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: 7/29/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/30/2025 21:20:07 -0.43, 61.44 -0.41, 61.40 4.33 80
2 08/02/2025 09:23:19 0.44, 61.40 0.24, 60.64 87.81 80
3 08/03/2025 09:07:14 0.44, 61.42 1.27, 65.17 427.71 80
4 08/04/2025 21:26:21 -0.46, 61.51 -0.09, 59.91 182.45 80
5 08/05/2025 21:10:17 -0.46, 61.53 -1.12, 64.44 332.30 80
6 08/07/2025 09:29:33 0.48, 61.49 -0.07, 59.14 268.59 80
7 08/08/2025 09:13:29 0.47, 61.51 0.96, 63.67 246.31 80
8 08/09/2025 21:35:16 -0.49, 61.60 0.21, 58.41 363.57 80
9 08/10/2025 21:16:31 -0.48, 61.63 -0.77, 62.95 150.85 80
10 08/12/2025 09:35:48 0.50, 61.61 -0.36, 57.64 451.14 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/29/2025
SNOs_Map_GOES-15_NPP_20250730.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/29/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP