SCIENCE COUNTDOWNS / NASA / ESCAPADE / MARS

ESCAPADE Mars Arrival Countdown

Two arrivals for a two-point experiment

ESCAPADE’s twin spacecraft have separate planned Mars arrivals, opening the way to compare the planet’s plasma environment at two locations.

THE PUBLISHED MILESTONE
—MONTHS
—WEEKS
—DAYS
—HOURS
—MINUTES

To the first planned Mars arrival date; no arrival hour has been published here

THE OTHER SPACECRAFT

Second planned Mars arrival · September 9, 2027

Both arrivals are planned. Each clock marks the beginning of its stated UTC date, not a published arrival hour.

—MONTHS
—WEEKS
—DAYS
—HOURS
—MINUTES

To the second planned Mars arrival date; no arrival hour published

Concept diagram of two spacecraft approaching Mars on separate paths, illustrating the paired mission without depicting an exact flight trajectory.
Concept diagram of two spacecraft approaching Mars on separate paths, illustrating the paired mission without depicting an exact flight trajectory. Concept diagram; not to scale. No measured trajectories or resolved target imagery are shown.

WHAT TO FOLLOW

A paired measurement begins with two successful journeys.

NASA’s November 2 update describes two separate Mars arrivals, planned for September 7 and September 9, 2027. They follow the twin spacecraft’s planned November 2026 powered Earth flybys and a roughly ten-month cruise. Keep those two flybys distinct from these later arrival milestones.

ESCAPADE is designed to compare the Martian plasma environment from two locations. That pairing helps researchers ask how conditions change across space rather than attributing every difference to change over time. The arrival reports will be the first things to check, followed by orbit and instrument updates.

This file tracks the plan for both spacecraft. Look for dated agency reports before treating either arrival as complete. An orbit milestone also does not, by itself, establish that a science campaign has begun or that a new result has passed scientific review.

QUESTIONS TO RETURN FOR

Keep the evidence in view.

01 / FOLLOW THE EVIDENCE

Why are there two clocks?

NASA gives two planned arrival days. Keeping them separate prevents a successful first arrival from being mistaken for completion of the whole sequence.

02 / FOLLOW THE EVIDENCE

What happens after arrival?

Follow the mission’s orbit and instrument status reports. Ask what configuration the spacecraft need before the paired measurements can begin.

03 / FOLLOW THE EVIDENCE

What should I return for?

The arrival outcome for each spacecraft, the resulting orbit status and the mission team’s explanation of the next operational step.

Remind me to check the outcome

Choose your calendar

Return for reports on at 9:00 a.m. in your calendar’s time zone, two days after the event day or window ends.

This is a return-for-results reminder, not the event time or an observing alarm. Check the date, time and alert before saving. Reports may take longer.

Saved reminders do not update if the schedule changes. Remove the old reminder and add a new one from this page.

Need another way?

Download the calendar file (.ics) and open it in your calendar. For Outlook on the web, choose Add calendar → Upload from file. For Google Calendar on a computer, choose Settings → Import & export → Import.

No email signup. We don’t receive your calendar details.

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