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: 8/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 08/23/2025 07:22:56 -0.18, -89.46 -0.23, -89.35 12.97 80
2 08/25/2025 19:23:28 0.19, -89.52 0.08, -90.13 68.54 80
3 08/26/2025 19:07:22 0.18, -89.53 1.06, -85.59 449.04 80
4 08/28/2025 07:29:10 -0.19, -89.49 0.09, -90.86 154.69 80
5 08/29/2025 07:07:44 -0.19, -89.50 -0.89, -86.32 362.72 80
6 08/30/2025 19:29:40 0.20, -89.56 -0.28, -91.62 235.62 80
7 08/31/2025 19:13:36 0.20, -89.56 0.76, -87.09 281.93 80
8 09/02/2025 07:35:23 -0.21, -89.53 0.40, -92.36 321.50 80
9 09/03/2025 07:13:58 -0.21, -89.54 -0.59, -87.82 195.93 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/20/2025
SNOs_Map_GOES-17_NOAA-20_20250822.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 08/20/2025 in txt file.

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