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: 7/13/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/15/2025 07:28:54 -0.06, -89.50 0.24, -90.75 142.97 80
2 07/16/2025 07:12:50 -0.05, -89.50 -0.77, -86.21 374.56 80
3 07/17/2025 19:32:07 0.06, -89.54 -0.36, -91.52 225.18 80
4 07/18/2025 19:16:03 0.06, -89.55 0.66, -86.99 292.28 80
5 07/20/2025 07:35:10 -0.07, -89.53 0.57, -92.25 310.18 80
6 07/21/2025 07:19:05 -0.07, -89.54 -0.45, -87.71 207.25 80
7 07/22/2025 19:38:23 0.08, -89.58 -0.68, -93.02 392.56 80
8 07/23/2025 19:22:18 0.08, -89.59 0.33, -88.49 125.08 80
9 07/25/2025 07:41:27 -0.09, -89.57 0.82, -93.76 476.60 80
10 07/26/2025 07:25:21 -0.09, -89.59 -0.14, -89.22 41.76 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/13/2025
SNOs_Map_GOES-17_NPP_20250714.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/13/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP