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: 9/29/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/30/2025 09:18:23 0.51, 61.34 0.64, 62.03 77.87 80
2 10/02/2025 21:24:10 -0.50, 61.38 -0.47, 61.28 10.99 80
3 10/05/2025 09:27:25 0.48, 61.38 0.27, 60.51 99.28 80
4 10/06/2025 09:06:02 0.51, 61.39 1.33, 65.03 415.63 80
5 10/07/2025 21:30:30 -0.45, 61.42 -0.06, 59.78 187.39 80
6 10/08/2025 21:09:08 -0.48, 61.44 -1.12, 64.30 326.09 80
7 10/10/2025 09:33:45 0.43, 61.45 -0.11, 59.00 278.70 80
8 10/11/2025 09:12:22 0.46, 61.47 0.90, 63.53 235.20 80
9 10/12/2025 21:36:51 -0.40, 61.50 0.31, 58.27 367.64 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/29/2025
SNOs_Map_GOES-15_NPP_20250930.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/29/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP