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: 9/28/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/29/2025 09:39:46 0.48, 61.34 -0.36, 57.50 437.68 80
2 09/30/2025 09:18:24 0.51, 61.34 0.69, 62.02 77.63 80
3 10/02/2025 21:24:10 -0.50, 61.38 -0.46, 61.29 11.35 80
4 10/05/2025 09:27:24 0.48, 61.38 0.26, 60.51 99.76 80
5 10/06/2025 09:06:02 0.51, 61.39 1.33, 65.03 415.12 80
6 10/07/2025 21:30:31 -0.45, 61.42 -0.10, 59.77 187.85 80
7 10/08/2025 21:09:08 -0.48, 61.44 -1.11, 64.30 325.58 80
8 10/10/2025 09:33:45 0.43, 61.46 -0.12, 59.00 279.37 80
9 10/11/2025 09:12:22 0.46, 61.47 0.89, 63.53 234.50 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/28/2025
SNOs_Map_GOES-15_NPP_20250929.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/28/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP