Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/1/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/01/2025 22:34:16 0.00,-137.00 -0.11,-137.60 67.03 80
2 04/02/2025 22:18:10 0.00,-137.00 0.87,-133.05 449.44 80
3 04/04/2025 10:37:16 0.00,-136.99 0.27,-138.32 151.48 80
4 04/05/2025 10:21:10 0.00,-136.98 -0.71,-133.78 364.69 80
5 04/06/2025 22:40:24 -0.00,-136.97 -0.49,-139.07 240.14 80
6 04/07/2025 22:24:18 -0.00,-136.96 0.56,-134.54 276.01 80
7 04/09/2025 10:43:24 0.00,-136.95 0.64,-139.80 325.15 80
8 04/10/2025 10:27:17 0.00,-136.94 -0.35,-135.26 190.92 80
9 04/11/2025 22:46:32 -0.00,-136.93 -0.82,-140.56 414.14 80
10 04/12/2025 22:30:25 0.00,-136.92 0.17,-136.02 101.66 80
11 04/15/2025 10:33:25 -0.01,-136.88 -0.03,-136.75 14.59 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/1/2025
SNOs_Map_GOES-18_NOAA-21_20250402.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/01/2025 in txt file.

Historical Predications of SNOs between GOES-18 and NOAA-21