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: 9/8/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/08/2025 19:14:39 0.22, -89.52 0.73, -87.18 266.90 80
2 09/10/2025 07:36:27 -0.22, -89.49 0.46, -92.44 337.33 80
3 09/11/2025 07:15:02 -0.22, -89.49 -0.59, -87.92 179.39 80
4 09/12/2025 19:36:56 0.22, -89.53 -0.63, -93.21 420.15 80
5 09/13/2025 19:20:52 0.23, -89.53 0.43, -88.68 96.71 80
6 09/16/2025 07:21:14 -0.23, -89.50 -0.24, -89.41 9.66 80
7 09/18/2025 19:24:24 0.24, -89.55 0.09, -90.18 72.14 80
8 09/19/2025 19:08:18 0.24, -89.56 1.09, -85.65 445.68 80
9 09/21/2025 07:30:06 -0.24, -89.55 0.08, -90.91 156.10 80
10 09/22/2025 07:08:41 -0.24, -89.56 -0.98, -86.39 361.82 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/8/2025
SNOs_Map_GOES-17_NOAA-21_20250909.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 09/08/2025 in txt file.

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