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: 7/25/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/26/2025 07:25:21 -0.09, -89.47 -0.13, -89.21 29.30 80
2 07/28/2025 19:25:53 0.10, -89.52 0.01, -89.99 53.03 80
3 07/29/2025 19:09:49 0.09, -89.52 1.03, -85.45 464.36 80
4 07/31/2025 07:28:56 -0.10, -89.49 0.16, -90.71 139.01 80
5 08/01/2025 07:12:52 -0.10, -89.50 -0.87, -86.18 378.48 80
6 08/02/2025 19:32:08 0.11, -89.55 -0.33, -91.48 220.37 80
7 08/03/2025 19:16:04 0.11, -89.55 0.70, -86.95 297.07 80
8 08/05/2025 07:35:11 -0.13, -89.52 0.48, -92.21 306.25 80
9 08/06/2025 07:19:06 -0.13, -89.53 -0.55, -87.68 211.26 80
10 08/07/2025 19:38:23 0.14, -89.58 -0.65, -92.98 387.40 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/25/2025
SNOs_Map_GOES-17_NPP_20250726.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/25/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP