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: 10/31/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/01/2025 19:30:26 0.15, -89.51 0.04, -90.09 65.57 80
2 11/02/2025 19:09:03 0.17, -89.51 1.09, -85.56 451.21 80
3 11/04/2025 07:33:31 -0.13, -89.51 0.14, -90.82 149.00 80
4 11/05/2025 07:12:07 -0.15, -89.51 -0.90, -86.29 367.19 80
5 11/06/2025 19:36:43 0.11, -89.52 -0.37, -91.57 233.80 80
6 11/07/2025 19:15:19 0.13, -89.53 0.68, -87.05 282.82 80
7 11/09/2025 07:39:48 -0.09, -89.53 0.54, -92.30 316.58 80
8 11/10/2025 07:18:24 -0.12, -89.53 -0.52, -87.78 199.64 80
9 11/11/2025 19:42:59 0.07, -89.54 -0.74, -93.06 401.42 80
10 11/12/2025 19:21:36 0.10, -89.56 0.31, -88.54 115.91 80
11 11/14/2025 07:46:04 -0.06, -89.58 0.90, -93.80 481.09 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/31/2025
SNOs_Map_GOES-17_NPP_20251101.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/31/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP