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: 7/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/22/2025 09:29:34 0.39, 61.30 -0.08, 59.09 251.42 80
2 07/23/2025 09:13:28 0.38, 61.31 0.88, 63.63 264.53 80
3 07/24/2025 21:32:37 -0.41, 61.40 0.27, 58.37 345.71 80
4 07/25/2025 21:16:32 -0.40, 61.41 -0.75, 62.90 170.08 80
5 07/27/2025 09:35:48 0.42, 61.35 -0.45, 57.60 428.29 80
6 07/28/2025 09:19:44 0.41, 61.36 0.57, 62.13 87.86 80
7 07/30/2025 21:20:07 -0.42, 61.45 -0.39, 61.41 6.27 80
8 08/02/2025 09:23:20 0.44, 61.42 0.28, 60.63 89.88 80
9 08/03/2025 09:07:14 0.43, 61.43 1.25, 65.17 425.43 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/21/2025
SNOs_Map_GOES-15_NPP_20250722.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/21/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP