Re: HTV-1

From: Marco Langbroek (
Date: Mon Sep 14 2009 - 06:15:34 UTC

  • Next message: Kevin Fetter: "2 flashing geo sat's"

    Daniel Deak schreef:
    > I don't know if the spacecraft is in a barbecue mode or is in a stable mode.
    > If it is stable, these flares must come from a reflective flat surface or
    > something similar and should be predictable.
    Hi Daniel a.o.,
    If you look at pictures of the spacecraft, e.g. here: see the surface of the spacecraft is covered in small solar panels. I 
    suspect these are causing the flares.
    It is also visible that the spacecraft is completely covered by orange colored 
    metal foil (thermal blanket), so that is where it gets the distinct orange color 
    from I guess.
    > This spacecraft seems to produce short flares at least once at almost every
    > pass
    I have observed the spacecraft on two passes now, and on both passes it flared, 
    indeed. So it seems we have a nice light show in the sky the coming days!  :-)
    - Marco
    Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
    Cospar 4353 (Leiden):   52.15412 N, 4.49081 E (WGS84), +0 m ASL
    Cospar 4354 (De Wilck): 52.11685 N, 4.56016 E (WGS84), -2 m ASL
    Station (b)log:
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