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: 10/18/2025
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 0.11, -90.84 154.34 80
2 10/20/2025 07:11:55 -0.22, -89.49 -0.91, -86.32 361.91 80
3 10/21/2025 19:36:33 0.19, -89.53 -0.28, -91.62 237.78 80
4 10/22/2025 19:15:09 0.20, -89.54 0.75, -87.09 279.09 80
5 10/24/2025 07:39:38 -0.17, -89.52 0.44, -92.35 322.11 80
6 10/25/2025 07:18:15 -0.19, -89.53 -0.59, -87.83 194.21 80
7 10/26/2025 19:42:51 0.16, -89.55 -0.64, -93.12 406.00 80
8 10/27/2025 19:21:28 0.18, -89.56 0.40, -88.59 110.90 80
9 10/29/2025 07:45:57 -0.15, -89.56 0.79, -93.86 489.11 80
10 10/30/2025 07:24:34 -0.17, -89.57 -0.25, -89.33 27.63 80
11 11/01/2025 19:30:26 0.15, -89.61 0.02, -90.09 55.23 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/18/2025
SNOs_Map_GOES-17_NPP_20251019.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/18/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP