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Launch Preview: SpaceX, ESA Planning To Launch Hera Mission Aboard Falcon 9 Monday Morning

SpaceX and the European Space Agency are planning to launch ESA’s Hera probe from Space Launch Complex 40 on Monday, October 7th. The launch window extends from 10:52 AM – 11:27 AM EDT.

At A Glance:

A Falcon 9 on the launch mount at Space Launch Complex 40 in August 2024
Photo: Charles Boyer / Talk of Titusville

Falcon Family Returns To Flight, For This One Flight

The flight will mark the return to flight for Falcon family rockets after the September 28, 2024 launch of Crew 9 from Cape Canaveral, but according to the FAA it is for the Hera After launching NASA’s Crew 9 mission with Cosmonaut Aleksandr Gorbunov and NASA Astronaut Nick Hague aboard Crew Dragon on their mission to the International Space Station, the second stage of Falcon 9 separated from the capsule and was later commanded to fire its engine one last time in order for it to re-enter Earth’s atmosphere.

A specific area in the Pacific Ocean was targeted so as to minimize any risk of surviving debris causing injuries or property damage. The second stage’s final burn was “off-nominal,” according to SpaceX, and the stage re-entered outside of its designated area. SpaceX immediately announced it was “pausing” Falcon 9 flights while it investigated the matter and two days later, the FAA announced that it was requiring a formal investigation into the incident.

Falcon 9 second stage after shutting down on September 28, 2024 Photo: NASA – SpaceX livestream

That investigation put the Monday, October 7 target date for Hera’s launch in doubt, but SpaceX has been given a special exemption for the Hera flight because the second stage will not be re-entering Earth orbit:

Assuming a successful LRR (Launch Readiness Review), Falcon 9 will again soar over Florida skies tomorrow morning.

Payload

According to ESA, “Hera is a planetary defence mission under development at the European Space Agency. Its objectives are to investigate the Didymos binary asteroid, including the very first assessment of its internal properties, and to measure in great detail the outcome of NASA’s DART mission kinetic impactor test. Hera will provide extremely valuable information for future asteroid deflection missions and science; increasing our understanding of asteroid geophysics as well as solar system formation and evolutionary processes.”

ESA: Hera Mission page

ESA released this infographic showing the basic timeline of the Hera mission.

Weather

The L-1 Forecast from the 45th Weather Squadron of the Launch Delta 45 command of the US Space Force is not optimistic for a the next three days:

And after that, things will only get worse as a tropical system approaches the area midweek.

Via National Hurricane Center, retrieved October 6, 11:45 AM EDT

We will update this article with the official POV forecasts from the 45th Weather Squadron are updated.

Trajectory

Eastward towards an equatorial orbit.

Online Viewing

SpaceCoastLaunchCalendar.com will have a livestream of the launch if you’re not able to watch the launch in person: Livestream

SpaceX will have a live stream of the launch on its website. This will also be available on the X platform. Coverage starts about fifteen minutes before liftoff.

Spaceflight Now will have coverage of the launch starting about one hour before liftoff on Youtube: link

For official updates regarding launch timesSpaceX.com is the best source of information. Starlink launch times change from time to time, and the company generally updates their website within minutes of the decision to change the launch time. This is very handy if none of the streaming options on YouTube have started their broadcasts.

Remember that there is a delay between a launch stream and the actual countdown clock. That is simply because of physics: it takes time for the signal to travel from the launch site, through the Internet, and back down to your phone, resulting in a five to fifteen-second delay.

Next Space Flight an app for iOS and Android phones, has a real-time countdown clock that is accurate to a second, give or take. The app is free. Search the App Store or Google Play. They are also on the web: nextspaceflight.com.

Launch Viewing: In Person

Since the launch is during the morning, a lot of options are available for spectators: Jetty Park, the Banana River Bridge on FL 528 W or the southern Titusville parks on Washington Avenue / US-1 are your best bets.

Cocoa Beach will have great views of the launch once it clears any obstructions from the rising rocket and a viewer’s location.

Playalinda Beach is several miles north of the launch pad, but ignition and of course the flight of the rocket are visible from that location. If you go, go early in case the crowds are heavy.

This flight is one where the booster will be expended after its duty cycle. This is being done in order to get the maximum performance possible out of the launch vehicle. That in mind, there will be no sonic boom in the Space Coast region for a returning booster.

The “Big Vent” event at T-minus twenty minutes for a Falcon 9 rocket is a common sight here on the Space Coast. This is liquid nitrogen being vented out of the propellant fill lines. The clouds are condensation and are harmless.
Photo: Charles Boyer / Talk of Titusville
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