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: 7/7/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/08/2025 07:33:51 -0.04, -91.24 0.27, -92.49 143.78 80
2 07/09/2025 07:17:45 -0.04, -90.71 -0.67, -87.95 314.91 80
3 07/10/2025 19:37:00 0.05, -89.92 -0.70, -93.22 376.21 80
4 07/11/2025 19:20:54 0.05, -89.39 0.24, -88.67 82.75 80
5 07/14/2025 07:21:12 -0.05, -88.04 0.25, -89.34 148.49 80
6 07/15/2025 07:05:06 -0.05, -87.51 -0.64, -84.78 310.82 80
7 07/16/2025 19:24:21 0.06, -86.73 -0.67, -90.06 379.43 80
8 07/17/2025 19:08:14 0.05, -86.20 0.21, -85.50 80.06 80
9 07/20/2025 07:08:33 -0.06, -84.86 0.22, -86.18 150.37 80
10 07/21/2025 06:52:27 -0.06, -84.34 -0.67, -81.62 308.97 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/7/2025
SNOs_Map_GOES-17_NOAA-21_20250708.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 07/07/2025 in txt file.

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