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: 8/15/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/16/2025 07:28:54 -0.16, -89.47 0.09, -90.66 134.79 80
2 08/17/2025 07:12:49 -0.16, -89.47 -0.90, -86.12 382.00 80
3 08/18/2025 19:32:06 0.17, -89.52 -0.24, -91.43 217.22 80
4 08/19/2025 19:16:01 0.17, -89.52 0.74, -86.89 299.85 80
5 08/21/2025 07:37:48 -0.18, -89.48 0.40, -92.15 304.04 80
6 08/22/2025 07:19:03 -0.18, -89.49 -0.59, -87.61 213.48 80
7 08/23/2025 19:38:20 0.19, -89.54 -0.54, -92.92 384.42 80
8 08/24/2025 19:22:14 0.18, -89.55 0.44, -88.38 133.75 80
9 08/26/2025 07:44:01 -0.19, -89.53 0.75, -93.64 468.35 80
10 08/27/2025 07:22:36 -0.19, -89.54 -0.30, -89.11 49.90 80
11 08/29/2025 19:25:47 0.19, -89.62 0.11, -89.87 29.17 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 8/15/2025
SNOs_Map_GOES-17_NPP_20250816.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 08/15/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP