TESS

NORAD 43435 · Payload · In orbit since 2018

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Launched: 2018-04-18 · Cape Canaveral / Kennedy, USA
Country / operator: US (United States)
Object type: Payload
Purpose: Astronomy
Mass: 362 kg
Size: 1.5 × 1.2 m · 3.7 m deployed
Orbit class: Highly elliptical
Perigee × Apogee: 115,524 × 354,239 km
Inclination: 56.8°
Period: 19654.7 min
Eccentricity: 0.4947
Orbit data: Reconstructed from catalog orbit

Mass, size and purpose from GCAT (J. McDowell, CC BY 4.0).