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: 6/26/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/26/2025 09:19:34 0.21, 61.24 0.37, 62.10 96.55 80
2 06/28/2025 21:21:29 -0.22, 61.30 -0.22, 61.36 6.03 10
3 07/01/2025 09:23:12 0.24, 61.24 0.09, 60.58 74.85 80
4 07/02/2025 09:07:07 0.22, 61.24 1.10, 65.12 442.16 80
5 07/03/2025 21:26:17 -0.26, 61.30 0.05, 59.84 165.64 80
6 07/04/2025 21:10:12 -0.25, 61.30 -0.96, 64.38 350.98 80
7 07/06/2025 09:29:28 0.28, 61.25 -0.23, 59.08 248.00 80
8 07/07/2025 09:13:24 0.27, 61.25 0.78, 63.61 268.27 80
9 07/08/2025 21:32:33 -0.31, 61.32 0.36, 58.34 340.58 80
10 07/09/2025 21:16:29 -0.29, 61.33 -0.64, 62.87 175.18 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 6/26/2025
SNOs_Map_GOES-15_NPP_20250626.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 06/26/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP