Re: LB Obs 2019 Aug 23-24 night

From: C. Bassa via Seesat-l <seesat-l_at_satobs.org>
Date: Sat, 24 Aug 2019 15:53:23 +0200
Hoi Leo,

On Sat, Aug 24, 2019 at 3:40 PM Leo Barhorst via Seesat-l
<seesat-l_at_satobs.org> wrote:
> 99999 19 736A   4172 E 20190824010735907 17 25 0542872+590883 37 I
> 99999 19 736A   4172 E 20190824010742206 17 25 0559791+571542 37 I
> 99999 19 736A   4172 E 20190824010744622 17 25 0605527+563320 37 I
> Satfit gives:
> 14690    0.689  126.640    0.138 19736A  116.964
> Cees Bassa observed this sat Aug 22nd, also  as UNID and Irregular.

This unknown is not NOSS 6 (A) [14690/84012A].

This is what satfit reported:
14690    0.689  126.640    0.138 19736A  116.964
Here, the 2nd column is the difference in mean anomaly, and the 3rd
column the difference in RA of the ascending node. This is for the
case of using the last TLE, but allowing for changes in mean anomaly
and RA of the ascending node. For a lost satellite to be a match to
the unknown, the difference in RA of the ascending node, can not be
large (a few degrees at max). In this case, the 126.6 degree offset in
RA of the ascending node means that your unknown can not be NOSS 6(A).

Regards,
    Cees
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Received on Sat Aug 24 2019 - 08:54:02 UTC

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