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: 9/8/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/08/2025 19:39:03 0.22, -89.52 -0.60, -93.03 401.02 80
2 09/09/2025 19:23:00 0.22, -89.53 0.42, -88.51 115.21 80
3 09/11/2025 07:44:51 -0.22, -89.49 0.76, -93.78 489.48 80
4 09/12/2025 07:23:28 -0.22, -89.49 -0.27, -89.26 26.30 80
5 09/14/2025 19:26:45 0.23, -89.53 0.08, -90.04 59.10 80
6 09/15/2025 19:10:43 0.23, -89.54 1.11, -85.52 457.10 80
7 09/17/2025 07:32:33 -0.23, -89.51 0.07, -90.79 147.04 80
8 09/18/2025 07:11:11 -0.24, -89.51 -0.96, -86.27 369.26 80
9 09/19/2025 19:33:10 0.24, -89.56 -0.23, -91.58 230.73 80
10 09/20/2025 19:17:07 0.24, -89.57 0.80, -87.06 286.47 80
11 09/22/2025 07:38:58 -0.23, -89.56 0.38, -92.33 315.59 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/8/2025
SNOs_Map_GOES-17_NPP_20250909.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/08/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP