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: 10/25/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/26/2025 07:20:01 -0.18, -89.49 -0.27, -89.17 37.18 80
2 10/28/2025 19:25:58 0.17, -89.50 0.04, -89.94 51.25 80
3 10/29/2025 19:04:37 0.19, -89.50 1.10, -85.43 464.04 80
4 10/31/2025 07:29:08 -0.16, -89.49 0.11, -90.71 138.51 80
5 11/01/2025 07:07:46 -0.18, -89.49 -0.95, -86.19 376.52 80
6 11/02/2025 19:32:25 0.14, -89.51 -0.32, -91.49 226.18 80
7 11/03/2025 19:11:03 0.16, -89.51 0.74, -86.98 289.53 80
8 11/05/2025 07:35:33 -0.12, -89.51 0.51, -92.24 311.66 80
9 11/06/2025 07:14:12 -0.14, -89.51 -0.56, -87.73 203.44 80
10 11/07/2025 19:38:50 0.10, -89.52 -0.71, -93.02 400.02 80
11 11/08/2025 19:17:29 0.12, -89.52 0.36, -88.51 115.53 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/25/2025
SNOs_Map_GOES-17_NOAA-20_20251026.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/25/2025 in txt file.

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