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: 6/24/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 06/25/2025 20:07:10 0.02, -97.98 -0.66,-101.03 348.44 80
2 06/26/2025 19:51:06 0.01, -97.44 0.23, -96.48 108.86 80
3 06/29/2025 07:51:29 -0.01, -96.07 0.24, -97.17 126.30 80
4 06/30/2025 07:35:25 -0.00, -95.53 -0.65, -92.62 331.66 80
5 07/01/2025 19:54:41 0.01, -94.74 -0.72, -97.90 359.91 80
6 07/02/2025 19:38:37 0.00, -94.21 0.18, -93.35 98.27 80
7 07/05/2025 07:39:01 -0.01, -92.86 0.28, -94.04 135.72 80
8 07/06/2025 07:22:56 -0.01, -92.33 -0.61, -89.49 322.47 80
9 07/07/2025 19:42:13 0.02, -91.54 -0.70, -94.78 369.04 80
10 07/08/2025 19:26:09 0.02, -91.01 0.20, -90.23 89.11 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 6/24/2025
SNOs_Map_GOES-17_NOAA-20_20250625.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 06/24/2025 in txt file.

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