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: 10/20/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/21/2025 08:36:42 -0.03,-104.69 0.40,-106.64 221.20 80
2 10/22/2025 08:15:19 -0.02,-104.69 -0.62,-102.11 294.75 80
3 10/23/2025 20:37:15 0.01,-104.68 -0.62,-107.40 309.65 80
4 10/24/2025 20:21:11 0.01,-104.68 0.41,-102.87 206.56 80
5 10/26/2025 08:43:01 -0.00,-104.68 0.78,-108.14 393.86 80
6 10/27/2025 08:21:37 -0.01,-104.68 -0.26,-103.61 121.71 80
7 10/28/2025 20:43:34 0.00,-104.66 -0.97,-108.90 483.70 80
8 10/29/2025 20:27:30 0.01,-104.66 0.07,-104.37 32.35 80
9 11/01/2025 08:30:36 -0.01,-104.66 0.07,-105.12 51.47 80
10 11/02/2025 08:09:11 -0.01,-104.65 -0.91,-100.58 464.40 80

Figure of GOES-16 and NPP satellite orbits during SNOs since TLE Epoch: 10/20/2025
SNOs_Map_GOES-16_NPP_20251021.jpg

Download SNOs between GOES-16 and NPP since TLE EPOCH: 10/20/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NPP