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: 10/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/18/2025 19:10:24 0.23, -89.52 0.82, -86.86 302.62 80
2 10/20/2025 07:34:55 -0.20, -89.50 0.42, -92.13 300.93 80
3 10/21/2025 07:13:34 -0.21, -89.50 -0.63, -87.62 214.46 80
4 10/22/2025 19:38:13 0.18, -89.53 -0.61, -92.92 386.94 80
5 10/23/2025 19:16:51 0.20, -89.54 0.44, -88.41 129.00 80
6 10/25/2025 07:41:23 -0.16, -89.53 0.79, -93.68 473.48 80
7 10/26/2025 07:20:01 -0.18, -89.54 -0.25, -89.17 41.89 80
8 10/28/2025 19:25:59 0.17, -89.57 0.07, -89.96 44.09 80
9 10/29/2025 19:04:38 0.19, -89.58 1.12, -85.44 472.01 80
10 10/31/2025 07:29:09 -0.16, -89.58 0.09, -90.72 129.37 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/17/2025
SNOs_Map_GOES-17_NOAA-20_20251018.jpg

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

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