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: 7/31/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/02/2025 09:23:19 0.44, 61.40 0.25, 60.64 87.36 80
2 08/03/2025 09:07:14 0.44, 61.41 1.27, 65.17 428.22 80
3 08/04/2025 21:26:21 -0.46, 61.50 -0.09, 59.91 181.73 80
4 08/05/2025 21:10:17 -0.46, 61.52 -1.13, 64.44 333.08 80
5 08/07/2025 09:29:33 0.48, 61.49 -0.07, 59.14 267.81 80
6 08/08/2025 09:13:29 0.47, 61.51 0.96, 63.67 247.16 80
7 08/09/2025 21:35:16 -0.49, 61.59 0.21, 58.41 362.48 80
8 08/10/2025 21:15:22 -0.48, 61.62 -0.77, 62.95 152.00 11
9 08/12/2025 09:35:48 0.50, 61.60 -0.36, 57.64 450.02 80
10 08/13/2025 09:19:42 0.49, 61.62 0.61, 62.19 64.64 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/31/2025
SNOs_Map_GOES-15_NPP_20250801.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/31/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP