Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/25/2017
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/25/2017 22:24:24 0.04,-135.27 0.22,-134.55 81.96 80
2 12/28/2017 10:24:46 -0.04,-135.29 -0.04,-135.28 0.99 80
3 12/30/2017 22:27:56 0.04,-135.16 -0.15,-136.05 100.77 80
4 12/31/2017 22:11:50 0.03,-135.14 0.84,-131.51 413.04 80
5 01/02/2018 10:30:57 -0.04,-135.16 0.32,-136.78 184.68 80
6 01/03/2018 10:14:52 -0.03,-135.13 -0.67,-132.25 328.86 80
7 01/04/2018 22:34:07 0.04,-135.02 -0.51,-137.55 288.08 80
8 01/05/2018 22:18:02 0.04,-134.98 0.49,-133.01 225.12 80
9 01/07/2018 10:37:09 -0.05,-135.00 0.68,-138.28 373.55 80
10 01/08/2018 10:21:04 -0.04,-134.97 -0.32,-133.75 139.71 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 12/25/2017
SNOs_Map_GOES-15_NPP_20171226.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 12/25/2017 in txt file.

Historical Predictions of SNOs between GOES-15 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service