Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/27/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/27/2025 08:40:04 0.04,-104.72 0.86,-108.24 402.54 80
2 01/28/2025 08:18:40 0.04,-104.72 -0.16,-103.71 113.79 80
3 01/29/2025 20:40:36 -0.04,-104.66 -1.03,-109.01 496.14 80
4 01/30/2025 20:24:31 -0.05,-104.66 -0.01,-104.48 20.53 80
5 02/02/2025 08:27:35 0.05,-104.72 0.16,-105.22 57.00 80
6 02/03/2025 08:06:11 0.05,-104.72 -0.86,-100.69 459.45 80
7 02/04/2025 20:28:06 -0.05,-104.66 -0.36,-105.98 150.37 80
8 02/05/2025 20:12:02 -0.05,-104.66 0.67,-101.45 366.28 80
9 02/07/2025 08:33:50 0.06,-104.72 0.49,-106.72 227.82 80
10 02/08/2025 08:12:24 0.06,-104.71 -0.49,-102.18 288.53 80
11 02/09/2025 20:34:20 -0.07,-104.65 -0.71,-107.47 321.75 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 1/27/2025
SNOs_Map_GOES-17_NPP_20250127.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 01/27/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP