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: 11/23/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/24/2025 21:31:06 0.05, 61.60 0.41, 59.93 190.30 80
2 11/25/2025 21:09:45 -0.01, 61.59 -0.64, 64.45 324.83 80
3 11/27/2025 09:34:23 -0.09, 61.61 -0.65, 59.16 279.94 80
4 11/28/2025 09:13:02 -0.03, 61.60 0.41, 63.67 236.08 80
5 11/29/2025 21:37:32 0.13, 61.54 0.84, 58.41 356.22 80
6 11/30/2025 21:16:11 0.08, 61.53 -0.22, 62.93 158.60 80
7 12/02/2025 09:40:49 -0.18, 61.57 -1.07, 57.64 448.40 80
8 12/03/2025 09:19:27 -0.13, 61.57 -0.01, 62.16 66.89 80
9 12/05/2025 21:25:16 0.19, 61.51 0.18, 61.41 11.53 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 11/23/2025
SNOs_Map_GOES-15_NPP_20251124.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 11/23/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP