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: 7/21/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/22/2026 21:35:42 -1.27, 63.22 -0.45, 59.55 417.47 80
2 07/23/2026 21:19:39 -1.24, 63.21 -1.45, 64.09 100.00 80
3 07/26/2026 09:22:54 1.28, 63.22 1.33, 63.31 10.64 80
4 07/28/2026 21:23:21 -1.32, 63.19 -1.16, 62.58 70.46 80
5 07/29/2026 21:07:18 -1.29, 63.19 -2.16, 67.11 446.45 80
6 07/31/2026 09:26:37 1.35, 63.22 1.04, 61.80 161.91 80
7 08/01/2026 09:10:34 1.32, 63.21 2.05, 66.33 355.58 80
8 08/02/2026 21:29:44 -1.37, 63.18 -0.89, 61.06 241.65 80
9 08/03/2026 21:13:40 -1.35, 63.18 -1.90, 65.59 274.78 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/21/2026
SNOs_Map_GOES-15_NPP_20260722.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/21/2026 in txt file.

Historical Predications of SNOs between GOES-15 and NPP