Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/7/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/09/2025 07:41:07 -0.21, -89.51 0.72, -93.66 473.17 80
2 10/10/2025 07:19:41 -0.23, -89.52 -0.32, -89.13 44.07 80
3 10/12/2025 19:25:29 0.22, -89.56 0.14, -89.88 36.84 80
4 10/13/2025 19:04:04 0.24, -89.57 1.19, -85.35 481.02 80
5 10/15/2025 07:28:29 -0.22, -89.56 0.03, -90.60 119.23 80
6 10/16/2025 07:07:04 -0.23, -89.56 -1.02, -86.07 398.66 80
7 10/17/2025 19:31:37 0.21, -89.61 -0.19, -91.35 198.59 80
8 10/18/2025 19:10:11 0.23, -89.63 0.87, -86.82 320.32 80
9 10/20/2025 07:34:37 -0.20, -89.64 0.34, -92.07 277.65 80
10 10/21/2025 07:13:11 -0.21, -89.65 -0.71, -87.54 240.95 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/7/2025
SNOs_Map_GOES-17_NOAA-20_20251008.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/07/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20