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: 7/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/18/2025 19:16:02 0.06, -89.52 0.61, -86.98 289.50 80
2 07/20/2025 07:35:10 -0.07, -89.49 0.55, -92.25 314.78 80
3 07/21/2025 07:19:06 -0.07, -89.49 -0.46, -87.72 201.81 80
4 07/22/2025 19:38:22 0.08, -89.52 -0.73, -93.01 398.60 80
5 07/23/2025 19:22:17 0.08, -89.52 0.29, -88.48 118.25 80
6 07/25/2025 07:41:26 -0.09, -89.49 0.86, -93.75 485.29 80
7 07/26/2025 07:25:21 -0.09, -89.50 -0.16, -89.22 32.13 80
8 07/28/2025 19:25:53 0.09, -89.56 -0.01, -89.98 48.83 80
9 07/29/2025 19:09:49 0.09, -89.57 1.01, -85.45 469.17 80
10 07/31/2025 07:28:57 -0.10, -89.55 0.13, -90.72 132.92 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/17/2025
SNOs_Map_GOES-17_NPP_20250718.jpg

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

Historical Predications of SNOs between GOES-17 and NPP