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: 5/20/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/21/2025 20:41:29 -0.07,-108.39 -0.21,-109.08 78.37 80
2 05/22/2025 20:25:25 -0.10,-108.39 0.77,-104.54 438.77 80
3 05/24/2025 08:44:35 0.03,-108.36 0.34,-109.82 166.64 80
4 05/25/2025 08:28:30 0.06,-108.36 -0.63,-105.28 350.08 80
5 05/26/2025 20:47:50 0.02,-108.38 -0.45,-110.61 254.10 80
6 05/27/2025 20:31:45 -0.01,-108.37 0.52,-106.07 262.59 80
7 05/29/2025 08:50:54 -0.06,-108.34 0.64,-111.34 343.23 80
8 05/30/2025 08:34:51 -0.02,-108.33 -0.39,-106.82 173.45 80
9 05/31/2025 20:54:09 0.10,-108.35 -0.73,-112.13 430.67 80
10 06/01/2025 20:38:05 0.06,-108.35 0.25,-107.60 86.50 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 5/20/2025
SNOs_Map_GOES-14_NPP_20250521.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 05/20/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP