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: 7/10/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/11/2025 09:35:46 0.33, 61.26 -0.48, 57.56 420.62 80
2 07/12/2025 09:19:41 0.31, 61.26 0.52, 62.10 95.67 80
3 07/14/2025 21:22:45 -0.33, 61.34 -0.36, 61.36 3.64 80
4 07/17/2025 09:23:17 0.34, 61.31 0.18, 60.60 81.08 80
5 07/18/2025 09:07:12 0.33, 61.32 1.19, 65.13 434.54 80
6 07/19/2025 21:26:21 -0.37, 61.40 -0.02, 59.87 175.13 80
7 07/20/2025 21:10:16 -0.36, 61.42 -1.04, 64.40 339.70 80
8 07/22/2025 09:29:33 0.39, 61.40 -0.16, 59.10 262.15 80
9 07/23/2025 09:13:28 0.38, 61.41 0.86, 63.63 252.73 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/10/2025
SNOs_Map_GOES-15_NPP_20250711.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/10/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP