INMARSAT

NORAD 25153 · COSPAR 1998-006B · ACTIVE

Orbit: #10535 @ 35768 x 35807 km x 10.0155 deg

CURRENT ORBIT DATA

TLE epoch 2026-11-10 03:45 UTC Â· 23.4 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

INMARSAT 3-F5
1 25153U 98006B 26314.15654794 -.00000284 00000-0 00000-0 0 09991
2 25153 10.0155 51.7742 0004552 183.4588 176.4461 1.00269017105358

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

February 4th 1998

Spacecraft age

28 years, 9 months

Distance travelled

—

Expected lifetime

—

Operator

INMARSAT, Ltd.

Purpose

Communications

Orbit class

GEO

Launch site

Guiana Space Center

Launch vehicle

Ariane 44L

Contractor

Lockheed Martin Commercial Space Systems

Launch mass

2,000 kg

Power

2,800.00 W

Orbit elements

// from current orbital elements

Inclination

10.0155Â°

Period

1436.14 min

Perigee

35768 km

Apogee

35807 km

Eccentricity

0.0004552

RAAN

51.7742Â°

Arg of Perigee

183.4588Â°

Mean Motion

1.00269017 rev/d