IRIDIUM 100

NORAD 42956· COSPAR 2017-061B· OneWeb / Iridium· LEO

Launch

Launched on Oct 9, 2017 from Space Launch Complex 4E, United States of America aboard a Falcon 9 Block 4.

Falcon 9 Block 4 | Iridium-3 →

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 12:54 UTC

Orbit class

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

Operator

Iridium Communications

Country

United States

Manufacturer

Thales Alenia Space

Launched

Oct 9, 2017

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 100 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 2017-061 (Falcon 9 Block 4 | Iridium-3).

IRIDIUM 133 · 42955
IRIDIUM 122 · 42957
IRIDIUM 129 · 42958
IRIDIUM 119 · 42959
IRIDIUM 107 · 42960
IRIDIUM 132 · 42961
IRIDIUM 136 · 42962
IRIDIUM 139 · 42963
IRIDIUM 125 · 42964

Sources & further reading

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