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: 7/7/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/08/2025 21:32:33 -0.31, 61.30 0.38, 58.34 337.86 80
2 07/09/2025 21:16:28 -0.29, 61.31 -0.63, 62.88 178.26 80
3 07/11/2025 09:35:46 0.33, 61.26 -0.50, 57.57 421.25 80
4 07/12/2025 09:19:41 0.31, 61.27 0.51, 62.10 94.88 80
5 07/14/2025 21:22:45 -0.33, 61.35 -0.35, 61.37 2.34 80
6 07/17/2025 09:23:17 0.34, 61.32 0.17, 60.60 82.51 80
7 07/18/2025 09:07:12 0.33, 61.34 1.18, 65.13 432.99 80
8 07/19/2025 21:26:21 -0.37, 61.42 -0.01, 59.87 176.63 80
9 07/20/2025 21:10:16 -0.36, 61.44 -1.03, 64.40 338.08 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/7/2025
SNOs_Map_GOES-15_NPP_20250708.jpg

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

Historical Predications of SNOs between GOES-15 and NPP