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: 9/14/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/15/2025 19:29:32 0.23, -89.52 -0.20, -91.56 232.81 80
2 09/16/2025 19:13:27 0.24, -89.52 0.80, -87.03 284.18 80
3 09/18/2025 07:35:13 -0.24, -89.48 0.40, -92.28 319.61 80
4 09/19/2025 07:13:48 -0.24, -89.49 -0.61, -87.75 197.62 80
5 09/20/2025 19:35:43 0.24, -89.54 -0.57, -93.04 400.12 80
6 09/21/2025 19:19:38 0.24, -89.55 0.50, -88.52 117.95 80
7 09/23/2025 07:41:25 -0.23, -89.53 0.71, -93.78 483.95 80
8 09/24/2025 07:19:59 -0.24, -89.54 -0.30, -89.24 33.83 80
9 09/26/2025 19:23:09 0.24, -89.60 0.15, -90.00 45.54 80
10 09/27/2025 19:07:04 0.24, -89.62 1.17, -85.47 472.60 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/14/2025
SNOs_Map_GOES-17_NOAA-20_20250915.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/14/2025 in txt file.

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