TESS

SatelliteHEOUnited States
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TESS is a satellite, with ownership listed as United States in CelesTrak's catalogue, currently in a highly elliptical orbit ranging from 119,101 km to 364,462 km. It completes one orbit of Earth roughly every 20504 minutes at an inclination of 56.2°. It was launched in 2018. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID
43435
COSPAR ID
2018-038A
Type
Satellite
Orbit
HEO
Perigee (lowest)
119,101 km
Apogee (highest)
364,462 km
Inclination
56.23°
Orbital period
20504 min
Launch year
2018
Owner (CelesTrak)
United States

Orbital data updated: 2026-09-21 · 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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