Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/11/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/12/2025 21:36:51 -0.41, 61.41 0.30, 58.27 357.40 80
2 10/13/2025 21:15:28 -0.45, 61.42 -0.77, 62.79 156.32 80
3 10/15/2025 09:40:05 0.38, 61.42 -0.50, 57.51 446.43 80
4 10/16/2025 09:18:42 0.43, 61.43 0.58, 62.02 68.55 80
5 10/18/2025 21:24:27 -0.39, 61.46 -0.33, 61.30 18.73 80
6 10/19/2025 21:03:04 -0.43, 61.47 -1.41, 65.82 495.19 80
7 10/21/2025 09:27:41 0.36, 61.48 0.16, 60.53 108.08 80
8 10/22/2025 09:06:17 0.40, 61.49 1.19, 65.06 406.54 80
9 10/23/2025 21:30:46 -0.32, 61.51 0.07, 59.81 194.64 80
10 10/24/2025 21:09:23 -0.37, 61.53 -1.02, 64.32 318.36 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/11/2025
SNOs_Map_GOES-15_NPP_20251012.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/11/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP