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ISS reboost?
I notice the high and low points of the ISS altitude for the last two orbits
have been higher than the last few days worth. I take it the ISS is having a reboost? Brian |
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ISS reboost?
"Brian Hoover" wrote in message ...
I notice the high and low points of the ISS altitude for the last two orbits have been higher than the last few days worth. I take it the ISS is having a reboost? Brian You may have already seen this in Jacques post, there was a phasing burn on Thursday to support the upcoming Soyuz mission: "At 9:11am EDT, a 6 min 50 sec reboost of the ISS was performed by Progress 12P, designed to lift the apogee of the station's slightly elliptical orbit by 5.9 km to 388.8 km (perigee remaining at 375 km, i.e., mean altitude increase = 2.9 km). Total delta-V: 2.2 m/sec, as planned. For the maneuver, the ISS at 6:00am maneuvered from XPOP to LVLH. After the reboost, ISS now remains in LVLH attitude, under U.S. CMG momentum management." One minor note, the actual reboost delta-V was 1.67 m/s (as planned), 2.2 m/s was the target loaded to the vehicle, which is higher than the actual value due to a nuance in the software. |
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