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: 7/30/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/31/2025 07:28:56 -0.10, -89.48 0.17, -90.71 140.29 80
2 08/01/2025 07:12:52 -0.10, -89.48 -0.86, -86.18 376.53 80
3 08/02/2025 19:32:08 0.11, -89.51 -0.34, -91.48 223.79 80
4 08/03/2025 19:16:03 0.11, -89.51 0.69, -86.94 293.02 80
5 08/05/2025 07:35:11 -0.13, -89.48 0.49, -92.21 310.75 80
6 08/06/2025 07:19:06 -0.13, -89.48 -0.54, -87.68 206.11 80
7 08/07/2025 19:38:23 0.14, -89.52 -0.65, -92.97 394.06 80
8 08/08/2025 19:22:18 0.14, -89.52 0.39, -88.44 123.08 80
9 08/10/2025 07:41:25 -0.15, -89.49 0.78, -93.71 479.84 80
10 08/11/2025 07:25:20 -0.14, -89.50 -0.20, -89.16 37.68 80
11 08/13/2025 19:25:52 0.15, -89.55 0.05, -89.93 44.07 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/30/2025
SNOs_Map_GOES-17_NPP_20250731.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/30/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP