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: 10/7/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/08/2025 07:39:22 -0.22, -89.51 0.40, -92.36 324.83 80
2 10/09/2025 07:17:59 -0.23, -89.51 -0.61, -87.83 191.48 80
3 10/10/2025 19:42:36 0.21, -89.55 -0.62, -93.12 408.48 80
4 10/11/2025 19:21:13 0.22, -89.55 0.45, -88.61 108.26 80
5 10/13/2025 07:45:43 -0.20, -89.54 0.76, -93.87 493.67 80
6 10/14/2025 07:24:19 -0.22, -89.54 -0.26, -89.34 22.79 80
7 10/16/2025 19:30:14 0.21, -89.60 0.13, -90.12 59.43 80
8 10/17/2025 19:08:51 0.23, -89.61 1.15, -85.60 458.40 80
9 10/19/2025 07:33:20 -0.20, -89.62 0.06, -90.86 141.35 80
10 10/20/2025 07:11:56 -0.22, -89.63 -0.96, -86.33 376.19 80
11 10/21/2025 19:36:34 0.19, -89.68 -0.23, -91.63 222.20 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/7/2025
SNOs_Map_GOES-17_NPP_20251008.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/07/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP