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: 6/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/22/2025 21:32:26 -0.20, 61.31 0.47, 58.33 339.63 80
2 06/23/2025 21:16:21 -0.18, 61.31 -0.52, 62.87 177.24 80
3 06/25/2025 09:35:39 0.22, 61.25 -0.61, 57.56 421.33 80
4 06/26/2025 09:19:34 0.21, 61.25 0.39, 62.09 95.45 80
5 06/28/2025 21:22:39 -0.22, 61.31 -0.24, 61.35 4.71 80
6 07/01/2025 09:23:12 0.24, 61.26 0.11, 60.58 76.80 80
7 07/02/2025 09:07:07 0.22, 61.26 1.11, 65.11 440.12 80
8 07/03/2025 21:26:16 -0.26, 61.32 0.09, 59.85 167.64 80
9 07/04/2025 21:10:11 -0.24, 61.32 -0.91, 64.38 348.82 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 6/21/2025
SNOs_Map_GOES-15_NPP_20250622.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 06/21/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP