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: 5/6/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/08/2025 09:34:57 -0.05, 61.61 -0.98, 57.63 454.92 80
2 05/09/2025 09:18:54 -0.06, 61.63 0.04, 62.16 59.72 80
3 05/11/2025 21:19:20 0.05, 61.67 0.11, 61.41 28.89 80
4 05/12/2025 21:03:16 0.06, 61.68 -0.91, 65.94 485.39 80
5 05/14/2025 09:22:35 -0.03, 61.73 -0.27, 60.63 124.69 80
6 05/15/2025 09:06:30 -0.04, 61.75 0.70, 65.17 389.06 80
7 05/16/2025 21:25:40 0.02, 61.79 0.47, 59.90 215.75 80
8 05/17/2025 21:09:36 0.03, 61.81 -0.56, 64.43 297.97 80
9 05/19/2025 09:28:54 -0.01, 61.86 -0.61, 59.12 312.40 80
10 05/20/2025 09:12:50 -0.02, 61.89 0.37, 63.66 201.02 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 5/6/2025
SNOs_Map_GOES-15_NPP_20250507.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 05/06/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP