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: 10/10/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/12/2025 19:25:29 0.22, -89.51 0.14, -89.88 42.02 80
2 10/13/2025 19:04:04 0.24, -89.51 1.18, -85.35 474.93 80
3 10/15/2025 07:28:29 -0.22, -89.48 0.04, -90.60 127.02 80
4 10/16/2025 07:07:03 -0.23, -89.48 -1.01, -86.06 389.95 80
5 10/17/2025 19:31:37 0.21, -89.52 -0.20, -91.35 208.35 80
6 10/18/2025 19:10:11 0.23, -89.53 0.85, -86.82 309.65 80
7 10/20/2025 07:34:37 -0.20, -89.52 0.36, -92.07 290.04 80
8 10/21/2025 07:13:10 -0.21, -89.53 -0.63, -87.52 227.66 80
9 10/22/2025 19:37:43 0.18, -89.56 -0.57, -92.81 370.59 80
10 10/23/2025 19:16:18 0.20, -89.57 0.48, -88.28 147.65 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/10/2025
SNOs_Map_GOES-17_NOAA-20_20251011.jpg

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

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