Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/8/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 07/10/2025 21:17:42 -0.30, 61.32 -0.29, 61.21 11.64 80
2 07/13/2025 09:20:58 0.32, 61.28 0.11, 60.42 97.79 80
3 07/14/2025 09:04:56 0.31, 61.28 1.13, 64.94 417.32 80
4 07/15/2025 21:24:07 -0.34, 61.36 0.03, 59.66 193.12 80
5 07/16/2025 21:08:04 -0.32, 61.37 -0.93, 64.19 321.51 80
6 07/18/2025 09:27:24 0.36, 61.33 -0.21, 58.87 280.88 80
7 07/19/2025 09:11:22 0.35, 61.35 0.82, 63.39 233.43 80
8 07/20/2025 21:30:32 -0.38, 61.43 0.39, 58.12 377.89 80
9 07/21/2025 21:14:29 -0.37, 61.45 -0.63, 62.64 135.70 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/8/2025
SNOs_Map_GOES-15_NOAA-20_20250709.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 07/08/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20