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: 8/23/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/24/2025 09:13:25 0.54, 61.62 0.98, 63.75 241.11 80
2 08/25/2025 21:35:12 -0.54, 61.65 0.15, 58.48 361.57 80
3 08/26/2025 21:13:46 -0.54, 61.64 -0.83, 63.02 156.97 80
4 08/28/2025 09:35:43 0.54, 61.56 -0.35, 57.72 438.00 80
5 08/29/2025 09:19:38 0.54, 61.54 0.70, 62.25 80.72 80
6 08/31/2025 21:22:40 -0.55, 61.56 -0.56, 61.52 4.73 80
7 09/03/2025 09:23:11 0.55, 61.49 0.38, 60.76 83.42 80
8 09/04/2025 09:07:06 0.56, 61.48 1.43, 65.29 434.39 80
9 09/05/2025 21:28:53 -0.55, 61.52 -0.24, 60.03 168.75 80
10 09/06/2025 21:07:27 -0.56, 61.51 -1.23, 64.57 348.28 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/23/2025
SNOs_Map_GOES-15_NPP_20250824.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/23/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP