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: 10/27/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/28/2025 19:25:58 0.17, -89.50 0.06, -89.95 51.33 80
2 10/29/2025 19:04:37 0.19, -89.50 1.11, -85.43 463.74 80
3 10/31/2025 07:29:08 -0.16, -89.48 0.09, -90.71 139.13 80
4 11/01/2025 07:07:46 -0.18, -89.48 -0.91, -86.18 375.78 80
5 11/02/2025 19:32:25 0.14, -89.50 -0.31, -91.49 227.04 80
6 11/03/2025 19:11:03 0.16, -89.50 0.75, -86.98 288.53 80
7 11/05/2025 07:35:34 -0.12, -89.50 0.50, -92.24 312.96 80
8 11/06/2025 07:14:12 -0.14, -89.50 -0.57, -87.73 202.01 80
9 11/07/2025 19:38:51 0.10, -89.50 -0.70, -93.03 401.63 80
10 11/08/2025 19:17:29 0.12, -89.51 0.37, -88.51 113.79 80
11 11/10/2025 07:41:59 -0.08, -89.51 0.87, -93.78 486.72 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/27/2025
SNOs_Map_GOES-17_NOAA-20_20251028.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/27/2025 in txt file.

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