Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-16 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/14/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/16/2025 08:30:23 -0.04,-104.69 0.03,-105.14 50.21 80
2 10/17/2025 08:08:59 -0.04,-104.69 -0.99,-100.61 465.96 80
3 10/18/2025 20:30:56 0.04,-104.70 -0.21,-105.90 137.19 80
4 10/19/2025 20:14:53 0.04,-104.70 0.81,-101.38 379.63 80
5 10/21/2025 08:36:42 -0.03,-104.71 0.39,-106.64 220.33 80
6 10/22/2025 08:15:19 -0.03,-104.71 -0.63,-102.11 295.96 80
7 10/23/2025 20:37:15 0.02,-104.71 -0.61,-107.40 307.88 80
8 10/24/2025 20:21:12 0.02,-104.71 0.42,-102.87 208.74 80
9 10/26/2025 08:43:01 -0.01,-104.71 0.78,-108.14 390.89 80
10 10/27/2025 08:21:38 -0.02,-104.71 -0.25,-103.61 125.04 80

Figure of GOES-16 and NPP satellite orbits during SNOs since TLE Epoch: 10/14/2025
SNOs_Map_GOES-16_NPP_20251015.jpg

Download SNOs between GOES-16 and NPP since TLE EPOCH: 10/14/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NPP