km

Perigee

721 km

Inclination

81.02°

Period

1.65 h

Altitude history

Apogee and perigee for BB 1 across 59 days of archived orbital elements (60 element sets, one per day).

Trend

Decaying

Change

-105.0 km

Rate

-1.78 km/day

Now

721 × 740 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

9 other catalogued objects still in orbit from launch 2023-050 (Falcon 9 Block 5 | SDA Tranche 0A).

CHECKMATE 8 · 56162
CHECKMATE 5 · 56163
CHECKMATE 4 · 56164
CHECKMATE 6 · 56165
CHECKMATE 7 · 56166
CHECKMATE 2 · 56167
CHECKMATE 1 · 56168
CHECKMATE 3 · 56169
BB 2 · 56170

Sources & further reading

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