I would guess if you went up to 10000 km or so, lunar perturbations would be the dominant effect rather than drag.
Altitude of Lightsail-2 versus time (red: apogee, perigee; blue; average of the two).; shows that drag is a much bigger effect that any net sail thrust. #YurisNightpic.twitter.com/q0CX4PNyOD
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Tämä twiitti ei ole saatavilla.
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How much higher do you think something like Lightsail-2 would need to be to have radiation pressure > drag?
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LS-2 was already high enough. With proper sail attitude control, net orbit raising by solar radiation exceeds atm drag by about ~7x (orbit average) at launch altitude (given current low solar activity). No net orbit raising without working attitude control, even at 10000 km orbit
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Why does the apex rise while the perigee falls?
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The eccentricity changes with time while the semi major axis is constant. The changes in eccentricity are driven by radiation pressure on the sail.
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Do you have the same plot for the Microscope satellite and its 2 « bunny ears » ?
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa
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So does this mean the idea isn't practical or just the specific vehicle isn't there yet? Love the info, would love an eli5.
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There were control problems on this particular flight so they didn't really achieve what they said they would.
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