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: 9/19/2019
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/20/2019 09:53:07 0.34,-127.96 0.17,-127.23 83.33 80
2 09/22/2019 21:56:17 -0.33,-127.86 -0.38,-127.99 16.36 80
3 09/23/2019 21:40:13 -0.33,-127.82 0.65,-123.46 496.68 80
4 09/25/2019 10:02:01 0.31,-127.79 0.50,-128.74 107.88 80
5 09/26/2019 09:40:36 0.32,-127.75 -0.47,-124.20 404.37 80
6 09/27/2019 22:02:32 -0.30,-127.66 -0.70,-129.50 209.62 80
7 09/28/2019 21:46:27 -0.31,-127.62 0.27,-124.96 302.97 80
8 09/30/2019 10:05:35 0.29,-127.59 0.88,-130.23 301.18 80
9 10/01/2019 09:49:29 0.30,-127.54 -0.10,-125.69 210.81 80
10 10/02/2019 22:08:46 -0.28,-127.44 -1.07,-131.00 404.68 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/19/2019
SNOs_Map_GOES-15_NPP_20190920.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/19/2019 in txt file.

Historical Predictions of SNOs between GOES-15 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service