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: 9/12/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/15/2025 09:20:43 0.55, 61.34 0.36, 60.55 89.98 80
2 09/16/2025 09:04:39 0.57, 61.34 1.43, 65.08 426.83 80
3 09/17/2025 21:26:25 -0.55, 61.38 -0.22, 59.82 177.64 80
4 09/18/2025 21:04:59 -0.56, 61.39 -1.23, 64.36 338.43 80
5 09/20/2025 09:26:55 0.54, 61.34 0.05, 59.06 259.76 80
6 09/21/2025 09:10:49 0.55, 61.34 1.06, 63.60 257.24 80
7 09/22/2025 21:32:35 -0.52, 61.38 0.15, 58.34 345.66 80
8 09/23/2025 21:11:10 -0.54, 61.38 -0.86, 62.88 170.15 80
9 09/25/2025 09:35:44 0.50, 61.36 -0.36, 57.59 429.71 80
10 09/26/2025 09:14:20 0.53, 61.36 0.71, 62.11 86.61 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/12/2025
SNOs_Map_GOES-15_NOAA-20_20250913.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/12/2025 in txt file.

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