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: 1/28/2026
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 01/30/2026 22:35:35 -0.04,-136.99 -0.18,-137.73 83.13 80
2 01/31/2026 22:19:31 -0.04,-136.99 0.82,-133.19 433.07 80
3 02/02/2026 10:41:19 0.04,-136.98 0.39,-138.46 168.08 80
4 02/03/2026 10:19:55 0.04,-136.98 -0.61,-133.92 347.95 80
5 02/04/2026 22:41:52 -0.05,-136.98 -0.52,-139.23 256.58 80
6 02/05/2026 22:25:47 -0.05,-136.97 0.48,-134.70 259.44 80
7 02/07/2026 10:47:36 0.05,-136.96 0.71,-139.96 341.93 80
8 02/08/2026 10:26:11 0.05,-136.95 -0.30,-135.43 173.59 80
9 02/09/2026 22:48:08 -0.06,-136.93 -0.89,-140.73 432.18 80
10 02/10/2026 22:32:03 -0.06,-136.92 0.12,-136.20 83.01 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 1/28/2026
SNOs_Map_GOES-18_NOAA-21_20260129.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 01/28/2026 in txt file.

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