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: 3/24/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/27/2025 09:23:53 -0.11, 61.31 -0.21, 60.83 54.68 80
2 03/28/2025 09:05:06 -0.11, 61.32 0.82, 65.37 462.62 80
3 03/29/2025 21:24:11 0.11, 61.26 0.36, 60.12 129.74 80
4 03/30/2025 21:08:04 0.11, 61.27 -0.68, 64.66 387.36 80
5 04/01/2025 09:27:16 -0.11, 61.34 -0.56, 59.38 223.45 80
6 04/02/2025 09:11:10 -0.11, 61.35 0.48, 63.92 293.15 80
7 04/03/2025 21:30:13 0.11, 61.31 0.73, 58.68 300.57 80
8 04/04/2025 21:14:07 0.12, 61.32 -0.32, 63.21 216.01 80
9 04/06/2025 09:33:19 -0.11, 61.40 -0.89, 57.93 395.12 80
10 04/07/2025 09:17:12 -0.12, 61.41 0.11, 62.48 121.40 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 3/24/2025
SNOs_Map_GOES-15_NPP_20250325.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 03/24/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP