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: 9/11/2025
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 0.72, -93.79 490.39 80
2 09/12/2025 07:23:28 -0.22, -89.48 -0.24, -89.25 25.27 80
3 09/14/2025 19:26:46 0.23, -89.52 0.12, -90.05 60.61 80
4 09/15/2025 19:10:43 0.23, -89.52 1.15, -85.53 455.20 80
5 09/17/2025 07:32:34 -0.23, -89.48 0.04, -90.80 149.79 80
6 09/18/2025 07:11:10 -0.24, -89.48 -0.93, -86.26 366.23 80
7 09/19/2025 19:33:10 0.24, -89.53 -0.20, -91.59 233.86 80
8 09/20/2025 19:17:07 0.24, -89.54 0.77, -87.05 283.05 80
9 09/22/2025 07:38:57 -0.23, -89.52 0.41, -92.32 319.86 80
10 09/23/2025 07:17:35 -0.24, -89.53 -0.62, -87.80 196.93 80
11 09/24/2025 19:39:34 0.23, -89.58 -0.56, -93.11 402.61 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/11/2025
SNOs_Map_GOES-17_NPP_20250912.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/11/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP