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: 11/27/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/29/2025 07:36:04 0.04, -89.50 0.63, -92.24 311.97 80
2 11/30/2025 07:14:42 0.01, -89.50 -0.40, -87.72 203.05 80
3 12/01/2025 19:39:20 -0.06, -89.50 -0.86, -93.02 401.26 80
4 12/02/2025 19:17:58 -0.04, -89.51 0.18, -88.50 114.36 80
5 12/04/2025 07:42:27 0.10, -89.52 1.04, -93.77 484.12 80
6 12/05/2025 07:21:04 0.07, -89.52 0.00, -89.25 30.77 80
7 12/07/2025 19:27:00 -0.10, -89.51 -0.20, -90.03 58.55 80
8 12/08/2025 19:05:38 -0.06, -89.52 0.84, -85.51 457.37 80
9 12/10/2025 07:30:07 0.12, -89.55 0.38, -90.78 139.76 80
10 12/11/2025 07:08:45 0.08, -89.56 -0.67, -86.26 376.09 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/27/2025
SNOs_Map_GOES-17_NOAA-21_20251128.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/27/2025 in txt file.

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