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: 9/21/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/21/2025 19:19:37 0.24, -89.52 0.44, -88.51 115.24 80
2 09/23/2025 07:41:25 -0.23, -89.49 0.70, -93.78 487.34 80
3 09/24/2025 07:19:59 -0.24, -89.50 -0.31, -89.24 29.98 80
4 09/26/2025 19:23:09 0.24, -89.55 0.16, -90.00 51.02 80
5 09/27/2025 19:07:04 0.24, -89.56 1.18, -85.47 466.69 80
6 09/29/2025 07:28:50 -0.24, -89.53 0.01, -90.73 135.47 80
7 09/30/2025 07:07:24 -0.25, -89.54 -1.00, -86.19 381.80 80
8 10/01/2025 19:31:59 0.24, -89.58 -0.20, -91.48 216.51 80
9 10/02/2025 19:13:13 0.25, -89.59 0.82, -86.94 301.43 80
10 10/04/2025 07:35:00 -0.24, -89.58 0.37, -92.20 299.37 80
11 10/05/2025 07:13:34 -0.25, -89.59 -0.65, -87.67 218.47 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/21/2025
SNOs_Map_GOES-17_NOAA-20_20250922.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/21/2025 in txt file.

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