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: 8/13/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/14/2025 19:09:48 0.15, -89.52 1.09, -85.40 469.78 80
2 08/16/2025 07:28:54 -0.16, -89.47 0.12, -90.65 134.62 80
3 08/17/2025 07:12:49 -0.16, -89.47 -0.92, -86.12 382.13 80
4 08/18/2025 19:32:06 0.17, -89.52 -0.27, -91.42 217.49 80
5 08/19/2025 19:16:01 0.17, -89.52 0.77, -86.89 299.55 80
6 08/21/2025 07:37:47 -0.18, -89.48 0.43, -92.15 303.99 80
7 08/22/2025 07:19:03 -0.18, -89.49 -0.61, -87.62 213.51 80
8 08/23/2025 19:38:19 0.19, -89.54 -0.58, -92.92 384.79 80
9 08/24/2025 19:22:15 0.18, -89.55 0.47, -88.39 133.38 80
10 08/26/2025 07:44:01 -0.19, -89.53 0.73, -93.64 468.40 80
11 08/27/2025 07:22:36 -0.19, -89.54 -0.26, -89.10 49.88 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 8/13/2025
SNOs_Map_GOES-17_NPP_20250814.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 08/13/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP