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: 10/26/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/28/2025 19:25:58 0.17, -89.50 0.05, -89.95 51.07 80
2 10/29/2025 19:04:37 0.19, -89.51 1.10, -85.43 464.19 80
3 10/31/2025 07:29:08 -0.16, -89.49 0.10, -90.71 138.35 80
4 11/01/2025 07:07:45 -0.18, -89.49 -0.90, -86.18 376.71 80
5 11/02/2025 19:32:25 0.14, -89.51 -0.31, -91.49 225.90 80
6 11/03/2025 19:11:03 0.16, -89.52 0.75, -86.98 289.84 80
7 11/05/2025 07:35:34 -0.12, -89.51 0.50, -92.24 311.33 80
8 11/06/2025 07:14:12 -0.14, -89.51 -0.56, -87.73 203.80 80
9 11/07/2025 19:38:50 0.10, -89.52 -0.70, -93.03 399.60 80
10 11/08/2025 19:17:29 0.12, -89.53 0.36, -88.51 115.99 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/26/2025
SNOs_Map_GOES-17_NOAA-20_20251027.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/26/2025 in txt file.

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