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Mar 10 2017

Operations Summary – Week of 3/6/17

KerBalloon Missions Set Progenitor Program for Recovery

This past week saw sea launches & recoveries with a high-altitude and low-altitude balloon, both of which were carried out successfully. However in addition to carrying out contracts, the missions also simulated the recovery of rocket payloads out at sea with the help of a Maritime Service Vessel (in this case, the MSV Tongjess, with a crew that is experienced in operating with us at sea). While rocket recoveries at sea are great because it allows us to launch east away from KSC and with the spin of Kerbin, there is the issue of the rocket payload not being buoyant enough to float after splashdown. KerBalloon probes use the empty balloon casing to stay afloat, but without that the payload truss will sink straight to the bottom of the ocean after it lands in the water. Before we tried to complicate the rocket by adding some sort of floating airbag to deploy after splashdown, we instead decided to try complicating our recovery procedures first.

For the first KerBalloon mission, as the probe descended under its parachute the launch craft from the Tongjess maneuvered itself underneath it so it landed on the deck of the ship. This would be the optimal recovery method for rocket payloads. In the event that they do end up in the water however, the second KerBalloon was launched with a rocket parachute rather than the KerBalloon chute units and allowed to splashdown next to the launch craft so the crew could observe how well the parachute floated in the water. It did stay on the surface for almost a minute, however there was also no pull from a sinking payload and sea conditions were a bit choppy. Should the launch craft miss the payload, Bob reports that they will still be close enough to snag the parachute to drag the payload out of the water before the whole thing sinks.

The recovery tests going well has been a huge relief for the Progenitor Program. We look forward to doing it for real next week! Reminder that the first Progeny Mk3 launch is still on schedule for 3/15 @ 18:45 UTC.

Meeny Returns to Interplanetary Space

Yesterday Meeny departed the Kerbin system after getting kicked out by Mun on its last pass through its SOI. We’re sad to see it go as it was the largest of the three moonlets captured so far and would have made for a nice scientific target. Now that it’s back out in sun orbit with all the rest, its significance is no longer worth any consideration for a future mission. The Asteroid Tracking Network remains in charge of keeping an eye on it, and will be doing so over the next several days to determine its new trajectory around the sun. Once they have the orbit nailed down, we’ll find out whether Meeny will ever be passing through the system again, although it’s highly unlikely it would also pass close enough to Mun for another capture.

ATN Database Update

The weekly update for the Asteroid Tracking Network database was posted here. It contains now a total count of 364 asteroids.

Celestial Snapshot of the Week

Val stayed up late to catch both Mun and Kerbol setting over the western mountains as seen from the balcony of the astronaut complex, also known as a partial (or Annular here at the equator) eclipse.

From the Desk of Drew Kerman

Out of Character Behind the Scenes stuff