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: 8/18/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 08/19/2025 09:27:09 0.52, 61.63 -0.10, 58.97 303.49 80
2 08/20/2025 09:11:04 0.52, 61.64 0.94, 63.50 211.46 80
3 08/21/2025 21:32:50 -0.53, 61.74 0.28, 58.24 399.14 80
4 08/22/2025 21:11:26 -0.53, 61.76 -0.76, 62.77 115.37 80
5 08/24/2025 09:33:22 0.54, 61.72 -0.42, 57.47 484.60 80
6 08/25/2025 09:17:18 0.54, 61.73 0.62, 62.00 30.64 80
7 08/27/2025 21:20:19 -0.54, 61.84 -0.38, 61.28 64.65 80
8 08/28/2025 20:58:54 -0.54, 61.87 -1.42, 65.81 449.43 80
9 08/30/2025 09:20:50 0.54, 61.84 0.25, 60.51 151.79 80
10 08/31/2025 09:04:45 0.55, 61.86 1.24, 65.05 362.43 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/18/2025
SNOs_Map_GOES-15_NOAA-20_20250819.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 08/18/2025 in txt file.

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