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: 9/23/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/24/2025 07:19:59 -0.24, -89.50 -0.30, -89.24 29.94 80
2 09/26/2025 19:23:09 0.24, -89.55 0.16, -90.00 50.94 80
3 09/27/2025 19:07:03 0.24, -89.56 1.18, -85.47 466.73 80
4 09/29/2025 07:28:50 -0.24, -89.53 0.01, -90.72 135.55 80
5 09/30/2025 07:07:24 -0.25, -89.53 -1.01, -86.19 381.74 80
6 10/01/2025 19:31:58 0.24, -89.58 -0.18, -91.48 216.47 80
7 10/02/2025 19:10:33 0.25, -89.59 0.85, -86.95 301.47 80
8 10/04/2025 07:34:59 -0.24, -89.57 0.33, -92.21 299.38 80
9 10/05/2025 07:13:34 -0.25, -89.58 -0.70, -87.67 218.48 80
10 10/06/2025 19:38:07 0.23, -89.63 -0.54, -92.95 379.29 80
11 10/07/2025 19:16:42 0.24, -89.64 0.50, -88.42 139.14 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/23/2025
SNOs_Map_GOES-17_NOAA-20_20250924.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/23/2025 in txt file.

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