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: 6/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/21/2025 08:19:25 -0.01,-100.40 0.69,-103.39 340.54 80
2 06/22/2025 08:03:19 -0.01, -99.87 -0.25, -98.84 117.61 80
3 06/24/2025 20:03:46 0.01, -98.52 -0.24, -99.53 115.89 80
4 06/25/2025 19:47:40 0.01, -97.98 0.70, -94.98 342.18 80
5 06/27/2025 08:06:46 -0.01, -97.14 0.69,-100.20 349.41 80
6 06/28/2025 07:50:40 -0.01, -96.61 -0.25, -95.66 109.10 80
7 06/30/2025 19:51:07 0.01, -95.28 -0.23, -96.35 122.25 80
8 07/01/2025 19:35:01 0.00, -94.75 0.65, -91.79 336.87 80
9 07/03/2025 07:54:07 -0.01, -93.92 0.67, -97.03 353.40 80
10 07/04/2025 07:38:00 -0.01, -93.39 -0.21, -92.47 105.73 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 6/20/2025
SNOs_Map_GOES-17_NPP_20250621.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 06/20/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP