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: 8/26/2026
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/27/2026 22:18:58 -0.01,-137.00 0.88,-133.19 435.39 80
2 08/29/2026 10:40:45 0.00,-136.99 0.35,-138.45 166.49 80
3 08/30/2026 10:19:21 0.00,-136.99 -0.67,-133.92 349.20 80
4 08/31/2026 22:41:17 -0.01,-136.98 -0.52,-139.23 256.37 80
5 09/01/2026 22:25:12 -0.01,-136.98 0.49,-134.70 258.86 80
6 09/03/2026 10:47:01 0.01,-136.95 0.68,-139.98 344.60 80
7 09/04/2026 10:25:36 0.02,-136.94 -0.34,-135.45 169.91 80
8 09/05/2026 22:47:32 -0.02,-136.91 -0.90,-140.75 437.49 80
9 09/06/2026 22:31:27 -0.02,-136.89 0.12,-136.22 76.69 80
10 09/09/2026 10:34:31 0.03,-136.84 0.04,-136.97 14.06 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/26/2026
SNOs_Map_GOES-18_NOAA-21_20260827.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 08/26/2026 in txt file.

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