AEHF 4 (USA 288)

Launch data:

Spacecraft data:

Mission details:

• United Launch Alliance fired an Atlas V 551 from Cape Canaveral on Oct 17, 2019 carrying the AEHF 4 satellite. AV-073 took off at 0415 UTC, reached a 176 x 485 km x 28.1 deg parking orbit at 0426 UTC, a 202 x 22578 km x 25.9 deg transfer orbit at 0443 UTC, and after a third burn completed at 0745 UTC delivered AEHF 4 to a 8914 x 35300 km x 12.8 deg orbit at 07:47 UTC.
• AEHF 4 was built by Lockheed Martin (using the A2100 bus) for the US Air Force. It carries a 20/44 GHz strategic secure communications payload.

External links:

• Satellite tracking (n2ya.com): Real time satellite tracking