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: 11/22/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/22/2025 19:35:41 0.00, -89.50 0.00, -91.62 236.19 0
2 11/23/2025 19:15:32 0.03, -89.50 0.58, -87.00 284.79 80
3 11/25/2025 07:40:03 0.02, -89.50 0.63, -92.27 315.19 80
4 11/26/2025 07:18:42 -0.01, -89.50 -0.43, -87.76 199.77 80
5 11/27/2025 19:43:20 -0.04, -89.51 -0.86, -93.04 403.91 80
6 11/28/2025 19:21:58 -0.01, -89.51 0.19, -88.53 111.93 80
7 11/30/2025 07:46:30 0.06, -89.53 1.00, -93.80 486.28 80
8 12/01/2025 07:25:07 0.03, -89.53 0.00, -89.27 29.28 80
9 12/03/2025 19:31:05 -0.07, -89.54 -0.17, -90.06 59.05 80
10 12/04/2025 19:09:44 -0.04, -89.54 0.89, -85.54 456.79 80
11 12/06/2025 07:34:14 0.10, -89.56 0.35, -90.81 141.06 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 11/22/2025
SNOs_Map_GOES-17_NPP_20251123.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 11/22/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP