Back to catalog
Object data
CALSPHERE 1
Check the current position, flight trajectory and orbital parameters for CALSPHERE 1 (NORAD 900). Find out when it will be visible in the sky.
NORAD 900Radar calibrationOrbit
Orbital data
Catalog facts
- Name
- CALSPHERE 1
- NORAD ID
- 900
- Category
- Radar calibration
- TLE epoch
- Aug 11, 2026, 13:13 UTC
- Object ID
- 1964-063C
- Object type
- Payload
- Owner
- United States
- Launch site
- Air Force Western Test Range, California, USA
- Launch date
- 1964-10-06
- Operational status
- Active
- Orbit type
- Orbit
- Orbit center
- Earth
Orbital parameters
Orbit profile
Inclination90.2184°
Eccentricity0.0027
Mean motion13.7667 rev/day
Orbital period104.6 min
Perigee955.6 km
Apogee995.8 km
Interactive tools
Observe and track this object
Choose one of the tools to check satellite visibility from your location or view its trajectory on a map.