SPACENET 4 R/B [PAM-D]

DebrisHEOGTOUnited States
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SPACENET 4 R/B [PAM-D] is a debris operated by United States, currently in a highly elliptical orbit ranging from 1,372 km to 35,875 km. It completes one orbit of Earth roughly every 655 minutes at an inclination of 22.0°. It was launched in 1991. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID
21229
COSPAR ID
1991-028C
Type
Debris
Orbit
HEO
Perigee (lowest)
1,372 km
Apogee (highest)
35,875 km
Inclination
22.01°
Orbital period
655 min
Launch year
1991
Operator
United States

Orbital data updated: 2026-07-21 · from CelesTrak, refreshed every 2 hours.

About HEO orbit

Highly Elliptical Orbit. An elongated orbit that swings close to Earth at perigee and far away at apogee. Includes Molniya and Tundra orbits used for high-latitude coverage.

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