Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/21/2025 08:38:48 -0.01,-104.36 0.79,-107.97 411.87 80
2 04/22/2025 08:17:22 -0.01,-104.35 -0.22,-103.43 104.99 80
3 04/23/2025 20:39:15 0.01,-104.38 -0.95,-108.73 494.65 80
4 04/24/2025 20:23:09 0.01,-104.38 0.07,-104.19 22.73 80
5 04/27/2025 08:26:07 -0.01,-104.35 0.14,-104.90 63.42 80
6 04/28/2025 08:04:40 -0.01,-104.34 -0.88,-100.36 453.32 80
7 04/29/2025 20:26:33 0.01,-104.37 -0.26,-105.66 146.97 80
8 04/30/2025 20:10:27 0.01,-104.37 0.77,-101.12 370.02 80
9 05/02/2025 08:32:11 -0.01,-104.33 0.46,-106.37 232.96 80
10 05/03/2025 08:10:45 -0.01,-104.33 -0.57,-101.84 283.86 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/20/2025
SNOs_Map_GOES-17_NOAA-21_20250421.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/20/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21