LowEarth

TESS

NORAD 43435· COSPAR 2018-038A· Active satellite· Other / Unclassified· HEO
Launch
Launched on Apr 18, 2018 from Space Launch Complex 40, United States of America aboard a Falcon 9 Block 4.
Falcon 9 Block 4 | TESS (Transiting Exoplanet Survey Satellite)
Live · TLE epoch 2026-09-07 15:41 UTC
Orbit class
HEO — Highly Elliptical (Molniya, Tundra, GTO)
Operator
United States Government
Country
United States
Manufacturer
Launched
Apr 18, 2018
Mass
Apogee
362,772 km
Perigee
121,966 km
Inclination
56.11°
Period
14.29 d

Altitude history

Apogee and perigee for TESS across 14 days of archived orbital elements (15 element sets, one per day).

Trend
Stable
Change
+0.0 km
Rate
+0.00 km/day
Now
121966 × 362772 km
242369362772121966Aug 26Sep 9
Apogee Perigee

Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.

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