31701 and 31708 manoeuvred??

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Mon, 28 Aug 2017 11:42:47 +0200
This morning I wrote:
>>
31701 and 31708 have much higher residuals in the 2nd pass then in the
1st pass. Have they manoeuvred??

Norad Cospar         Cross-track     delta T      TLE age  range
31701 07 027A  |  0.00444 deg    0.348 sec   2.0 day, 1717.6 km 1st pass
31708 07 027C  |  0.00173 deg    0.126 sec   2.0 day, 1691.1 km 1st pass
31701 07 027A  | -0.10272 deg   -1.027 sec   2.2 day, 1939.4 km 2nd pass
31708 07 027C  | -0.09587 deg   -1.200 sec   2.2 day, 1931.3 km 2nd pass
>>

In fact the above 2nd pass was the 3rd pass.

It should have read:

31701 and 31708 have much higher residuals in the 3rd pass then in the
1st and 2nd pass. Have they manoeuvred??

Norad Cospar         Cross-track     delta T      TLE age  range
31701 07 027A  |  0.00444 deg    0.348 sec   2.0 day, 1717.6 km 1st pass
31708 07 027C  |  0.00173 deg    0.126 sec   2.0 day, 1691.1 km 1st pass
31701 07 027A  |  0.01812 deg    0.234 sec   2.0 day, 1495.8 km 2nd pass
31708 07 027C  | -0.01966 deg   -0.001 sec   2.0 day, 1472.8 km 2nd pass
31701 07 027A  | -0.10272 deg   -1.027 sec   2.2 day, 1939.4 km 3rd pass
31708 07 027C  | -0.09587 deg   -1.200 sec   2.2 day, 1931.3 km 3rd pass

I reneasured the 3rd pass, but the points are correct.

Leo
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Received on Mon Aug 28 2017 - 04:43:29 UTC

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