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: 7/5/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/06/2025 09:29:28 0.28, 61.23 -0.23, 59.08 246.32 80
2 07/07/2025 09:13:24 0.27, 61.24 0.78, 63.61 270.17 80
3 07/08/2025 21:32:33 -0.31, 61.31 0.35, 58.34 338.44 80
4 07/09/2025 21:16:29 -0.29, 61.32 -0.65, 62.87 177.50 80
5 07/11/2025 09:35:46 0.33, 61.27 -0.47, 57.56 422.50 80
6 07/12/2025 09:19:40 0.31, 61.28 0.48, 62.11 93.48 80
7 07/14/2025 21:20:04 -0.33, 61.37 -0.30, 61.37 2.83 80
8 07/17/2025 09:23:17 0.34, 61.34 0.19, 60.60 84.87 80
9 07/18/2025 09:07:13 0.33, 61.36 1.20, 65.13 430.45 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/5/2025
SNOs_Map_GOES-15_NPP_20250706.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/05/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP