🚀Launchpad

🔭 Space telescope

Chandra X-ray Observatory

Status
Active
Operator
NASA
Launched
Jul 23, 1999
Orbit
Highly elliptical Earth orbit (approx. 14,000 × 134,000 km)
NORAD ID
25867
COSPAR ID
1999-040B

NASA's X-ray eye: since 1999, Chandra has observed the hottest, most energetic regions of the universe — black holes, supernova remnants and galaxy clusters. Launched aboard Space Shuttle Columbia.

Live orbital data

Perigee (lowest point)
11,550 km
Apogee (highest point)
137,275 km
Inclination
56.64°
Orbital period
3,808.9 min

Orbital data from CelesTrak (NORAD 25867), as of Jul 19, 2026, 10:26

Wikipedia