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: 6/26/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/27/2025 08:06:46 -0.02, -97.14 0.69,-100.20 349.52 80
2 06/28/2025 07:50:40 -0.01, -96.61 -0.25, -95.65 109.10 80
3 06/30/2025 19:51:07 0.01, -95.28 -0.24, -96.35 122.07 80
4 07/01/2025 19:35:01 0.01, -94.75 0.65, -91.79 337.00 80
5 07/03/2025 07:54:07 -0.01, -93.92 0.67, -97.02 353.74 80
6 07/04/2025 07:38:00 -0.01, -93.39 -0.21, -92.46 105.42 80
7 07/06/2025 19:38:28 0.02, -92.07 -0.20, -93.17 125.10 80
8 07/07/2025 19:22:22 0.02, -91.54 0.69, -88.61 334.04 80
9 07/09/2025 07:41:27 -0.03, -90.71 0.69, -93.84 356.75 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 6/26/2025
SNOs_Map_GOES-17_NPP_20250626.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 06/26/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP