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: 9/13/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/14/2025 07:07:36 -0.23, -89.47 -0.95, -86.26 366.17 80
2 09/15/2025 19:29:32 0.23, -89.52 -0.23, -91.56 232.84 80
3 09/16/2025 19:13:26 0.24, -89.52 0.77, -87.02 284.19 80
4 09/18/2025 07:35:14 -0.24, -89.48 0.37, -92.29 319.45 80
5 09/19/2025 07:13:48 -0.24, -89.49 -0.63, -87.75 197.80 80
6 09/20/2025 19:35:43 0.24, -89.54 -0.54, -93.05 400.01 80
7 09/21/2025 19:19:38 0.24, -89.55 0.47, -88.51 118.04 80
8 09/23/2025 07:41:24 -0.23, -89.53 0.74, -93.77 483.66 80
9 09/24/2025 07:20:00 -0.24, -89.54 -0.33, -89.25 34.29 80
10 09/26/2025 19:25:49 0.24, -89.61 0.12, -90.00 45.34 80
11 09/27/2025 19:07:04 0.24, -89.62 1.20, -85.48 472.92 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/13/2025
SNOs_Map_GOES-17_NOAA-20_20250914.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/13/2025 in txt file.

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