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: 11/22/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/23/2025 19:39:22 -0.01, -89.50 -0.79, -93.09 408.80 80
2 11/24/2025 19:17:59 0.02, -89.50 0.24, -88.57 106.72 80
3 11/26/2025 07:42:28 0.03, -89.51 0.99, -93.83 492.53 80
4 11/27/2025 07:21:06 -0.00, -89.51 -0.04, -89.31 22.65 80
5 11/29/2025 19:27:02 -0.02, -89.52 -0.17, -90.09 64.99 80
6 11/30/2025 19:05:39 0.01, -89.53 0.87, -85.56 451.12 80
7 12/02/2025 07:30:09 0.05, -89.54 0.35, -90.83 146.99 80
8 12/03/2025 07:08:46 0.02, -89.54 -0.69, -86.31 368.48 80
9 12/04/2025 19:33:24 -0.08, -89.54 -0.55, -91.61 235.47 80
10 12/05/2025 19:12:02 -0.05, -89.55 0.49, -87.09 280.51 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/22/2025
SNOs_Map_GOES-17_NOAA-20_20251123.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 11/22/2025 in txt file.

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