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-lReceived 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