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: 1/10/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/11/2025 09:28:11 0.02, 61.49 -0.57, 58.99 285.35 80
2 01/12/2025 09:12:07 0.01, 61.49 0.47, 63.51 230.42 80
3 01/13/2025 21:33:57 -0.01, 61.39 0.67, 58.24 359.39 80
4 01/14/2025 21:12:32 -0.01, 61.41 -0.31, 62.77 155.66 80
5 01/16/2025 09:34:29 0.01, 61.54 -0.88, 57.47 463.25 80
6 01/17/2025 09:18:25 0.01, 61.54 0.11, 62.00 52.39 80
7 01/19/2025 21:21:30 -0.01, 61.45 0.04, 61.26 21.42 80
8 01/20/2025 21:00:05 -0.01, 61.46 -0.95, 65.80 493.53 80
9 01/22/2025 09:22:02 0.01, 61.60 -0.27, 60.50 126.06 80
10 01/23/2025 09:05:58 -0.00, 61.61 0.79, 65.02 389.24 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 1/10/2025
SNOs_Map_GOES-15_NPP_20250111.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 01/10/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP