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: 3/6/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/07/2025 21:39:56 0.08, 61.26 1.06, 56.90 497.44 80
2 03/08/2025 21:18:31 0.09, 61.26 0.03, 61.43 20.16 80
3 03/11/2025 09:24:19 -0.09, 61.35 -0.24, 60.69 75.08 80
4 03/12/2025 09:02:53 -0.09, 61.34 0.80, 65.22 442.49 80
5 03/13/2025 21:24:40 0.10, 61.25 0.36, 59.96 146.12 80
6 03/14/2025 21:05:53 0.10, 61.24 -0.62, 64.50 371.43 80
7 03/16/2025 09:30:27 -0.10, 61.33 -0.56, 59.21 241.40 80
8 03/17/2025 09:09:01 -0.10, 61.33 0.43, 63.76 275.84 80
9 03/18/2025 21:30:47 0.10, 61.24 0.71, 58.49 313.54 80
10 03/19/2025 21:14:41 0.10, 61.25 -0.28, 63.04 203.41 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 3/6/2025
SNOs_Map_GOES-15_NPP_20250307.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 03/06/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP