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: 7/14/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/17/2025 09:23:17 0.34, 61.27 0.18, 60.60 77.05 80
2 07/18/2025 09:07:12 0.33, 61.28 1.19, 65.13 439.12 80
3 07/19/2025 21:26:21 -0.37, 61.36 -0.03, 59.87 170.62 80
4 07/20/2025 21:10:16 -0.36, 61.38 -1.04, 64.40 344.76 80
5 07/22/2025 09:29:34 0.39, 61.33 -0.09, 59.09 255.32 80
6 07/23/2025 09:13:28 0.38, 61.35 0.87, 63.63 260.11 80
7 07/24/2025 21:32:36 -0.41, 61.43 0.29, 58.37 349.64 80
8 07/25/2025 21:16:32 -0.40, 61.45 -0.73, 62.90 165.62 80
9 07/27/2025 09:35:48 0.42, 61.41 -0.46, 57.60 434.83 80
10 07/28/2025 09:19:44 0.41, 61.42 0.56, 62.13 80.80 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/14/2025
SNOs_Map_GOES-15_NPP_20250715.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/14/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP