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: 7/12/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/13/2025 19:09:46 0.05, -89.43 0.95, -85.48 450.59 80
2 07/15/2025 07:28:53 -0.06, -89.30 0.29, -90.74 164.47 80
3 07/16/2025 07:12:49 -0.05, -89.22 -0.73, -86.20 344.14 80
4 07/17/2025 19:32:05 0.06, -89.13 -0.46, -91.50 270.30 80
5 07/18/2025 19:16:01 0.06, -89.05 0.55, -86.97 238.04 80
6 07/20/2025 07:35:08 -0.07, -88.91 0.67, -92.22 377.51 80
7 07/21/2025 07:19:04 -0.07, -88.83 -0.34, -87.69 130.97 80
8 07/22/2025 19:38:20 0.08, -88.74 -0.84, -92.99 483.07 80
9 07/23/2025 19:22:14 0.08, -88.67 0.11, -88.44 25.53 80
10 07/26/2025 07:22:37 -0.09, -88.46 0.08, -89.17 80.36 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/12/2025
SNOs_Map_GOES-17_NPP_20250713.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/12/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP