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: 8/31/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/03/2025 09:23:48 0.55, 61.46 0.36, 60.61 96.95 80
2 09/04/2025 09:07:46 0.56, 61.45 1.38, 65.14 420.12 80
3 09/05/2025 21:29:36 -0.55, 61.48 -0.19, 59.86 184.11 80
4 09/06/2025 21:08:13 -0.56, 61.47 -1.21, 64.39 332.18 80
5 09/08/2025 09:30:14 0.55, 61.41 0.04, 59.07 266.77 80
6 09/09/2025 09:14:11 0.56, 61.40 1.07, 63.59 250.06 80
7 09/10/2025 21:36:01 -0.54, 61.43 0.17, 58.33 353.60 80
8 09/11/2025 21:14:38 -0.55, 61.43 -0.86, 62.86 161.95 80
9 09/13/2025 09:36:37 0.53, 61.40 -0.35, 57.55 439.24 80
10 09/14/2025 09:20:35 0.55, 61.39 0.69, 62.07 76.56 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/31/2025
SNOs_Map_GOES-15_NPP_20250901.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/31/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP