● ORBIT ING-NOW

SBIRS

NORAD 39120 · COSPAR 2013-011A · ACTIVE
Orbit: #4986 @ 35776 x 35797 km x 4.7766 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-27 19:41 UTC · 35.5 h old

Orbit history

// altitude & velocity from orbital-data archive
Trend: —
Altitude —
Velocity —

Next visible passes

// click to check

Current TLE

// onowactive
SBIRS GEO-2 (USA 241)
1 39120U 13011A 26300.82019543 -.00000134 00000-0 00000-0 0 09993
2 39120 4.7766 52.4014 0002461 166.5674 15.7027 1.00271548049868
TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database
Launch date
March 19th 2013
Spacecraft age
13 years, 7 months
Distance travelled
—
Expected lifetime
—
Operator
US Air Force
Purpose
Earth Observation
Orbit class
GEO
Launch site
Cape Canaveral
Launch vehicle
Atlas 5
Contractor
Lockheed Martin Space Systems
Launch mass
4,500 kg
Power
—

Orbit elements

// from current orbital elements
Inclination
4.7766°
Period
1436.1 min
Perigee
35776 km
Apogee
35797 km
Eccentricity
0.0002461
RAAN
52.4014°
Arg of Perigee
166.5674°
Mean Motion
1.00271548 rev/d