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: 7/22/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/22/2025 19:41:14 0.09, -89.52 0.00, -93.17 407.07 80
2 07/23/2025 19:22:18 0.08, -89.51 0.31, -88.48 117.14 80
3 07/25/2025 07:41:26 -0.09, -89.47 0.84, -93.75 487.54 80
4 07/26/2025 07:25:21 -0.09, -89.47 -0.12, -89.21 29.54 80
5 07/28/2025 19:25:53 0.10, -89.52 0.01, -89.99 52.40 80
6 07/29/2025 19:09:49 0.09, -89.53 1.03, -85.45 465.12 80
7 07/31/2025 07:28:56 -0.10, -89.50 0.16, -90.71 138.10 80
8 08/01/2025 07:12:52 -0.10, -89.51 -0.86, -86.18 379.52 80
9 08/02/2025 19:32:08 0.11, -89.56 -0.33, -91.48 219.06 80
10 08/03/2025 19:16:04 0.11, -89.57 0.69, -86.95 298.52 80
11 08/05/2025 07:35:11 -0.12, -89.54 0.49, -92.21 304.68 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/22/2025
SNOs_Map_GOES-17_NPP_20250723.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/22/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP