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: 3/28/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/29/2025 21:24:24 0.11, 61.25 0.39, 60.07 134.73 80
2 03/30/2025 21:08:22 0.11, 61.25 -0.61, 64.59 380.73 80
3 04/01/2025 09:27:42 -0.11, 61.32 -0.57, 59.28 232.78 80
4 04/02/2025 09:11:40 -0.11, 61.33 0.44, 63.80 282.11 80
5 04/03/2025 21:30:51 0.11, 61.28 0.71, 58.52 314.06 80
6 04/04/2025 21:14:49 0.12, 61.28 -0.30, 63.04 200.84 80
7 04/06/2025 09:34:08 -0.11, 61.36 -0.92, 57.74 413.05 80
8 04/07/2025 09:18:05 -0.12, 61.37 0.10, 62.26 101.75 80
9 04/08/2025 21:37:16 0.11, 61.32 1.09, 56.99 494.67 80
10 04/09/2025 21:21:13 0.12, 61.33 0.07, 61.51 20.35 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 3/28/2025
SNOs_Map_GOES-15_NPP_20250329.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 03/28/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP