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: 10/19/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/20/2025 07:11:56 -0.22, -89.49 -0.95, -86.32 361.94 80
2 10/21/2025 19:36:32 0.19, -89.53 -0.30, -91.61 237.81 80
3 10/22/2025 19:15:09 0.20, -89.54 0.73, -87.08 279.05 80
4 10/24/2025 07:39:38 -0.17, -89.52 0.47, -92.35 322.18 80
5 10/25/2025 07:18:15 -0.19, -89.53 -0.57, -87.82 194.09 80
6 10/26/2025 19:42:51 0.16, -89.55 -0.66, -93.11 406.17 80
7 10/27/2025 19:21:27 0.18, -89.56 0.37, -88.58 110.74 80
8 10/29/2025 07:45:57 -0.15, -89.56 0.81, -93.85 489.32 80
9 10/30/2025 07:24:33 -0.17, -89.56 -0.23, -89.33 27.23 80
10 11/01/2025 19:30:26 0.15, -89.60 0.06, -90.09 55.51 80
11 11/02/2025 19:09:03 0.18, -89.62 1.11, -85.57 462.04 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/19/2025
SNOs_Map_GOES-17_NPP_20251020.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/19/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP