Chandra X-ray Observatory
COSPAR 1999-040B · NORAD 25867
📋 A written introduction is coming — for now this page shows official values only.
Mission
- Agency
- NASA
- Launch date
- 1999-07-23
- Status (SATCAT)
- operational
- Launch site code
- AFETR
- Owner code
- US
- COSPAR ID
- 1999-040B
- NORAD ID
- 25,867
Source:NASA Science · checked 2026-11-02 ↗CelesTrak (data from USSPACECOM / 18 SDS) · checked 2026-11-02 ↗
Orbit
- Period
- 3,808.72 min
- Inclination
- 58.12°
- Apogee
- 135,999 km
- Perigee
- 12,820 km
- Orbit center code
- EA
Source:CelesTrak (data from USSPACECOM / 18 SDS) · checked 2026-11-02 ↗
In everyday life
- It takes about 2.6 days to circle Earth — a high, long orbit (CelesTrak: 3,809 min).
- Someone born in its launch year (1999) turns 27 this year.