IRIDIUM 26

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite IRIDIUM 26 at a glance.

Uptime

10182

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

LEO

Low Earth Orbit

Inclination

86.4

Latest

Satellite identification and parameters

Extended collection of information and parameters for IRIDIUM 26.

Object identification

Identified? True

Debris? False

Object name: IRIDIUM 26

International designator: 1997-043A

Object number (NORAD): 24903

Object ID (CCSDS): 24903

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.198 minutes

Inclination: 86.3958 deg

SMA: 7146.042 km

Apoapsis: 769.571 km

Periapsis: 766.244 km

RAAN: 102.6103 deg

Eccentricy: 0.0002328

Argument of periapsis: 80.7392 deg

Mean anomaly: 279.4069 deg

Mean motion: 14.37157579 rev/day

Mean motion (dot): 0.0000029 rev/day2

B* drag term: 0.000091004 1/REarth

Two-line elements (TLE)

Creation date: July 6, 2025, 6:05 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 6, 2025, 6:19 a.m. UTC

TLE line 0: 0 IRIDIUM 26

TLE line 1: 1 24903U 97043A 25187.26367878 .00000290 00000-0 91004-4 0 9990

TLE line 2: 2 24903 86.3958 102.6103 0002328 80.7392 279.4069 14.37157579459482

Live tracking on map

Real-time ground track for satellite IRIDIUM 26.

In-orbit conjunctions

A list of the most updated potential collisions computed for object IRIDIUM 26.

Target Orbit TCA Probability of collision Miss distance Type
NOAA 16 DEB SSO 2025-05-27 21:43:41 0.0001275176 875.0 (m) DEBRIS
CZ-6A DEB LEO 2025-03-23 22:31:33 0.0002573081 180.0 (m) DEBRIS
SL-8 DEB LEO 2024-10-27 04:26:33 0.01291655 32.0 (m) DEBRIS
NOAA 16 DEB SSO 2024-10-19 21:35:47 0.0001121922 16.0 (m) DEBRIS

Associated space launch

Iridium provides global mobile telecommunications services using a constellation of 66 low earth orbit satellites in a 86.4° inclined orbit. Although 77 satellites were originally envisioned for the system and spawned the name based on the 77th element in the periodic table, the system has been scaled back. Motorola's Satellite Communications Group designed and manufactured the Iridium satellites with Lockheed Martin providing the LM-700A spacecraft buses.

IRIDIUM 26 was lifted into orbit during the mission ‘Delta II | Iridium 22 to 26’, on board a Delta II space rocket.

The launch took place on Aug. 21, 1997, 12:38 a.m. from Space Launch Complex 2W.

For more information about the launch, click the button.

Launch to space Delta II | Iridium 22 to 26
Delta II | Iridium 22 to 26

Agency: N/A

Status: Launch Successful

Launch date: Aug. 21, 1997, 12:38 a.m. UTC

Rocket: Delta II

Launch pad: Space Launch Complex 2W

Location: Vandenberg SFB, CA, USA

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