Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/25/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/26/2025 19:23:08 0.24, -89.52 0.13, -89.99 54.38 80
2 09/27/2025 19:07:03 0.24, -89.52 1.15, -85.46 462.36 80
3 09/29/2025 07:28:49 -0.23, -89.48 0.03, -90.72 140.67 80
4 09/30/2025 07:07:24 -0.25, -89.48 -0.99, -86.18 375.77 80
5 10/01/2025 19:31:58 0.24, -89.51 -0.21, -91.47 224.23 80
6 10/02/2025 19:10:33 0.25, -89.51 0.82, -86.94 292.85 80
7 10/04/2025 07:34:59 -0.23, -89.49 0.36, -92.20 308.80 80
8 10/05/2025 07:13:33 -0.24, -89.49 -0.66, -87.66 208.21 80
9 10/06/2025 19:38:08 0.23, -89.52 -0.51, -92.96 391.31 80
10 10/07/2025 19:16:41 0.24, -89.52 0.46, -88.41 126.28 80
11 10/09/2025 07:41:08 -0.22, -89.51 0.71, -93.67 474.35 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/25/2025
SNOs_Map_GOES-17_NOAA-20_20250926.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/25/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20