RE: New NROL-47 elset predictions

From: Ted Molczan via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 11 Jan 2018 19:55:07 -0500
The launch has been scrubbed. Next launch window opens on 12 Jan at 21:00 UTC.

Ted Molczan


> -----Original Message-----
> From: Seesat-l [mailto:seesat-l-bounces+ssl3molcz=rogers.com_at_satobs.org] On Behalf Of Ted
> Molczan via Seesat-l
> Sent: January-11-18 7:43 PM
> To: seesat-l_at_satobs.org
> Subject: New NROL-47 elset predictions
> 
> Here are Marco Langbroek's new NROL-47 elsets, updated for launch tonight 12 January 00:59
> UT.
> 
> Text is as Marco wrote. Coverage is here:
> 
> https://spaceflightnow.com/2018/01/10/delta-4-nrol-47-mission-status-center/
> 
> First, taking the launch azimuth at face value (resulting in a 108.6 degree
> inclined orbit), for two altitude variants, one ~1500 km orbital altitude and
> one for a FIA-like ~1100 km orbital altitude:
> 
> NROL-47 1495 X 1505
> 1 70000U 18999A   18012.04097225  .00000000  00000-0  00000-0 0    07
> 2 70000 108.6398 173.9331 0006347 166.4011 308.2684 12.41559515    09
> 
> NROL-47 1100 X 1110
> 1 70001U 18999A   18012.04097226  .00000000  00000-0  00000-0 0    09
> 2 70001 108.5831 173.9331 0006682 166.4011 304.1188 13.41149813    04
> 
> Second, two more altrenative elset (for the same two altitude variants) that
> assume an inclination-changing manoeuvre into a 123.0 degree inclined FIA-like
> orbit upon first nodal passage:
> 
> NROL-47 ALT 1495 X 1505
> 1 70004U 18999A   18012.05555557  .00000000  00000-0  00000-0 0    09
> 2 70004 123.0000 173.9454 0006347 179.9597 359.9483 12.41559515    08
> 
> NROL-47 ALT 1100 X 1110
> 1 70005U 18999A   18012.05245373  .00000000  00000-0  00000-0 0    02
> 2 70005 123.0000 173.9618 0006682 180.0080 359.9441 13.41149813    04
> 
> For more background details, see Marco's earlier posted here:
> 
> http://www.satobs.org/seesat/Jan-2018/0080.html
> 
> and here:
> 
> http://www.satobs.org/seesat/Jan-2018/0089.html
> 
> Ted Molczan
> 
> 
> _______________________________________________
> Seesat-l mailing list
> http://mailman.satobs.org/mailman/listinfo/seesat-l
> 
> _______________________________________________
> Seesat-l mailing list
> http://mailman.satobs.org/mailman/listinfo/seesat-l

_______________________________________________
Seesat-l mailing list
http://mailman.satobs.org/mailman/listinfo/seesat-l
Received on Thu Jan 11 2018 - 18:56:13 UTC

This archive was generated by hypermail 2.3.0 : Fri Jan 12 2018 - 00:56:14 UTC