Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/13/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 03/15/2026 09:29:25 -0.96, 63.38 -1.86, 59.32 462.25 80
2 03/16/2026 09:13:20 -0.98, 63.37 -0.87, 63.86 55.29 80
3 03/18/2026 21:13:45 0.97, 63.42 1.02, 63.12 33.66 80
4 03/19/2026 20:57:41 0.99, 63.42 0.04, 67.66 483.67 80
5 03/21/2026 09:16:59 -0.94, 63.36 -1.16, 62.35 115.31 80
6 03/22/2026 09:00:54 -0.97, 63.36 -0.17, 66.89 401.61 80
7 03/23/2026 21:20:04 0.92, 63.43 1.30, 61.61 206.46 80
8 03/24/2026 21:03:58 0.95, 63.43 0.37, 66.16 310.09 80
9 03/26/2026 09:23:16 -0.90, 63.39 -1.49, 60.85 290.41 80
10 03/27/2026 09:07:12 -0.93, 63.40 -0.49, 65.38 226.16 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 3/13/2026
SNOs_Map_GOES-15_NOAA-20_20260314.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 03/13/2026 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20