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: 10/10/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/11/2025 09:12:22 0.47, 61.37 0.95, 63.53 245.68 80
2 10/12/2025 21:36:50 -0.41, 61.41 0.32, 58.28 357.37 80
3 10/13/2025 21:15:28 -0.45, 61.42 -0.75, 62.80 156.36 80
4 10/15/2025 09:40:04 0.38, 61.42 -0.52, 57.51 446.54 80
5 10/16/2025 09:18:42 0.42, 61.43 0.55, 62.03 68.41 80
6 10/18/2025 21:24:27 -0.39, 61.46 -0.36, 61.29 18.57 80
7 10/19/2025 21:03:04 -0.43, 61.47 -1.38, 65.82 495.21 80
8 10/21/2025 09:27:40 0.36, 61.48 0.13, 60.54 108.21 80
9 10/22/2025 09:06:18 0.40, 61.49 1.21, 65.05 406.40 80
10 10/23/2025 21:30:46 -0.32, 61.51 0.05, 59.80 194.68 80
11 10/24/2025 21:09:23 -0.37, 61.53 -0.97, 64.33 318.31 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/10/2025
SNOs_Map_GOES-15_NPP_20251011.jpg

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

Historical Predications of SNOs between GOES-15 and NPP