INMARSAT

NORAD 25153 · COSPAR 1998-006B · ACTIVE

Orbit: #10515 @ 35767 x 35808 km x 9.9695 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-21 04:48 UTC Â· 15.5 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 26294.20052216 -.00000278 00000-0 00000-0 0 09998
2 25153 9.9695 51.9687 0004908 162.2590 193.6218 1.00268720105156

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

February 4th 1998

Spacecraft age

28 years, 8 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

9.9695Â°

Period

1436.14 min

Perigee

35767 km

Apogee

35808 km

Eccentricity

0.0004908

RAAN

51.9687Â°

Arg of Perigee

162.259Â°

Mean Motion

1.0026872 rev/d