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CXO

NORAD 25867 · COSPAR 1999-040B · ACTIVE
Orbit: #1777 @ 12609 x 136232 km x 57.8078 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-15 09:05 UTC · -30.8 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 26288.37889153 .00000750 00000-0 00000-0 0 09992
2 25867 57.8078 113.5494 7650034 309.0901 0.3775 0.37800452017772
TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database
Launch date
July 23rd 1999
Spacecraft age
27 years, 2 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
57.8078°
Period
3809.48 min
Perigee
12609 km
Apogee
136232 km
Eccentricity
0.7650034
RAAN
113.5494°
Arg of Perigee
309.0901°
Mean Motion
0.37800452 rev/d