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: 9/7/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/08/2025 07:20:10 -0.22, -89.48 -0.25, -89.30 20.17 80
2 09/10/2025 19:23:20 0.22, -89.53 0.11, -90.07 62.11 80
3 09/11/2025 19:07:15 0.22, -89.53 1.11, -85.54 454.98 80
4 09/13/2025 07:29:01 -0.22, -89.49 0.09, -90.79 148.65 80
5 09/14/2025 07:07:37 -0.23, -89.49 -0.97, -86.27 368.06 80
6 09/15/2025 19:29:32 0.23, -89.53 -0.21, -91.56 231.52 80
7 09/16/2025 19:13:27 0.24, -89.54 0.79, -87.03 285.76 80
8 09/18/2025 07:35:13 -0.24, -89.51 0.41, -92.29 316.53 80
9 09/19/2025 07:13:48 -0.24, -89.52 -0.66, -87.76 201.02 80
10 09/20/2025 19:35:43 0.24, -89.57 -0.57, -93.05 397.33 80
11 09/21/2025 19:19:38 0.24, -89.58 0.50, -88.52 121.05 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/7/2025
SNOs_Map_GOES-17_NOAA-20_20250908.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/07/2025 in txt file.

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