Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/21/2019
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/21/2019 22:15:42 0.01,-137.21 0.94,-133.05 474.37 80
2 09/23/2019 10:40:09 -0.01,-137.20 0.26,-138.31 126.75 80
3 09/24/2019 10:18:45 -0.02,-137.20 -0.77,-133.78 389.01 80
4 09/25/2019 22:40:41 0.02,-137.19 -0.41,-139.08 216.14 80
5 09/26/2019 22:24:36 0.01,-137.18 0.62,-134.56 299.73 80
6 09/28/2019 10:43:44 -0.01,-137.17 0.58,-139.82 302.07 80
7 09/29/2019 10:27:39 -0.00,-137.15 -0.45,-135.29 213.47 80
8 09/30/2019 22:46:55 -0.00,-137.14 -0.78,-140.58 392.44 80
9 10/01/2019 22:30:50 -0.01,-137.12 0.26,-136.05 122.89 80
10 10/03/2019 10:49:57 0.02,-137.10 0.95,-141.31 479.76 80
11 10/04/2019 10:31:12 0.02,-137.08 -0.02,-136.77 35.13 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/21/2019
SNOs_Map_GOES-17_NPP_20190922.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/21/2019 in txt file.

Historical Predictions of SNOs between GOES-17 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service