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CXO

NORAD 25867 · COSPAR 1999-040B · ACTIVE
Orbit: #1784 @ 12820 x 135999 km x 58.1165 deg
CURRENT ORBIT DATA
TLE epoch 2026-11-02 21:20 UTC · 7 h old

Orbit history

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

Next visible passes

// click to check

Current TLE

// onowactive
CXO
1 25867U 99040B 26306.88909214 .00000675 00000-0 00000-0 0 09996
2 25867 58.1165 113.0051 7623604 308.9447 0.1235 0.37807998017842
TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database
Launch date
July 23rd 1999
Spacecraft age
27 years, 3 months
Distance travelled
—
Expected lifetime
—
Operator
National Aeronautics and Space Administration (NASA) Goddard Space Flight Center
Purpose
Space Science
Orbit class
Elliptical · Deep Highly Eccentric
Launch site
Cape Canaveral
Launch vehicle
Space Shuttle (STS 93)
Contractor
TRW Space and Electronics
Launch mass
4,742 kg
Power
2,500.00 W

Orbit elements

// from current orbital elements
Inclination
58.1165°
Period
3808.72 min
Perigee
12820 km
Apogee
135999 km
Eccentricity
0.7623604
RAAN
113.0051°
Arg of Perigee
308.9447°
Mean Motion
0.37807998 rev/d