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: 2/20/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 02/21/2026 09:21:01 -0.99, 62.48 -1.03, 62.38 12.37 80
2 02/22/2026 09:04:57 -0.99, 62.81 -0.04, 66.92 468.82 80
3 02/23/2026 21:24:03 1.00, 63.34 1.39, 61.69 188.78 80
4 02/24/2026 21:07:58 1.00, 63.68 0.45, 66.24 291.98 80
5 02/26/2026 09:27:13 -1.00, 64.16 -1.72, 60.97 363.97 80
6 02/27/2026 09:11:08 -1.01, 64.49 -0.78, 65.52 116.56 80
7 03/01/2026 21:11:29 1.01, 65.37 1.13, 64.83 61.26 80
8 03/02/2026 20:55:24 1.02, 65.70 0.19, 69.38 419.61 80
9 03/04/2026 09:14:38 -1.00, 66.18 -1.50, 64.11 236.20 80
10 03/05/2026 08:58:33 -1.01, 66.51 -0.56, 68.66 244.67 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 2/20/2026
SNOs_Map_GOES-15_NPP_20260221.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 02/20/2026 in txt file.

Historical Predications of SNOs between GOES-15 and NPP