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: 8/1/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/02/2025 09:23:19 0.44, 61.40 0.28, 60.63 87.26 80
2 08/03/2025 09:07:14 0.44, 61.41 1.25, 65.18 428.33 80
3 08/04/2025 21:26:22 -0.46, 61.50 -0.13, 59.90 181.51 80
4 08/05/2025 21:10:17 -0.46, 61.52 -1.10, 64.44 333.34 80
5 08/07/2025 09:29:34 0.48, 61.49 -0.03, 59.13 267.62 80
6 08/08/2025 09:13:28 0.47, 61.50 0.94, 63.68 247.38 80
7 08/09/2025 21:35:16 -0.49, 61.59 0.23, 58.41 362.12 80
8 08/10/2025 21:16:31 -0.48, 61.61 -0.80, 62.94 152.39 80
9 08/12/2025 09:35:48 0.50, 61.59 -0.39, 57.65 449.73 80
10 08/13/2025 09:19:43 0.49, 61.61 0.65, 62.18 65.01 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/1/2025
SNOs_Map_GOES-15_NPP_20250802.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/01/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP