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: 9/15/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/15/2025 19:29:32 0.23, -89.52 -0.24, -91.56 232.75 80
2 09/16/2025 19:13:26 0.24, -89.52 0.77, -87.02 284.21 80
3 09/18/2025 07:35:14 -0.24, -89.48 0.37, -92.29 319.73 80
4 09/19/2025 07:13:48 -0.24, -89.48 -0.63, -87.75 197.46 80
5 09/20/2025 19:35:43 0.24, -89.54 -0.54, -93.05 400.22 80
6 09/21/2025 19:19:38 0.24, -89.55 0.47, -88.51 117.78 80
7 09/23/2025 07:41:24 -0.23, -89.53 0.73, -93.77 484.22 80
8 09/24/2025 07:20:00 -0.24, -89.53 -0.33, -89.25 33.69 80
9 09/26/2025 19:25:49 0.24, -89.60 0.13, -90.00 45.89 80
10 09/27/2025 19:07:04 0.24, -89.61 1.20, -85.47 472.29 80
11 09/29/2025 07:28:50 -0.24, -89.59 0.01, -90.73 129.37 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/15/2025
SNOs_Map_GOES-17_NOAA-20_20250916.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/15/2025 in txt file.

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