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: 6/13/2026
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 06/13/2026 22:24:56 -0.00,-137.01 0.55,-134.45 291.20 80
2 06/15/2026 10:46:42 0.01,-136.99 0.64,-139.72 311.22 80
3 06/16/2026 10:25:17 0.01,-136.98 -0.38,-135.18 204.60 80
4 06/17/2026 22:47:12 -0.02,-136.98 -0.78,-140.49 400.04 80
5 06/18/2026 22:31:06 -0.02,-136.97 0.18,-135.95 115.71 80
6 06/20/2026 10:52:52 0.02,-136.95 1.00,-141.21 487.06 80
7 06/21/2026 10:31:27 0.02,-136.94 -0.02,-136.68 28.59 80
8 06/23/2026 22:34:35 -0.03,-136.92 -0.17,-137.45 61.20 80
9 06/24/2026 22:18:30 -0.03,-136.90 0.85,-132.92 454.09 80
10 06/26/2026 10:40:16 0.04,-136.87 0.32,-138.18 149.61 80
11 06/27/2026 10:18:51 0.04,-136.85 -0.71,-133.65 365.13 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/13/2026
SNOs_Map_GOES-18_NOAA-21_20260614.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 06/13/2026 in txt file.

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