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: 9/12/2020
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/12/2020 22:24:22 -0.05,-137.20 0.54,-134.53 303.69 80
2 09/14/2020 10:43:31 0.04,-137.19 0.63,-139.80 297.21 80
3 09/15/2020 10:27:26 0.03,-137.19 -0.37,-135.27 218.92 80
4 09/16/2020 22:46:44 -0.03,-137.19 -0.78,-140.58 386.03 80
5 09/17/2020 22:30:39 -0.03,-137.19 0.22,-136.04 129.96 80
6 09/19/2020 10:49:47 0.03,-137.18 0.95,-141.31 471.65 80
7 09/20/2020 10:33:43 0.03,-137.17 -0.06,-136.78 43.93 80
8 09/22/2020 22:34:15 -0.03,-137.14 -0.14,-137.55 47.08 80
9 09/23/2020 22:18:10 -0.03,-137.13 0.87,-133.02 467.87 80
10 09/25/2020 10:37:19 0.02,-137.10 0.31,-138.29 135.55 80
11 09/26/2020 10:21:15 0.01,-137.09 -0.76,-133.77 379.02 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/12/2020
SNOs_Map_GOES-17_NPP_20200913.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/12/2020 in txt file.

Historical Predications of SNOs between GOES-17 and NPP