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: 9/27/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/27/2025 19:07:03 0.24, -89.52 1.16, -85.46 462.44 80
2 09/29/2025 07:28:49 -0.23, -89.48 0.03, -90.72 140.56 80
3 09/30/2025 07:07:24 -0.24, -89.48 -0.99, -86.18 375.90 80
4 10/01/2025 19:31:58 0.24, -89.51 -0.21, -91.47 224.08 80
5 10/02/2025 19:10:33 0.25, -89.51 0.82, -86.94 293.03 80
6 10/04/2025 07:34:59 -0.23, -89.49 0.36, -92.20 308.58 80
7 10/05/2025 07:13:34 -0.24, -89.49 -0.67, -87.67 208.46 80
8 10/06/2025 19:38:07 0.23, -89.52 -0.57, -92.95 391.04 80
9 10/07/2025 19:16:41 0.24, -89.53 0.47, -88.41 126.56 80
10 10/09/2025 07:41:08 -0.22, -89.51 0.70, -93.67 474.00 80
11 10/10/2025 07:19:42 -0.23, -89.51 -0.34, -89.14 43.08 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/27/2025
SNOs_Map_GOES-17_NOAA-20_20250928.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/27/2025 in txt file.

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