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: 10/12/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/13/2025 07:45:43 -0.20, -89.48 0.75, -93.87 499.78 80
2 10/14/2025 07:24:19 -0.22, -89.48 -0.26, -89.34 15.73 80
3 10/16/2025 19:30:13 0.21, -89.51 0.07, -90.11 68.25 80
4 10/17/2025 19:08:50 0.23, -89.52 1.09, -85.58 448.56 80
5 10/19/2025 07:33:19 -0.20, -89.50 0.11, -90.84 153.17 80
6 10/20/2025 07:11:55 -0.22, -89.51 -0.91, -86.32 363.44 80
7 10/21/2025 19:36:33 0.19, -89.55 -0.28, -91.62 235.88 80
8 10/22/2025 19:15:09 0.20, -89.56 0.75, -87.09 281.35 80
9 10/24/2025 07:39:38 -0.17, -89.55 0.45, -92.35 319.15 80
10 10/25/2025 07:18:15 -0.19, -89.56 -0.58, -87.83 197.48 80
11 10/26/2025 19:42:51 0.16, -89.59 -0.65, -93.12 402.38 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/12/2025
SNOs_Map_GOES-17_NPP_20251013.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/12/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP