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Horizons 3e



Designation 43633 / 18074B
Launch date 25 Sep 2018
Country of origin United States
Mission Telecommunications
Geostationary orbit 169°E
Launch vehicle Ariane VA243

Tested at 164.2°E

The Horizons 3e satellite is owned by a new joint venture company, Horizons-3 Satellite LLC, the membership of which will be held by JSAT International Inc., a subsidiary of JSAT and Intelsat Horizons-3 Corporation, a subsidiary of Intelsat, both of which are based in the United States.

High Throughput satellite based on Intelsat's EpicNG. First satellite in Intelsat's EpicNG spacecraft series to feature entire Ku-band spot beams utilising multiport amplifiers.

sat-index articles

Technical data

Lyngsat transponder loading


Prime contractor Boeing
Platform BS-702MP (EpicNG)
Mass at launch 6441 kg
Dry mass  
Solar array  
Stabilization 3-axis
DC power BOL: 18.5 kW
Design lifetime 15 years

TT&C uplink: 5925.5, 6424.5 and 5850-5853.5 MHz
TT&C downlink: 4197.75, 4198.25, 4198.75, 4199.75, 11451, 12200.25 MHz


Main transponders  
Backup transponders  
Coverage spots covering Japan, Alaska, Hawaii and California, South West Australia, New Zealand
EIRP max global: 36.6 dBW
spots: 51 dBW
G/T max global: -4.9 dB/K
spots: 11.2 dB/K
Polarization linear and circularl
Frequencies downlink: 3700-4200 MHz
uplink: 5925-6425 MHz


Main transponders  
Backup transponders  
Coverage Asia-Pacific spots
EIRP max 64.5 dBW
G/T max 19.9 dBW
Polarization linear H/V
Frequencies downlink: 10.85-11.7, 12.2-12.75 GHz
uplink: 12.92-13.25, 13.75-14.5 GHz

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