Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/17/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/18/2025 21:05:00 -0.57, 61.38 -1.26, 64.35 339.21 80
2 09/20/2025 09:29:34 0.54, 61.33 0.02, 59.07 258.26 80
3 09/21/2025 09:10:50 0.55, 61.33 1.09, 63.59 258.87 80
4 09/22/2025 21:32:35 -0.52, 61.37 0.17, 58.35 344.41 80
5 09/23/2025 21:11:10 -0.54, 61.37 -0.90, 62.87 171.53 80
6 09/25/2025 09:35:45 0.51, 61.34 -0.33, 57.59 427.63 80
7 09/26/2025 09:16:59 0.53, 61.34 0.69, 62.12 88.82 80
8 09/28/2025 21:20:00 -0.51, 61.39 -0.50, 61.40 2.07 80
9 10/01/2025 09:23:09 0.50, 61.39 0.31, 60.65 85.07 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/17/2025
SNOs_Map_GOES-15_NOAA-20_20250918.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/17/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20