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: 4/19/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/20/2025 10:36:50 0.00,-136.98 0.31,-138.22 142.12 80
2 04/21/2025 10:20:37 0.00,-136.97 -0.71,-133.68 374.34 73
3 04/22/2025 22:39:57 0.00,-136.97 -0.47,-138.97 229.20 80
4 04/23/2025 22:23:50 0.00,-136.96 0.55,-134.44 287.10 80
5 04/25/2025 10:45:36 -0.00,-136.93 0.62,-139.70 315.09 80
6 04/26/2025 10:26:49 0.00,-136.92 -0.40,-135.16 200.78 80
7 04/27/2025 22:46:02 -0.00,-136.90 -0.82,-140.44 403.86 80
8 04/28/2025 22:29:55 0.00,-136.89 0.21,-135.91 111.46 80
9 04/30/2025 10:51:40 -0.00,-136.85 0.96,-141.17 492.38 80
10 05/01/2025 10:30:14 -0.01,-136.82 -0.07,-136.63 22.39 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/19/2025
SNOs_Map_GOES-18_NOAA-21_20250420.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/19/2025 in txt file.

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