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: 9/18/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/18/2025 07:11:11 -0.24, -89.47 -0.98, -86.27 364.87 80
2 09/19/2025 19:33:10 0.24, -89.51 -0.22, -91.58 235.23 80
3 09/20/2025 19:17:08 0.24, -89.52 0.81, -87.06 281.25 80
4 09/22/2025 07:38:57 -0.23, -89.49 0.42, -92.32 322.86 80
5 09/23/2025 07:17:34 -0.24, -89.50 -0.61, -87.80 193.52 80
6 09/24/2025 19:39:34 0.23, -89.54 -0.57, -93.11 406.10 80
7 09/25/2025 19:23:31 0.24, -89.55 0.46, -88.58 110.69 80
8 09/27/2025 07:45:22 -0.23, -89.53 0.72, -93.86 492.57 80
9 09/28/2025 07:23:58 -0.24, -89.54 -0.26, -89.32 23.92 80
10 09/30/2025 19:27:15 0.24, -89.59 0.13, -90.11 59.42 80
11 10/01/2025 19:11:12 0.25, -89.60 1.18, -85.59 457.52 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/18/2025
SNOs_Map_GOES-17_NPP_20250919.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/18/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP