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: 11/19/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/20/2025 07:33:36 -0.03, -89.50 0.25, -90.74 141.65 80
2 11/21/2025 07:12:14 -0.05, -89.50 -0.80, -86.23 373.07 80
3 11/22/2025 19:36:53 0.00, -89.50 -0.47, -91.52 230.53 80
4 11/23/2025 19:15:31 0.03, -89.50 0.58, -87.00 284.81 80
5 11/25/2025 07:40:01 0.02, -89.50 0.67, -92.26 315.02 80
6 11/26/2025 07:18:40 -0.01, -89.50 -0.39, -87.75 199.97 80
7 11/27/2025 19:43:19 -0.04, -89.50 -0.83, -93.05 403.79 80
8 11/28/2025 19:21:58 -0.01, -89.51 0.24, -88.53 112.06 80
9 11/30/2025 07:46:28 0.06, -89.53 1.00, -93.80 485.99 80
10 12/01/2025 07:25:06 0.03, -89.53 -0.01, -89.27 29.48 80
11 12/03/2025 19:31:03 -0.07, -89.53 -0.20, -90.05 58.79 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 11/19/2025
SNOs_Map_GOES-17_NPP_20251120.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 11/19/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP