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: 11/2/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/03/2025 07:20:12 -0.16, -89.50 -0.25, -89.11 43.90 80
2 11/05/2025 19:25:59 0.13, -89.53 0.03, -89.86 38.46 80
3 11/06/2025 19:04:33 0.15, -89.53 1.11, -85.33 479.20 80
4 11/08/2025 07:28:57 -0.11, -89.53 0.12, -90.57 119.22 80
5 11/09/2025 07:07:30 -0.14, -89.53 -0.90, -86.03 397.77 80
6 11/10/2025 19:32:04 0.09, -89.55 -0.32, -91.32 202.25 80
7 11/11/2025 19:10:38 0.12, -89.56 0.76, -86.79 315.78 80
8 11/13/2025 07:35:01 -0.08, -89.57 0.46, -92.03 280.50 80
9 11/14/2025 07:13:35 -0.11, -89.58 -0.57, -87.50 237.44 80
10 11/15/2025 19:38:08 0.06, -89.61 -0.64, -92.78 361.77 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/2/2025
SNOs_Map_GOES-17_NOAA-21_20251103.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/02/2025 in txt file.

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