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: 12/23/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/24/2025 19:37:59 -0.26, -89.49 -0.74, -91.58 238.46 80
2 12/25/2025 19:16:36 -0.23, -89.49 0.29, -87.06 276.96 80
3 12/27/2025 07:41:05 0.28, -89.51 0.93, -92.32 319.84 80
4 12/28/2025 07:19:43 0.25, -89.51 -0.11, -87.79 195.23 80
5 12/29/2025 19:44:22 -0.31, -89.48 -1.10, -93.10 411.15 80
6 12/30/2025 19:23:00 -0.29, -89.48 -0.06, -88.57 104.43 80
7 01/01/2026 07:47:28 0.34, -89.51 1.33, -93.82 491.68 80
8 01/02/2026 07:26:06 0.32, -89.51 0.29, -89.30 23.43 80
9 01/04/2026 19:32:01 -0.35, -89.48 -0.50, -90.07 67.75 80
10 01/05/2026 19:10:39 -0.32, -89.49 0.54, -85.55 448.38 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 12/23/2025
SNOs_Map_GOES-17_NPP_20251224.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 12/23/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP