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: 7/19/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/19/2025 20:38:33 0.66,-108.03 0.76,-107.63 46.50 80
2 07/22/2025 08:38:56 -0.70,-107.97 -0.62,-108.36 44.24 80
3 07/23/2025 08:22:51 -0.67,-107.96 -1.58,-103.82 471.53 80
4 07/24/2025 20:42:08 0.73,-107.97 0.45,-109.13 132.21 80
5 07/25/2025 20:26:04 0.71,-107.97 1.47,-104.60 384.23 80
6 07/27/2025 08:45:12 -0.76,-107.93 -0.32,-109.87 220.97 80
7 07/28/2025 08:29:08 -0.73,-107.92 -1.34,-105.34 295.36 80
8 07/29/2025 20:48:24 0.78,-107.93 0.15,-110.63 308.27 80
9 07/30/2025 20:32:19 0.76,-107.93 1.17,-106.10 208.41 80
10 08/01/2025 08:51:28 -0.80,-107.90 -0.04,-111.37 395.76 80
11 08/02/2025 08:35:22 -0.79,-107.89 -1.00,-106.83 120.32 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 7/19/2025
SNOs_Map_GOES-14_NPP_20250720.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 07/19/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP