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: 8/29/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 08/30/2025 19:29:41 0.20, -89.54 -0.26, -91.62 237.30 80
2 08/31/2025 19:13:35 0.20, -89.54 0.73, -87.08 280.01 80
3 09/02/2025 07:35:23 -0.21, -89.51 0.42, -92.35 323.21 80
4 09/03/2025 07:13:57 -0.21, -89.52 -0.57, -87.81 194.00 80
5 09/04/2025 19:35:53 0.22, -89.56 -0.59, -93.12 405.11 80
6 09/05/2025 19:19:49 0.22, -89.57 0.46, -88.59 112.62 80
7 09/07/2025 07:41:35 -0.22, -89.55 0.75, -93.85 489.39 80
8 09/08/2025 07:20:11 -0.22, -89.56 -0.31, -89.32 28.58 80
9 09/10/2025 19:23:21 0.22, -89.62 0.10, -90.08 52.02 80
10 09/11/2025 19:07:16 0.22, -89.64 1.16, -85.55 466.05 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/29/2025
SNOs_Map_GOES-17_NOAA-20_20250830.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 08/29/2025 in txt file.

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