Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/20/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 04/22/2026 19:26:18 -0.44, -89.48 -0.55, -89.92 50.64 80
2 04/23/2026 19:10:13 -0.47, -89.48 0.47, -85.38 466.99 80
3 04/25/2026 07:29:22 0.40, -89.50 0.66, -90.65 132.19 80
4 04/26/2026 07:13:16 0.44, -89.50 -0.30, -86.11 385.92 80
5 04/27/2026 19:32:35 -0.37, -89.49 -0.80, -91.43 220.39 80
6 04/28/2026 19:16:29 -0.40, -89.50 0.16, -86.88 298.11 80
7 04/30/2026 07:35:38 0.32, -89.53 0.91, -92.16 300.19 80
8 05/01/2026 07:19:33 0.36, -89.54 -0.05, -87.62 218.42 80
9 05/02/2026 19:38:51 -0.28, -89.53 -1.03, -92.93 387.56 80
10 05/03/2026 19:22:46 -0.32, -89.54 -0.06, -88.39 131.16 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 4/20/2026
SNOs_Map_GOES-17_NOAA-20_20260421.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 04/20/2026 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20