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: 12/3/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/05/2025 21:25:16 0.18, 61.45 0.19, 61.41 3.78 80
2 12/08/2025 09:28:32 -0.23, 61.48 -0.39, 60.64 95.85 80
3 12/09/2025 09:07:11 -0.17, 61.47 0.68, 65.15 419.96 80
4 12/10/2025 21:31:40 0.27, 61.40 0.58, 59.90 170.90 80
5 12/11/2025 21:10:18 0.21, 61.40 -0.44, 64.42 344.00 80
6 12/13/2025 09:34:56 -0.31, 61.45 -0.83, 59.13 264.13 80
7 12/14/2025 09:13:35 -0.26, 61.44 0.25, 63.64 251.66 80
8 12/15/2025 21:38:03 0.36, 61.36 1.05, 58.40 338.04 80
9 12/16/2025 21:16:42 0.31, 61.36 -0.03, 62.91 176.49 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 12/3/2025
SNOs_Map_GOES-15_NPP_20251204.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 12/03/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP