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: 3/29/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/30/2025 10:33:47 -0.00,-136.99 -0.03,-136.82 18.87 80
2 04/01/2025 22:34:15 0.00,-136.98 -0.16,-137.58 69.45 80
3 04/02/2025 22:18:10 0.00,-136.97 0.88,-133.05 446.45 80
4 04/04/2025 10:39:55 0.00,-136.95 0.31,-138.31 155.54 80
5 04/05/2025 10:18:30 0.00,-136.94 -0.73,-133.78 360.05 80
6 04/06/2025 22:40:24 -0.00,-136.92 -0.46,-139.08 245.37 80
7 04/07/2025 22:24:18 -0.00,-136.91 0.53,-134.54 270.26 80
8 04/09/2025 10:46:03 0.00,-136.89 0.66,-139.80 331.94 80
9 04/10/2025 10:27:16 0.00,-136.87 -0.33,-135.25 183.61 80
10 04/11/2025 22:46:31 -0.00,-136.85 -0.82,-140.56 422.03 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/29/2025
SNOs_Map_GOES-18_NOAA-21_20250330.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 03/29/2025 in txt file.

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