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: 7/12/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/13/2025 20:48:21 0.62,-108.08 0.07,-110.66 293.47 80
2 07/14/2025 20:32:16 0.59,-108.07 1.02,-106.11 223.09 80
3 07/16/2025 08:51:25 -0.65,-108.04 0.09,-111.39 382.57 80
4 07/17/2025 08:35:19 -0.63,-108.02 -0.86,-106.85 133.52 80
5 07/18/2025 20:54:37 0.69,-108.03 -0.27,-112.16 471.47 80
6 07/19/2025 20:38:32 0.66,-108.02 0.75,-107.63 44.57 80
7 07/22/2025 08:38:56 -0.70,-107.96 -0.60,-108.36 45.41 80
8 07/23/2025 08:22:52 -0.67,-107.95 -1.62,-103.83 470.08 80
9 07/24/2025 20:42:08 0.73,-107.95 0.43,-109.13 135.38 80
10 07/25/2025 20:26:03 0.71,-107.94 1.45,-104.59 380.84 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 7/12/2025
SNOs_Map_GOES-14_NPP_20250713.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 07/12/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP