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: 10/9/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/10/2025 07:19:41 -0.23, -89.49 -0.31, -89.13 40.88 80
2 10/12/2025 19:25:29 0.22, -89.51 0.13, -89.88 42.00 80
3 10/13/2025 19:04:04 0.24, -89.51 1.17, -85.35 474.99 80
4 10/15/2025 07:28:29 -0.22, -89.48 0.04, -90.60 126.82 80
5 10/16/2025 07:07:03 -0.23, -89.49 -1.00, -86.06 390.20 80
6 10/17/2025 19:31:37 0.21, -89.52 -0.21, -91.35 208.17 80
7 10/18/2025 19:10:11 0.23, -89.53 0.84, -86.82 309.86 80
8 10/20/2025 07:34:36 -0.20, -89.52 0.37, -92.07 289.68 80
9 10/21/2025 07:13:11 -0.21, -89.53 -0.68, -87.54 228.04 80
10 10/22/2025 19:37:44 0.18, -89.57 -0.52, -92.82 370.24 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/9/2025
SNOs_Map_GOES-17_NOAA-20_20251010.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/09/2025 in txt file.

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