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: 11/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/21/2025 07:36:05 -0.02, -89.50 0.63, -92.30 319.94 80
2 11/22/2025 07:14:42 -0.04, -89.50 -0.40, -87.78 194.89 80
3 11/23/2025 19:39:22 -0.01, -89.50 -0.79, -93.09 409.00 80
4 11/24/2025 19:17:59 0.02, -89.50 0.24, -88.57 106.48 80
5 11/26/2025 07:42:28 0.03, -89.51 0.99, -93.83 492.76 80
6 11/27/2025 07:21:06 -0.00, -89.51 -0.04, -89.31 22.39 80
7 11/29/2025 19:27:02 -0.02, -89.52 -0.17, -90.09 65.43 80
8 11/30/2025 19:05:39 0.01, -89.52 0.87, -85.57 450.64 80
9 12/02/2025 07:30:09 0.05, -89.54 0.35, -90.83 147.46 80
10 12/03/2025 07:08:46 0.02, -89.54 -0.69, -86.31 367.98 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/20/2025
SNOs_Map_GOES-17_NOAA-20_20251121.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 11/20/2025 in txt file.

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