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: 5/9/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/11/2025 21:19:20 0.05, 61.66 0.12, 61.42 27.92 80
2 05/12/2025 21:03:16 0.06, 61.67 -0.90, 65.94 486.62 80
3 05/14/2025 09:22:34 -0.03, 61.71 -0.28, 60.64 122.77 80
4 05/15/2025 09:06:31 -0.04, 61.73 0.74, 65.16 391.20 80
5 05/16/2025 21:25:40 0.02, 61.77 0.42, 59.89 213.57 80
6 05/17/2025 21:09:36 0.03, 61.79 -0.54, 64.43 300.35 80
7 05/19/2025 09:28:54 -0.01, 61.83 -0.63, 59.12 309.41 80
8 05/20/2025 09:12:51 -0.02, 61.86 0.40, 63.65 204.24 80
9 05/21/2025 21:32:00 -0.00, 61.90 0.77, 58.38 401.53 80
10 05/22/2025 21:15:56 0.01, 61.93 -0.20, 62.92 112.05 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 5/9/2025
SNOs_Map_GOES-15_NPP_20250510.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 05/09/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP