Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/25/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/26/2025 19:11:09 0.19, -89.51 0.79, -86.94 292.78 80
2 10/28/2025 07:35:32 -0.16, -89.49 0.47, -92.18 307.53 80
3 10/29/2025 07:14:07 -0.18, -89.49 -0.60, -87.65 208.92 80
4 10/30/2025 19:38:40 0.15, -89.50 -0.63, -92.94 391.85 80
5 10/31/2025 19:17:15 0.17, -89.51 0.44, -88.41 125.41 80
6 11/02/2025 07:41:38 -0.13, -89.50 0.81, -93.65 473.12 80
7 11/03/2025 07:20:12 -0.16, -89.50 -0.27, -89.12 43.93 80
8 11/05/2025 19:25:59 0.13, -89.52 0.06, -89.87 39.50 80
9 11/06/2025 19:04:33 0.15, -89.52 1.08, -85.33 477.85 80
10 11/08/2025 07:28:56 -0.11, -89.52 0.15, -90.57 120.33 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/25/2025
SNOs_Map_GOES-17_NOAA-21_20251026.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 10/25/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21