Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-14 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/21/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/22/2025 08:38:56 -0.70,-107.97 -0.58,-108.35 44.47 80
2 07/23/2025 08:22:51 -0.67,-107.96 -1.60,-103.82 471.34 80
3 07/24/2025 20:42:09 0.73,-107.97 0.47,-109.13 132.21 80
4 07/25/2025 20:26:04 0.71,-107.97 1.49,-104.60 384.16 80
5 07/27/2025 08:45:12 -0.76,-107.92 -0.34,-109.87 221.35 80
6 07/28/2025 08:29:07 -0.73,-107.92 -1.30,-105.33 294.94 80
7 07/29/2025 20:48:24 0.78,-107.93 0.16,-110.63 308.52 80
8 07/30/2025 20:32:20 0.76,-107.93 1.19,-106.10 208.10 80
9 08/01/2025 08:51:28 -0.80,-107.89 -0.05,-111.38 396.39 80
10 08/02/2025 08:35:23 -0.79,-107.88 -1.01,-106.83 119.62 80
11 08/03/2025 20:54:40 0.83,-107.89 -0.12,-112.14 485.01 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 7/21/2025
SNOs_Map_GOES-14_NPP_20250722.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 07/21/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP