IRIDIUM 24

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite IRIDIUM 24 at a glance.

Uptime

10060

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 24.

Object identification

Identified? True

Debris? False

Object name: IRIDIUM 24

International designator: 1997-082B

Object number (NORAD): 25105

Object ID (CCSDS): 25105

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 99.854 minutes

Inclination: 86.389 deg

SMA: 7129.665 km

Apoapsis: 760.356 km

Periapsis: 742.703 km

RAAN: 72.4193 deg

Eccentricy: 0.001238

Argument of periapsis: 26.4508 deg

Mean anomaly: 333.7321 deg

Mean motion: 14.42112428 rev/day

Mean motion (dot): 0.00000343 rev/day2

B* drag term: 0.000098123 1/REarth

Two-line elements (TLE)

Creation date: July 5, 2025, 10:46 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 5, 2025, 6:25 p.m. UTC

TLE line 0: 0 IRIDIUM 24

TLE line 1: 1 25105U 97082B 25186.76791524 .00000343 00000-0 98123-4 0 9999

TLE line 2: 2 25105 86.3890 72.4193 0012380 26.4508 333.7321 14.42112428446144

Live tracking on map

Real-time ground track for satellite IRIDIUM 24.

In-orbit conjunctions

A list of the most updated potential collisions computed for object IRIDIUM 24.

Target Orbit TCA Probability of collision Miss distance Type
FENGYUN 1C DEB SSO 2025-07-05 18:54:12 0.0002009831 493.0 (m) DEBRIS
CZ-6A DEB LEO 2025-04-02 09:55:38 0.0001083526 976.0 (m) DEBRIS
COSMOS 2251 DEB LEO 2025-02-06 15:10:43 0.0002112623 668.0 (m) DEBRIS
CZ-4B DEB SSO 2025-01-10 06:01:44 0.0002007421 747.0 (m) DEBRIS
CZ-2D DEB SSO 2025-01-03 00:48:05 0.0003401523 130.0 (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 24 was lifted into orbit during the mission ‘Delta II | Iridium 45 to 49’, on board a Delta II space rocket.

The launch took place on Dec. 20, 1997, 1:16 p.m. from Space Launch Complex 2W.

For more information about the launch, click the button.

Launch to space Delta II | Iridium 45 to 49
Delta II | Iridium 45 to 49

Agency: N/A

Status: Launch Successful

Launch date: Dec. 20, 1997, 1:16 p.m. UTC

Rocket: Delta II

Launch pad: Space Launch Complex 2W

Location: Vandenberg SFB, CA, USA

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