Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/29/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/30/2025 19:51:07 0.02, -95.28 -0.24, -96.35 122.43 80
2 07/01/2025 19:35:01 0.02, -94.75 0.71, -91.80 336.56 80
3 07/03/2025 07:54:07 -0.03, -93.92 0.67, -97.02 354.29 80
4 07/04/2025 07:38:00 -0.02, -93.39 -0.22, -92.46 104.77 80
5 07/06/2025 19:38:28 0.03, -92.07 -0.20, -93.17 126.02 80
6 07/07/2025 19:22:22 0.03, -91.53 0.69, -88.61 333.00 80
7 07/09/2025 07:41:27 -0.04, -90.70 0.69, -93.84 357.87 80
8 07/10/2025 07:25:22 -0.04, -90.17 -0.26, -89.29 101.27 80
9 07/12/2025 19:25:48 0.04, -88.86 -0.21, -89.99 129.07 80
10 07/13/2025 19:09:42 0.04, -88.33 0.69, -85.43 330.44 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 6/29/2025
SNOs_Map_GOES-17_NPP_20250630.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 06/29/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP