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Mission record

ACE

Also known as Advanced Composition Explorer

NASA · Launched

Explore trajectory

Active · Active

NASA's active Advanced Composition Explorer studies solar, interplanetary, interstellar, and galactic energetic particles from the Sun-Earth L1 Lagrange point.

Destinations
Launch vehicle
Delta 7920-8 (no. D247)
Launch site
Cape Canaveral Air Station, Florida / Launch Complex 17A
Countries
United States
Mission types
Heliophysics

Chronology

Mission timeline

  1. Launch

    ACE launched

    Earth

Mission architecture

Vehicles

  • ACE · Spacecraft

    Destinations: Sun

Trajectory record

Time-dependent navigation trajectory

Source states place the model at the selected time. Reconstructed flight, estimates, predictions and historical mission plans are identified by interval; gaps remain visible.

Source records and sampling assumptions are retained with the repository data. Model attitude and surface appearance are illustrative.

  • ACE: Predicted · August 26, 1997 to November 22, 2026

Provenance

Sources

Each source is listed once and labeled with the mission, event, trajectory, or destination/body context it supports.

Data verified through October 4, 2026