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: 10/16/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/17/2025 19:08:50 0.23, -89.52 1.14, -85.59 448.24 80
2 10/19/2025 07:33:19 -0.20, -89.50 0.12, -90.84 153.86 80
3 10/20/2025 07:11:56 -0.22, -89.50 -0.96, -86.33 362.61 80
4 10/21/2025 19:36:32 0.19, -89.54 -0.28, -91.61 236.82 80
5 10/22/2025 19:15:09 0.20, -89.55 0.75, -87.09 280.26 80
6 10/24/2025 07:39:38 -0.17, -89.54 0.44, -92.35 320.59 80
7 10/25/2025 07:18:15 -0.19, -89.54 -0.59, -87.83 195.91 80
8 10/26/2025 19:42:51 0.16, -89.57 -0.64, -93.12 404.02 80
9 10/27/2025 19:21:28 0.18, -89.58 0.40, -88.59 113.09 80
10 10/29/2025 07:45:56 -0.15, -89.58 0.84, -93.85 486.55 80
11 10/30/2025 07:24:32 -0.17, -89.59 -0.21, -89.32 30.34 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/16/2025
SNOs_Map_GOES-17_NPP_20251017.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/16/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP