Launch Date
July 23, 1999
Launch Site
Launch Pad
LC39B
Launch Vehicle
Space Shuttle
NORAD ID
25867
International Designator
1999-040B
Epoch
Mon, 06 Jul 2026 21:20:40 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
56.43°
Right Ascension
116.15°
Eccentricity
Calculating...
Argument of Perigee
310.04°
Period
3809.25 min
Mean Motion
0.38 rev/day
Latitude
Calculating...
Longitude
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Altitude
Calculating...
Velocity
Calculating...
Name
CXO
Alternative Name
Chandra X-ray Observatory
Type
Status
Owner
MSFC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 25867U 99040B 26187.88935528 .00000762 00000-0 00000-0 0 9997
2 25867 56.4267 116.1509 7809224 310.0350 0.5660 0.37802688 17396
Source: Celestrak
Length
14
Diameter
4.3
Span
19.5
Dry Mass
4653
Launch Mass
5677
Shape
Cyl + 2 Pan
Radar Cross Section
8.3048
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
AXAF
Purpose
Astronomy, X-Ray
Mission
Astronomy, X-Ray
Manufacturer
TRW
Life Expectancy
10 years (design)
Bus
AXAF
Configuration
Unknown
Motor
TR-308 x4
Equipment
X-ray telescope (10 m focal length), HRC, ACIS, HETG, LETG
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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