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: 7/27/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/28/2025 09:19:44 0.41, 61.35 0.58, 62.13 89.05 80
2 07/30/2025 21:20:07 -0.43, 61.44 -0.41, 61.41 4.62 80
3 08/02/2025 09:23:19 0.44, 61.40 0.29, 60.63 87.95 80
4 08/03/2025 09:07:14 0.44, 61.42 1.26, 65.17 427.55 80
5 08/04/2025 21:26:21 -0.46, 61.51 -0.08, 59.91 182.69 80
6 08/05/2025 21:10:17 -0.46, 61.53 -1.11, 64.44 332.05 80
7 08/07/2025 09:29:34 0.48, 61.50 -0.02, 59.13 268.83 80
8 08/08/2025 09:13:29 0.47, 61.51 0.95, 63.67 246.05 80
9 08/09/2025 21:35:16 -0.49, 61.60 0.23, 58.41 363.91 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/27/2025
SNOs_Map_GOES-15_NPP_20250728.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/27/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP