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: 9/22/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/22/2025 21:32:35 -0.52, 61.36 0.14, 58.34 343.43 80
2 09/23/2025 21:11:10 -0.54, 61.36 -0.88, 62.88 172.63 80
3 09/25/2025 09:35:44 0.51, 61.33 -0.35, 57.59 426.35 80
4 09/26/2025 09:14:20 0.53, 61.33 0.73, 62.12 90.23 80
5 09/28/2025 21:17:21 -0.52, 61.38 -0.55, 61.39 4.12 80
6 10/01/2025 09:23:09 0.50, 61.37 0.37, 60.64 82.93 80
7 10/02/2025 09:01:44 0.53, 61.38 1.39, 65.17 432.82 80
8 10/03/2025 21:26:09 -0.49, 61.42 -0.14, 59.93 170.04 80
9 10/04/2025 21:04:44 -0.52, 61.43 -1.17, 64.46 344.59 80
10 10/06/2025 09:29:18 0.47, 61.44 -0.02, 59.17 257.61 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/22/2025
SNOs_Map_GOES-15_NOAA-20_20250923.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/22/2025 in txt file.

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