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: 9/18/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/18/2025 07:35:13 -0.24, -89.47 0.38, -92.29 320.71 80
2 09/19/2025 07:13:48 -0.24, -89.47 -0.63, -87.75 196.12 80
3 09/20/2025 19:35:43 0.24, -89.52 -0.55, -93.05 402.18 80
4 09/21/2025 19:19:38 0.24, -89.53 0.46, -88.51 115.45 80
5 09/23/2025 07:41:24 -0.23, -89.50 0.74, -93.77 487.04 80
6 09/24/2025 07:19:59 -0.24, -89.50 -0.27, -89.23 30.51 80
7 09/26/2025 19:23:08 0.24, -89.56 0.12, -90.00 50.05 80
8 09/27/2025 19:07:04 0.24, -89.57 1.19, -85.47 467.75 80
9 09/29/2025 07:28:50 -0.24, -89.55 0.01, -90.73 134.41 80
10 09/30/2025 07:07:25 -0.25, -89.55 -1.01, -86.19 382.98 80
11 10/01/2025 19:31:59 0.24, -89.60 -0.20, -91.48 214.99 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/18/2025
SNOs_Map_GOES-17_NOAA-20_20250919.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/18/2025 in txt file.

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