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: 11/30/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 12/01/2025 19:39:20 -0.06, -89.51 -0.86, -93.02 400.73 80
2 12/02/2025 19:17:58 -0.04, -89.51 0.18, -88.50 115.08 80
3 12/04/2025 07:42:27 0.10, -89.53 1.04, -93.77 483.23 80
4 12/05/2025 07:21:04 0.07, -89.53 0.01, -89.25 31.81 80
5 12/07/2025 19:27:00 -0.10, -89.53 -0.21, -90.03 56.99 80
6 12/08/2025 19:05:38 -0.06, -89.54 0.83, -85.51 459.11 80
7 12/10/2025 07:30:07 0.12, -89.57 0.39, -90.77 137.83 80
8 12/11/2025 07:08:45 0.08, -89.57 -0.65, -86.25 378.15 80
9 12/12/2025 19:33:23 -0.14, -89.58 -0.57, -91.56 225.16 80
10 12/13/2025 19:12:00 -0.11, -89.60 0.48, -87.04 291.87 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/30/2025
SNOs_Map_GOES-17_NOAA-21_20251201.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/30/2025 in txt file.

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