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: 4/11/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/12/2025 08:05:10 -0.03,-104.37 -0.92,-100.48 443.95 80
2 04/13/2025 20:27:03 0.03,-104.41 -0.29,-105.77 155.98 80
3 04/14/2025 20:10:57 0.03,-104.41 0.71,-101.23 361.06 80
4 04/16/2025 08:32:42 -0.02,-104.37 0.47,-106.49 242.07 80
5 04/17/2025 08:11:16 -0.02,-104.37 -0.54,-101.95 274.56 80
6 04/18/2025 20:33:10 0.02,-104.39 -0.60,-107.26 326.13 80
7 04/19/2025 20:17:04 0.02,-104.39 0.42,-102.72 190.79 80
8 04/21/2025 08:38:48 -0.01,-104.35 0.82,-107.97 412.07 80
9 04/22/2025 08:17:21 -0.01,-104.35 -0.20,-103.43 104.60 80
10 04/23/2025 20:39:15 0.00,-104.37 -0.96,-108.72 496.27 80
11 04/24/2025 20:23:08 0.01,-104.37 0.06,-104.19 20.85 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/11/2025
SNOs_Map_GOES-17_NOAA-21_20250412.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/11/2025 in txt file.

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