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: 8/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/18/2025 19:32:06 0.17, -89.52 -0.26, -91.42 217.12 80
2 08/19/2025 19:16:01 0.17, -89.52 0.78, -86.89 299.91 80
3 08/21/2025 07:37:48 -0.18, -89.48 0.42, -92.15 304.30 80
4 08/22/2025 07:19:03 -0.18, -89.48 -0.62, -87.62 213.19 80
5 08/23/2025 19:38:20 0.19, -89.54 -0.57, -92.92 384.48 80
6 08/24/2025 19:22:14 0.18, -89.55 0.42, -88.37 133.68 80
7 08/26/2025 07:44:01 -0.19, -89.53 0.72, -93.64 468.78 80
8 08/27/2025 07:22:36 -0.19, -89.54 -0.27, -89.10 49.44 80
9 08/29/2025 19:25:48 0.19, -89.61 0.14, -89.87 29.32 80
10 08/30/2025 19:09:43 0.19, -89.63 1.19, -85.34 489.02 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 8/17/2025
SNOs_Map_GOES-17_NPP_20250818.jpg

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

Historical Predications of SNOs between GOES-17 and NPP