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: 9/14/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/16/2025 21:23:44 -0.55, 61.38 -0.56, 61.32 7.35 80
2 09/19/2025 09:24:20 0.55, 61.33 0.39, 60.53 90.88 80
3 09/20/2025 09:08:18 0.56, 61.33 1.42, 65.05 425.28 80
4 09/21/2025 21:30:07 -0.53, 61.37 -0.18, 59.79 179.14 80
5 09/22/2025 21:08:45 -0.55, 61.37 -1.21, 64.32 335.94 80
6 09/24/2025 09:33:23 0.51, 61.33 -0.03, 59.02 264.55 80
7 09/25/2025 09:14:41 0.53, 61.33 1.01, 63.54 251.13 80
8 09/26/2025 21:36:31 -0.50, 61.37 0.18, 58.27 352.85 80
9 09/27/2025 21:15:09 -0.52, 61.38 -0.85, 62.79 161.34 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/14/2025
SNOs_Map_GOES-15_NPP_20250915.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/14/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP