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: 7/27/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/28/2025 19:25:53 0.10, -89.51 -0.04, -89.97 53.28 80
2 07/29/2025 19:09:48 0.09, -89.52 0.99, -85.44 464.08 80
3 07/31/2025 07:28:56 -0.10, -89.49 0.15, -90.72 139.33 80
4 08/01/2025 07:12:51 -0.10, -89.49 -0.82, -86.17 378.09 80
5 08/02/2025 19:32:08 0.11, -89.54 -0.32, -91.48 221.03 80
6 08/03/2025 19:16:04 0.11, -89.55 0.71, -86.95 296.33 80
7 08/05/2025 07:35:11 -0.13, -89.52 0.47, -92.21 306.99 80
8 08/06/2025 07:19:07 -0.13, -89.52 -0.56, -87.68 210.44 80
9 08/07/2025 19:38:23 0.14, -89.57 -0.63, -92.98 388.51 80
10 08/08/2025 19:22:18 0.14, -89.58 0.40, -88.45 129.17 80
11 08/10/2025 07:41:26 -0.15, -89.55 0.77, -93.71 473.35 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/27/2025
SNOs_Map_GOES-17_NPP_20250728.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/27/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP