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: 4/13/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/14/2025 10:52:11 -0.00,-137.00 0.95,-141.29 488.50 80
2 04/15/2025 10:30:44 0.00,-137.00 -0.05,-136.75 28.61 80
3 04/17/2025 22:33:51 0.00,-136.99 -0.14,-137.50 58.28 80
4 04/18/2025 22:17:46 0.00,-136.99 0.93,-132.97 458.20 80
5 04/20/2025 10:39:30 -0.00,-136.97 0.30,-138.22 143.13 80
6 04/21/2025 10:18:04 -0.00,-136.96 -0.71,-133.68 372.97 80
7 04/22/2025 22:39:57 0.00,-136.94 -0.46,-138.98 231.64 80
8 04/23/2025 22:23:50 0.00,-136.93 0.56,-134.44 284.27 80
9 04/25/2025 10:45:36 -0.00,-136.91 0.61,-139.70 317.79 80
10 04/26/2025 10:24:09 -0.01,-136.89 -0.41,-135.16 197.64 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/13/2025
SNOs_Map_GOES-18_NOAA-21_20250414.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/13/2025 in txt file.

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