Re: Updated elements; Helios 2A search TLE

From: C. Bassa (cgbsat@gmail.com)
Date: Mon Jul 23 2012 - 11:08:37 UTC

  • Next message: Bram Dorreman: "SatOpbs 4160 (BD) 2012-07-22"

    Hi Ted,
    
    On Sun, Jul 22, 2012 at 6:49 PM, Ted Molczan <ssl3molcz@rogers.com> wrote:
    > On 2012 May 21 UTC, Cees observed an UNID that Mike McCants suspected was one of the three Helios satellites in "secret"
    > orbits. Two of the three have since been identified; therefore, leaving Helios 2A (04049A / 28492) as the likely ID. If
    > so, then it may be found within several minutes of the time predicted by this TLE:
    >
    > Helios 2A
    > 1 70001U          12142.07122759  .00000198  00000-0  37920-4 0    07
    > 2 70001  98.1288  78.2068 0003000  29.3429 330.7941 14.63820000    00
    
    This plane crossed the 7.2x5.3 deg field-of-view of my fixed setup
    last night from 01:53UT to 02:03UT; Helios 2A was not seen. This
    corresponds to mean anomalies between 134 and 172 degrees, so 43 to 54
    minutes early on your search TLE. With weather permitting I will try a
    more thorough planar search near the expected mean anomaly tonight.
    
    Regards,
        Cees
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