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: 7/23/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/24/2025 21:32:37 -0.41, 61.39 0.25, 58.36 345.36 80
2 07/25/2025 21:16:31 -0.40, 61.40 -0.71, 62.91 170.56 80
3 07/27/2025 09:35:49 0.42, 61.35 -0.42, 57.60 427.54 80
4 07/28/2025 09:19:44 0.41, 61.35 0.60, 62.13 88.71 80
5 07/30/2025 21:22:47 -0.43, 61.44 -0.43, 61.40 5.00 80
6 08/02/2025 09:23:19 0.44, 61.41 0.26, 60.63 88.46 80
7 08/03/2025 09:07:14 0.44, 61.42 1.28, 65.17 426.94 80
8 08/04/2025 21:26:22 -0.46, 61.51 -0.10, 59.90 183.35 80
9 08/05/2025 21:10:17 -0.46, 61.53 -1.13, 64.44 331.34 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/23/2025
SNOs_Map_GOES-15_NPP_20250724.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/23/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP