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: 10/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/19/2025 07:33:19 -0.20, -89.49 0.13, -90.84 154.37 80
2 10/20/2025 07:11:56 -0.22, -89.50 -0.95, -86.32 361.95 80
3 10/21/2025 19:36:32 0.19, -89.53 -0.30, -91.61 237.71 80
4 10/22/2025 19:15:09 0.20, -89.54 0.73, -87.08 279.21 80
5 10/24/2025 07:39:38 -0.17, -89.53 0.46, -92.35 321.93 80
6 10/25/2025 07:18:15 -0.19, -89.53 -0.57, -87.82 194.39 80
7 10/26/2025 19:42:51 0.16, -89.56 -0.66, -93.11 405.79 80
8 10/27/2025 19:21:28 0.18, -89.57 0.37, -88.59 111.19 80
9 10/29/2025 07:45:57 -0.15, -89.56 0.82, -93.85 488.79 80
10 10/30/2025 07:24:33 -0.17, -89.57 -0.22, -89.33 27.79 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/17/2025
SNOs_Map_GOES-17_NPP_20251018.jpg

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

Historical Predications of SNOs between GOES-17 and NPP