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: 6/20/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 06/21/2025 09:32:39 0.18, 61.26 -0.61, 57.58 418.38 80
2 06/22/2025 09:16:36 0.17, 61.25 0.39, 62.11 97.83 80
3 06/24/2025 21:19:45 -0.20, 61.31 -0.21, 61.35 4.57 80
4 06/27/2025 09:20:23 0.21, 61.26 0.08, 60.55 80.17 80
5 06/28/2025 09:04:20 0.20, 61.26 1.03, 65.09 435.71 80
6 06/29/2025 21:23:32 -0.23, 61.31 0.10, 59.79 173.21 80
7 06/30/2025 21:07:29 -0.21, 61.32 -0.91, 64.32 342.64 80
8 07/02/2025 09:26:49 0.25, 61.26 -0.29, 59.00 257.89 80
9 07/03/2025 09:10:46 0.23, 61.26 0.72, 63.53 257.86 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 6/20/2025
SNOs_Map_GOES-15_NOAA-20_20250621.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 06/20/2025 in txt file.

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