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: 9/13/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/14/2025 09:20:35 0.55, 61.34 0.69, 62.07 83.17 80
2 09/16/2025 21:23:43 -0.55, 61.39 -0.54, 61.32 7.34 80
3 09/19/2025 09:24:20 0.55, 61.34 0.37, 60.54 91.71 80
4 09/20/2025 09:08:18 0.56, 61.34 1.40, 65.06 424.27 80
5 09/21/2025 21:30:07 -0.53, 61.38 -0.15, 59.80 180.33 80
6 09/22/2025 21:08:44 -0.55, 61.38 -1.19, 64.32 334.63 80
7 09/24/2025 09:33:24 0.51, 61.35 0.00, 59.01 266.11 80
8 09/25/2025 09:12:01 0.54, 61.35 1.04, 63.53 249.40 80
9 09/26/2025 21:36:31 -0.50, 61.38 0.21, 58.27 354.74 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/13/2025
SNOs_Map_GOES-15_NPP_20250914.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/13/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP