Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/13/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/14/2025 07:24:19 -0.22, -89.48 -0.24, -89.34 15.68 80
2 10/16/2025 19:30:13 0.21, -89.51 0.05, -90.11 68.37 80
3 10/17/2025 19:08:50 0.23, -89.52 1.13, -85.59 448.45 80
4 10/19/2025 07:33:19 -0.20, -89.50 0.13, -90.84 153.41 80
5 10/20/2025 07:11:56 -0.22, -89.51 -0.95, -86.33 363.18 80
6 10/21/2025 19:36:32 0.19, -89.55 -0.29, -91.61 236.13 80
7 10/22/2025 19:15:09 0.20, -89.56 0.74, -87.09 281.08 80
8 10/24/2025 07:39:38 -0.17, -89.55 0.46, -92.35 319.53 80
9 10/25/2025 07:18:15 -0.19, -89.56 -0.57, -87.82 197.07 80
10 10/26/2025 19:42:51 0.16, -89.59 -0.66, -93.11 402.78 80
11 10/27/2025 19:21:28 0.18, -89.60 0.38, -88.59 114.50 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/13/2025
SNOs_Map_GOES-17_NPP_20251014.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/13/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP