Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/18/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/20/2026 09:35:19 -0.53, 63.23 -1.40, 59.24 453.37 80
2 04/21/2026 09:19:15 -0.58, 63.23 -0.47, 63.79 63.38 80
3 04/23/2026 21:19:45 0.54, 63.31 0.59, 63.03 31.09 80
4 04/24/2026 21:03:42 0.59, 63.31 -0.34, 67.58 485.49 80
5 04/26/2026 09:23:05 -0.49, 63.25 -0.70, 62.23 115.73 80
6 04/27/2026 09:07:02 -0.54, 63.26 0.23, 66.78 401.22 80
7 04/28/2026 21:26:14 0.43, 63.32 0.87, 61.49 209.60 80
8 04/29/2026 21:10:11 0.48, 63.33 -0.12, 66.02 306.90 80
9 05/01/2026 09:29:34 -0.36, 63.28 -0.97, 60.69 295.59 80
10 05/02/2026 09:13:31 -0.42, 63.29 0.03, 65.22 220.94 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/18/2026
SNOs_Map_GOES-15_NPP_20260419.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/18/2026 in txt file.

Historical Predications of SNOs between GOES-15 and NPP