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: 8/11/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/12/2025 09:35:48 0.50, 61.53 -0.36, 57.65 441.98 80
2 08/13/2025 09:19:42 0.49, 61.54 0.61, 62.19 73.79 80
3 08/15/2025 21:22:44 -0.50, 61.64 -0.44, 61.47 21.02 80
4 08/16/2025 21:01:20 -0.50, 61.67 -1.48, 66.00 493.55 80
5 08/18/2025 09:23:16 0.51, 61.64 0.28, 60.70 107.35 80
6 08/19/2025 09:07:12 0.51, 61.66 1.32, 65.23 407.27 80
7 08/20/2025 21:28:58 -0.53, 61.75 -0.12, 59.97 202.57 80
8 08/21/2025 21:07:33 -0.53, 61.77 -1.16, 64.50 311.57 80
9 08/23/2025 09:29:30 0.53, 61.75 -0.03, 59.21 290.11 80
10 08/24/2025 09:13:24 0.53, 61.77 0.96, 63.75 224.73 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/11/2025
SNOs_Map_GOES-15_NPP_20250812.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/11/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP