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: 10/23/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/25/2025 07:41:22 -0.16, -89.49 0.80, -93.68 477.43 80
2 10/26/2025 07:20:01 -0.18, -89.49 -0.25, -89.16 37.02 80
3 10/28/2025 19:25:59 0.17, -89.50 0.08, -89.95 51.39 80
4 10/29/2025 19:04:37 0.19, -89.50 1.13, -85.44 463.78 80
5 10/31/2025 07:29:07 -0.16, -89.49 0.13, -90.70 138.83 80
6 11/01/2025 07:07:46 -0.18, -89.49 -0.93, -86.19 376.17 80
7 11/02/2025 19:32:25 0.14, -89.51 -0.28, -91.50 226.58 80
8 11/03/2025 19:11:03 0.17, -89.51 0.72, -86.97 289.10 80
9 11/05/2025 07:35:34 -0.12, -89.51 0.47, -92.25 312.15 80
10 11/06/2025 07:14:12 -0.14, -89.51 -0.53, -87.72 202.92 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_GOES-17_NOAA-20_20251024.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/23/2025 in txt file.

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