IRIDIUM 173

NORAD 43925· COSPAR 2019-002D· OneWeb / Iridium· LEO

Launch

Launched on Jan 11, 2019 from Space Launch Complex 4E, United States of America aboard a Falcon 9 Block 5.

Falcon 9 Block 5 | Iridium-8 →

Iridium NEXT satellite (representative) — Representative Iridium NEXT image · Flickr user ideonexus · CC BY-SA 2.0 · via Wikimedia Commons

Live · TLE epoch 2026-09-08 13:26 UTC

Orbit class

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

Operator

Iridium Communications

Country

United States

Manufacturer

Thales Alenia Space

Launched

Jan 11, 2019

Mass

—

Apogee

783 km

Perigee

780 km

Inclination

86.40°

Period

1.67 h

Part of the Iridium NEXT constellation · this satellite is one of 192

Second-generation Iridium constellation; 66 active sats provide global comms.

See all Iridium NEXT satellites →

Altitude history

Apogee and perigee for IRIDIUM 173 across 103 days of archived orbital elements (105 element sets, one per day).

Trend

Stable

Change

+0.0 km

Rate

+0.00 km/day

Now

780 × 783 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 2019-002 (Falcon 9 Block 5 | Iridium-8).

IRIDIUM 180 · 43922
IRIDIUM 176 · 43923
IRIDIUM 168 · 43924
IRIDIUM 169 · 43926
IRIDIUM 172 · 43927
IRIDIUM 175 · 43928
IRIDIUM 171 · 43929
IRIDIUM 170 · 43930
IRIDIUM 167 · 43931

Sources & further reading

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