Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/26/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/27/2025 09:35:49 0.42, 61.34 -0.43, 57.60 427.28 80
2 07/28/2025 09:19:44 0.41, 61.35 0.59, 62.13 89.05 80
3 07/30/2025 21:20:08 -0.43, 61.44 -0.42, 61.40 4.35 79
4 08/02/2025 09:23:19 0.44, 61.40 0.25, 60.64 87.70 80
5 08/03/2025 09:07:14 0.44, 61.41 1.28, 65.17 427.81 80
6 08/04/2025 21:26:22 -0.46, 61.50 -0.09, 59.91 182.35 80
7 08/05/2025 21:10:17 -0.46, 61.52 -1.12, 64.44 332.41 80
8 08/07/2025 09:29:33 0.48, 61.49 -0.07, 59.14 268.38 80
9 08/08/2025 09:13:29 0.47, 61.51 0.96, 63.67 246.53 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/26/2025
SNOs_Map_GOES-15_NPP_20250727.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/26/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP