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: 10/11/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/12/2025 19:22:49 0.22, -89.51 0.16, -89.88 42.03 80
2 10/13/2025 19:04:03 0.24, -89.51 1.15, -85.34 474.98 80
3 10/15/2025 07:28:29 -0.22, -89.48 0.01, -90.60 127.18 80
4 10/16/2025 07:07:03 -0.23, -89.48 -0.98, -86.06 389.81 80
5 10/17/2025 19:31:37 0.21, -89.52 -0.18, -91.35 208.40 80
6 10/18/2025 19:10:11 0.23, -89.53 0.82, -86.81 309.60 80
7 10/20/2025 07:34:36 -0.20, -89.52 0.39, -92.06 290.24 80
8 10/21/2025 07:13:10 -0.21, -89.52 -0.66, -87.53 227.42 80
9 10/22/2025 19:37:44 0.18, -89.56 -0.54, -92.81 370.68 80
10 10/23/2025 19:16:17 0.20, -89.57 0.46, -88.27 147.57 80
11 10/25/2025 07:40:43 -0.17, -89.57 0.74, -93.52 451.22 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/11/2025
SNOs_Map_GOES-17_NOAA-20_20251012.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/11/2025 in txt file.

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