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: 5/15/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/16/2025 21:25:40 0.02, 61.76 0.46, 59.90 212.31 80
2 05/17/2025 21:09:36 0.03, 61.78 -0.56, 64.43 301.93 80
3 05/19/2025 09:28:54 -0.01, 61.81 -0.61, 59.12 306.50 80
4 05/20/2025 09:12:50 -0.02, 61.83 0.36, 63.66 207.50 80
5 05/21/2025 21:31:59 -0.00, 61.88 0.80, 58.39 398.53 80
6 05/22/2025 21:15:56 0.01, 61.90 -0.22, 62.91 115.35 80
7 05/24/2025 09:35:14 0.02, 61.94 -0.93, 57.60 493.48 80
8 05/25/2025 09:19:10 0.01, 61.97 0.05, 62.14 19.80 80
9 05/27/2025 21:19:34 -0.03, 62.06 0.15, 61.41 74.92 80
10 05/28/2025 21:03:31 -0.02, 62.09 -0.89, 65.93 438.08 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 5/15/2025
SNOs_Map_GOES-15_NPP_20250516.jpg

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

Historical Predications of SNOs between GOES-15 and NPP