Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/10/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/10/2025 21:36:01 -0.54, 61.40 0.13, 58.33 349.56 80
2 09/11/2025 21:14:39 -0.56, 61.40 -0.89, 62.85 166.03 80
3 09/13/2025 09:36:38 0.54, 61.35 -0.32, 57.54 433.59 80
4 09/14/2025 09:20:36 0.55, 61.34 0.70, 62.07 82.28 80
5 09/16/2025 21:23:44 -0.55, 61.39 -0.55, 61.32 8.01 80
6 09/19/2025 09:24:20 0.54, 61.35 0.38, 60.53 93.14 80
7 09/20/2025 09:08:18 0.56, 61.35 1.42, 65.05 422.77 80
8 09/21/2025 21:30:07 -0.53, 61.38 -0.17, 59.79 181.32 80
9 09/22/2025 21:08:45 -0.55, 61.39 -1.20, 64.32 333.53 80
10 09/24/2025 09:33:23 0.51, 61.37 -0.03, 59.02 268.02 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/10/2025
SNOs_Map_GOES-15_NPP_20250911.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/10/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP