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: 9/16/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/16/2025 19:13:27 0.24, -89.52 0.79, -87.02 284.22 80
2 09/18/2025 07:35:13 -0.24, -89.48 0.41, -92.28 319.70 80
3 09/19/2025 07:13:48 -0.24, -89.48 -0.66, -87.76 197.50 80
4 09/20/2025 19:35:44 0.24, -89.54 -0.52, -93.05 400.21 80
5 09/21/2025 19:19:38 0.24, -89.55 0.49, -88.52 117.82 80
6 09/23/2025 07:41:25 -0.23, -89.53 0.71, -93.77 484.19 80
7 09/24/2025 07:19:59 -0.24, -89.53 -0.30, -89.24 33.57 80
8 09/26/2025 19:23:09 0.24, -89.60 0.15, -90.00 45.80 80
9 09/27/2025 19:07:03 0.24, -89.61 1.16, -85.47 472.32 80
10 09/29/2025 07:28:50 -0.24, -89.59 0.04, -90.72 129.35 80
11 09/30/2025 07:07:25 -0.25, -89.60 -1.03, -86.20 388.43 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/16/2025
SNOs_Map_GOES-17_NOAA-20_20250917.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/16/2025 in txt file.

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