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: 7/11/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/12/2025 09:19:41 0.31, 61.25 0.51, 62.10 96.60 80
2 07/14/2025 21:22:45 -0.33, 61.33 -0.34, 61.37 4.19 80
3 07/17/2025 09:23:17 0.34, 61.29 0.16, 60.60 78.88 80
4 07/18/2025 09:07:12 0.33, 61.30 1.17, 65.14 437.05 80
5 07/19/2025 21:26:21 -0.37, 61.38 -0.00, 59.87 172.57 80
6 07/20/2025 21:10:16 -0.36, 61.40 -1.02, 64.40 342.52 80
7 07/22/2025 09:29:33 0.39, 61.36 -0.11, 59.09 258.61 80
8 07/23/2025 09:13:29 0.38, 61.38 0.90, 63.63 256.50 80
9 07/24/2025 21:32:37 -0.41, 61.46 0.26, 58.36 353.13 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/11/2025
SNOs_Map_GOES-15_NPP_20250712.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/11/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP