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: 9/12/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/13/2025 07:29:01 -0.22, -89.48 0.09, -90.79 150.17 80
2 09/14/2025 07:07:37 -0.23, -89.47 -0.97, -86.27 366.27 80
3 09/15/2025 19:29:32 0.23, -89.52 -0.22, -91.56 232.85 80
4 09/16/2025 19:13:27 0.24, -89.52 0.79, -87.03 284.16 80
5 09/18/2025 07:35:13 -0.24, -89.48 0.41, -92.28 319.35 80
6 09/19/2025 07:13:48 -0.24, -89.49 -0.65, -87.76 197.92 80
7 09/20/2025 19:35:44 0.24, -89.54 -0.53, -93.06 400.02 80
8 09/21/2025 19:19:38 0.24, -89.55 0.48, -88.52 118.06 80
9 09/23/2025 07:41:25 -0.23, -89.53 0.72, -93.77 483.53 80
10 09/24/2025 07:19:59 -0.24, -89.54 -0.29, -89.24 34.35 80
11 09/26/2025 19:23:09 0.24, -89.61 0.14, -90.00 45.25 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/12/2025
SNOs_Map_GOES-17_NOAA-20_20250913.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/12/2025 in txt file.

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