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: 8/18/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/19/2025 09:07:12 0.52, 61.62 1.32, 65.23 411.08 80
2 08/20/2025 21:28:58 -0.53, 61.72 -0.12, 59.98 199.44 80
3 08/21/2025 21:07:33 -0.53, 61.74 -1.16, 64.50 315.22 80
4 08/23/2025 09:29:30 0.53, 61.70 -0.02, 59.21 284.17 80
5 08/24/2025 09:13:24 0.53, 61.71 0.96, 63.75 231.20 80
6 08/25/2025 21:35:10 -0.54, 61.80 0.23, 58.49 377.87 80
7 08/26/2025 21:13:46 -0.54, 61.83 -0.81, 63.02 136.68 80
8 08/28/2025 09:35:42 0.54, 61.80 -0.37, 57.72 464.08 80
9 08/29/2025 09:19:37 0.54, 61.82 0.62, 62.26 50.76 80
10 08/31/2025 21:22:39 -0.54, 61.93 -0.48, 61.54 44.48 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/18/2025
SNOs_Map_GOES-15_NPP_20250819.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/18/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP