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: 9/10/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/11/2025 07:44:51 -0.22, -89.48 0.73, -93.79 490.33 80
2 09/12/2025 07:23:29 -0.22, -89.48 -0.29, -89.26 25.20 80
3 09/14/2025 19:26:46 0.23, -89.52 0.10, -90.05 60.70 80
4 09/15/2025 19:10:43 0.23, -89.52 1.13, -85.52 455.09 80
5 09/17/2025 07:32:33 -0.23, -89.48 0.05, -90.80 149.78 80
6 09/18/2025 07:11:11 -0.24, -89.48 -0.98, -86.27 366.21 80
7 09/19/2025 19:33:10 0.24, -89.53 -0.22, -91.58 233.99 80
8 09/20/2025 19:17:08 0.24, -89.54 0.82, -87.06 282.90 80
9 09/22/2025 07:38:58 -0.23, -89.52 0.37, -92.33 319.92 80
10 09/23/2025 07:17:35 -0.24, -89.53 -0.61, -87.80 196.89 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/10/2025
SNOs_Map_GOES-17_NPP_20250911.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/10/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP