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: 10/31/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/01/2025 09:18:52 0.28, 61.61 0.38, 62.08 53.78 80
2 11/03/2025 21:24:37 -0.24, 61.64 -0.19, 61.35 31.81 80
3 11/04/2025 21:03:14 -0.28, 61.66 -1.23, 65.88 481.07 80
4 11/06/2025 09:27:49 0.19, 61.71 -0.04, 60.60 125.55 80
5 11/07/2025 09:06:26 0.24, 61.72 1.01, 65.13 387.90 80
6 11/08/2025 21:30:53 -0.15, 61.74 0.27, 59.88 211.74 80
7 11/09/2025 21:09:29 -0.20, 61.77 -0.79, 64.41 300.24 80
8 11/11/2025 09:34:05 0.11, 61.84 -0.47, 59.13 308.74 80
9 11/12/2025 09:12:41 0.17, 61.86 0.58, 63.65 204.44 80
10 11/13/2025 21:37:08 -0.08, 61.86 0.69, 58.40 393.28 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/31/2025
SNOs_Map_GOES-15_NPP_20251101.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/31/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP