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: 7/23/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/25/2025 07:41:26 -0.10, -89.47 0.86, -93.75 487.66 80
2 07/26/2025 07:25:21 -0.09, -89.47 -0.16, -89.22 29.23 80
3 07/28/2025 19:25:53 0.10, -89.52 -0.01, -89.98 52.75 80
4 07/29/2025 19:09:49 0.09, -89.53 1.01, -85.45 464.66 80
5 07/31/2025 07:28:56 -0.10, -89.50 0.18, -90.71 138.64 80
6 08/01/2025 07:12:51 -0.10, -89.50 -0.84, -86.18 378.92 80
7 08/02/2025 19:32:09 0.11, -89.55 -0.29, -91.49 219.79 80
8 08/03/2025 19:16:03 0.11, -89.56 0.67, -86.94 297.75 80
9 08/05/2025 07:35:12 -0.13, -89.53 0.45, -92.22 305.54 80
10 08/06/2025 07:19:06 -0.12, -89.54 -0.52, -87.67 212.06 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/23/2025
SNOs_Map_GOES-17_NPP_20250724.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/23/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP