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: 3/10/2026
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/11/2026 10:47:37 0.03,-137.00 0.65,-139.89 329.23 80
2 03/12/2026 10:26:11 0.03,-136.99 -0.32,-135.35 187.25 80
3 03/13/2026 22:48:08 -0.03,-137.00 -0.88,-140.65 416.20 80
4 03/14/2026 22:32:03 -0.03,-136.99 0.17,-136.12 100.05 80
5 03/17/2026 10:32:25 0.03,-136.96 -0.01,-136.84 14.24 80
6 03/19/2026 22:35:36 -0.03,-136.95 -0.19,-137.60 74.74 80
7 03/20/2026 22:19:32 -0.03,-136.93 0.86,-133.07 440.71 80
8 03/22/2026 10:41:18 0.03,-136.90 0.33,-138.33 162.70 80
9 03/23/2026 10:22:32 0.04,-136.88 -0.66,-133.79 352.00 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/10/2026
SNOs_Map_GOES-18_NOAA-21_20260311.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 03/10/2026 in txt file.

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