TDRS

NORAD 39504 · COSPAR 2014-004A · ACTIVE

Orbit: #4546 @ 35758 x 35814 km x 4.1042 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-13 03:34 UTC Â· 33.9 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

TDRS 12
1 39504U 14004A 26286.14899698 -.00000270 00000-0 00000-0 0 09998
2 39504 4.1042 20.8798 0006621 226.3193 147.2435 1.00274815045462

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

January 23rd 2014

Spacecraft age

12 years, 8 months

Distance travelled

—

Expected lifetime

—

Operator

National Aeronautics and Space Administration (NASA)

Purpose

Communications

Orbit class

GEO

Launch site

Cape Canaveral

Launch vehicle

Atlas 5

Contractor

Boeing Satellite Systems

Launch mass

3,454 kg

Power

3,500 (EOL) W

Orbit elements

// from current orbital elements

Inclination

4.1042Â°

Period

1436.05 min

Perigee

35758 km

Apogee

35814 km

Eccentricity

0.0006621

RAAN

20.8798Â°

Arg of Perigee

226.3193Â°

Mean Motion

1.00274815 rev/d