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: 6/20/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/21/2025 09:13:17 0.16, 61.26 0.68, 63.61 267.50 80
2 06/22/2025 21:32:26 -0.20, 61.31 0.48, 58.33 339.63 80
3 06/23/2025 21:16:21 -0.18, 61.31 -0.52, 62.87 177.22 80
4 06/25/2025 09:35:39 0.22, 61.25 -0.62, 57.56 421.58 80
5 06/26/2025 09:19:34 0.21, 61.26 0.38, 62.09 95.18 80
6 06/28/2025 21:22:39 -0.22, 61.31 -0.23, 61.35 4.53 80
7 07/01/2025 09:23:12 0.24, 61.26 0.10, 60.58 77.22 80
8 07/02/2025 09:07:07 0.22, 61.26 1.10, 65.11 439.63 80
9 07/03/2025 21:26:17 -0.26, 61.32 0.05, 59.84 168.01 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 6/20/2025
SNOs_Map_GOES-15_NPP_20250621.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 06/20/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP