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: 4/28/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/29/2025 09:06:13 -0.09, 61.50 0.77, 65.19 421.52 80
2 04/30/2025 21:25:22 0.07, 61.50 0.41, 59.92 179.55 80
3 05/01/2025 21:09:19 0.08, 61.51 -0.59, 64.45 335.15 80
4 05/03/2025 09:28:37 -0.07, 61.56 -0.62, 59.14 275.36 80
5 05/04/2025 09:12:34 -0.08, 61.57 0.39, 63.67 239.20 80
6 05/05/2025 21:31:43 0.06, 61.58 0.78, 58.40 362.32 80
7 05/06/2025 21:15:39 0.07, 61.59 -0.23, 62.93 152.52 80
8 05/08/2025 09:34:58 -0.05, 61.63 -0.97, 57.63 457.37 80
9 05/09/2025 09:18:54 -0.06, 61.65 0.05, 62.15 57.10 80
10 05/11/2025 21:19:20 0.05, 61.68 0.10, 61.41 31.10 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/28/2025
SNOs_Map_GOES-15_NPP_20250429.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/28/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP