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: 7/13/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 07/13/2025 19:32:29 0.05, -89.51 0.00, -91.77 250.98 80
2 07/14/2025 19:13:38 0.05, -89.52 0.60, -87.15 271.00 80
3 07/16/2025 07:32:45 -0.06, -89.50 0.62, -92.40 331.54 80
4 07/17/2025 07:16:40 -0.05, -89.51 -0.39, -87.87 185.85 80
5 07/18/2025 19:35:58 0.06, -89.55 -0.76, -93.18 414.44 80
6 07/19/2025 19:19:53 0.06, -89.56 0.25, -88.65 102.76 80
7 07/21/2025 07:39:01 -0.07, -89.54 0.90, -93.93 499.98 80
8 07/22/2025 07:22:57 -0.07, -89.54 -0.11, -89.39 17.26 80
9 07/24/2025 19:23:30 0.08, -89.60 -0.02, -90.17 65.19 80
10 07/25/2025 19:07:25 0.08, -89.61 1.00, -85.64 452.78 80
11 07/27/2025 07:26:33 -0.09, -89.60 0.21, -90.90 148.48 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/13/2025
SNOs_Map_GOES-17_NOAA-20_20250714.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 07/13/2025 in txt file.

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