Re: PSLV-6

From: Björn Gimle (b_gimle@algonet.se)
Date: Fri Oct 17 2003 - 19:56:17 EDT

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I was able to see USA 116 at approximately the right time 21:57 UTC
2003-10-17 at 11- elevation, but the telescope was at the wrong place, so
USA 116 descended behind a spruce before I had the presence of mind to
click the stopwatch at least.

OIG has decided to switch the identities of the IRS-P6 objects, so the
tumbling object in higher orbit is now the rocket.

The three IRS elsets do differ a few seconds in time, but not
sufficiently in elevation to account for the leading (?) object I saw.

One steady satellite ?:
IRS P6
1 28050U 03046A   03290.52632301  .00000013  00000-0  58709-5 0    38
2 28050  98.8120   3.7248 0019185 252.8749 107.0805 14.21027437    57
PSLV R/B
1 28051U 03046B   03290.45590567 -.00195379  00000-0 -92479-1 0    27
2 28051  98.8068   3.6503 0019338 253.0605 106.8615 14.20994203    44
PSLV R/B
1 28051U 03046B   03290.31508015 -.00000045  00000-0  00000+0 0    19
2 28051  98.8059   3.5087 0019184 253.4104 106.4987 14.21060597    24

Rocket:

PSLV R/B
1 28051U 03046B   03290.52733037  .00000009  00000-0  45355-5 0    35
2 28051  98.7420   3.6672 0050288 253.7114 105.9002 14.15973957    51
IRS P6
1 28050U 03046A   03290.38599530 -.00143219  00000-0 -73216-1 0    21
2 28050  98.7387   3.5235 0050375 253.9688 105.5910 14.15960672    33
IRS P6
1 28050U 03046A   03290.31533263 -.00000044  00000-0  00000+0 0    10
2 28050  98.7373   3.4533 0050272 253.9961 105.5642 14.15982488    28

----- Original Message ----- 
From: "Björn Gimle" <b_gimle@algonet.se>
To: <SeeSat-L@satobs.org>
Sent: den 17 oktober 2003 21:02
Subject: PSLV-6


> I observed IRS-P6 rk 18:01:47.7 UTC Oct.17 at 5h 17m 10s +39 27' mag
+7.
>
> Just two seconds BEFORE this (less than one degree), 18:01:45.1 and 5h
> 17m 53s +39 42' was another object, mag +6.5 if I remember correctly.
> (Identities and magnitudes can be wrong)
>
> 18:03:55.8 04h50m 28 +37 38' IRS-P6 came at +6.5m, but varying to +7.5?
> with 1.04 s period.
>
> -- COSPAR 5919, MALMA,    59.2576 N, 18.6172 E, 23 m         --
> -- COSPAR 5918, HAMMARBY, 59.2985 N, 18.1045 E, 44 m         --
>
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