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: 11/25/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/26/2025 19:32:57 -0.02, -89.49 -0.44, -91.50 228.00 80
2 11/27/2025 19:11:35 0.02, -89.50 0.59, -86.98 287.25 80
3 11/29/2025 07:36:04 0.04, -89.50 0.64, -92.24 312.29 80
4 11/30/2025 07:14:42 0.01, -89.50 -0.39, -87.72 202.60 80
5 12/01/2025 19:39:20 -0.06, -89.50 -0.87, -93.02 401.97 80
6 12/02/2025 19:17:58 -0.04, -89.50 0.17, -88.50 113.52 80
7 12/04/2025 07:42:27 0.09, -89.51 1.06, -93.76 485.16 80
8 12/05/2025 07:21:04 0.07, -89.51 0.02, -89.24 29.66 80
9 12/07/2025 19:27:00 -0.10, -89.50 -0.23, -90.03 60.12 80
10 12/08/2025 19:05:38 -0.06, -89.51 0.82, -85.51 455.65 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/25/2025
SNOs_Map_GOES-17_NOAA-21_20251126.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/25/2025 in txt file.

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