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: 7/8/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/08/2025 21:33:53 -0.31, 61.30 0.33, 58.33 337.84 0
2 07/09/2025 21:16:28 -0.29, 61.31 -0.62, 62.88 178.39 80
3 07/11/2025 09:35:45 0.33, 61.26 -0.51, 57.57 420.97 80
4 07/12/2025 09:19:41 0.31, 61.27 0.50, 62.10 95.20 80
5 07/14/2025 21:20:05 -0.33, 61.35 -0.33, 61.37 2.53 80
6 07/17/2025 09:23:18 0.34, 61.32 0.21, 60.59 81.98 80
7 07/18/2025 09:07:12 0.33, 61.33 1.17, 65.14 433.62 80
8 07/19/2025 21:26:20 -0.37, 61.41 0.01, 59.87 176.04 80
9 07/20/2025 21:10:16 -0.36, 61.43 -1.01, 64.40 338.74 80
10 07/22/2025 09:29:33 0.39, 61.41 -0.12, 59.09 263.36 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/8/2025
SNOs_Map_GOES-15_NPP_20250709.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/08/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP