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: 1/15/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/16/2025 09:34:29 0.01, 61.53 -0.88, 57.47 462.87 80
2 01/17/2025 09:18:25 0.01, 61.54 0.11, 62.01 52.72 80
3 01/19/2025 21:21:30 -0.02, 61.45 0.04, 61.26 21.72 80
4 01/20/2025 21:00:06 -0.01, 61.46 -1.01, 65.78 493.27 80
5 01/22/2025 09:22:02 0.01, 61.60 -0.22, 60.49 125.89 80
6 01/23/2025 09:05:58 -0.00, 61.61 0.78, 65.02 389.40 80
7 01/24/2025 21:27:46 0.01, 61.51 0.42, 59.76 200.42 80
8 01/25/2025 21:06:22 0.01, 61.54 -0.58, 64.29 313.63 80
9 01/27/2025 09:28:18 -0.00, 61.69 -0.62, 58.99 307.92 80
10 01/28/2025 09:12:14 -0.00, 61.71 0.39, 63.53 206.23 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 1/15/2025
SNOs_Map_GOES-15_NPP_20250115.jpg

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

Historical Predications of SNOs between GOES-15 and NPP