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: 8/19/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/19/2025 20:55:58 0.92,-108.10 0.00,-112.09 455.48 0
2 08/20/2025 20:38:34 0.92,-108.11 1.04,-107.56 62.71 80
3 08/23/2025 08:41:35 -0.93,-108.13 -0.89,-108.29 17.95 80
4 08/25/2025 20:42:07 0.93,-108.17 0.75,-109.06 100.83 80
5 08/26/2025 20:26:02 0.93,-108.19 1.74,-104.52 417.74 80
6 08/28/2025 08:47:48 -0.93,-108.20 -0.55,-109.77 179.92 80
7 08/29/2025 08:26:24 -0.93,-108.21 -1.60,-105.25 337.89 80
8 08/30/2025 20:48:20 0.93,-108.23 0.42,-110.55 264.11 80
9 08/31/2025 20:32:14 0.94,-108.24 1.42,-106.00 253.97 80
10 09/02/2025 08:54:02 -0.93,-108.26 -0.29,-111.27 343.15 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 8/19/2025
SNOs_Map_GOES-14_NPP_20250820.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 08/19/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP