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: 10/15/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/16/2025 19:30:13 0.21, -89.51 0.08, -90.11 68.42 80
2 10/17/2025 19:08:50 0.23, -89.52 1.10, -85.58 448.26 80
3 10/19/2025 07:33:19 -0.20, -89.50 0.10, -90.85 153.76 80
4 10/20/2025 07:11:55 -0.22, -89.50 -0.92, -86.32 362.72 80
5 10/21/2025 19:36:33 0.19, -89.54 -0.27, -91.62 236.66 80
6 10/22/2025 19:15:09 0.20, -89.55 0.76, -87.09 280.44 80
7 10/24/2025 07:39:39 -0.17, -89.54 0.44, -92.36 320.36 80
8 10/25/2025 07:18:15 -0.19, -89.55 -0.59, -87.83 196.17 80
9 10/26/2025 19:42:51 0.16, -89.58 -0.64, -93.12 403.75 80
10 10/27/2025 19:21:28 0.18, -89.59 0.40, -88.59 113.39 80
11 10/29/2025 07:45:57 -0.15, -89.59 0.79, -93.86 486.23 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/15/2025
SNOs_Map_GOES-17_NPP_20251016.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/15/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP