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: 3/10/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/11/2025 09:24:19 -0.09, 61.35 -0.22, 60.68 74.85 80
2 03/12/2025 09:02:53 -0.10, 61.34 0.76, 65.23 442.81 80
3 03/13/2025 21:24:39 0.10, 61.25 0.39, 59.97 146.14 80
4 03/14/2025 21:05:53 0.10, 61.24 -0.66, 64.50 371.41 80
5 03/16/2025 09:30:27 -0.10, 61.33 -0.58, 59.22 240.99 80
6 03/17/2025 09:09:01 -0.10, 61.33 0.46, 63.75 276.29 80
7 03/18/2025 21:30:47 0.10, 61.25 0.73, 58.50 313.46 80
8 03/19/2025 21:14:41 0.10, 61.25 -0.32, 63.03 203.53 80
9 03/21/2025 09:36:34 -0.10, 61.35 -0.91, 57.75 409.95 80
10 03/22/2025 09:15:08 -0.11, 61.35 0.09, 62.29 106.55 80
11 03/23/2025 21:36:53 0.11, 61.28 1.09, 57.04 484.49 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 3/10/2025
SNOs_Map_GOES-15_NPP_20250311.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 03/10/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP