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: 4/9/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/11/2025 08:26:36 -0.02,-104.38 0.12,-105.01 72.75 80
2 04/12/2025 08:05:09 -0.03,-104.38 -0.87,-100.47 444.11 80
3 04/13/2025 20:27:04 0.02,-104.40 -0.29,-105.77 156.19 80
4 04/14/2025 20:10:57 0.03,-104.40 0.71,-101.23 360.86 80
5 04/16/2025 08:32:42 -0.02,-104.38 0.47,-106.49 241.84 80
6 04/17/2025 08:11:16 -0.02,-104.37 -0.54,-101.95 274.82 80
7 04/18/2025 20:33:10 0.02,-104.39 -0.60,-107.26 326.21 80
8 04/19/2025 20:17:04 0.02,-104.39 0.42,-102.72 190.72 80
9 04/21/2025 08:38:48 -0.01,-104.36 0.82,-107.97 411.77 80
10 04/22/2025 08:17:22 -0.01,-104.35 -0.19,-103.43 104.95 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/9/2025
SNOs_Map_GOES-17_NOAA-21_20250410.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/09/2025 in txt file.

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