INMARSAT

NORAD 33278 · COSPAR 2008-039A · ACTIVE

Orbit: #4773 @ 35773 x 35800 km x 4.408 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-13 12:36 UTC Â· 37.9 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

INMARSAT 4-F3
1 33278U 08039A 26286.52540356 -.00000140 00000-0 00000-0 0 09993
2 33278 4.4080 31.8318 0003203 185.1297 256.2955 1.00271366047737

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

August 18th 2008

Spacecraft age

18 years, 1 months

Distance travelled

—

Expected lifetime

—

Operator

INMARSAT, Ltd.

Purpose

Communications

Orbit class

GEO

Launch site

Baikonur Cosmodrome

Launch vehicle

Proton M

Contractor

EADS Astrium

Launch mass

5,960 kg

Power

13,000.00 W

Orbit elements

// from current orbital elements

Inclination

4.408Â°

Period

1436.1 min

Perigee

35773 km

Apogee

35800 km

Eccentricity

0.0003203

RAAN

31.8318Â°

Arg of Perigee

185.1297Â°

Mean Motion

1.00271366 rev/d