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: 10/13/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/15/2025 09:40:05 0.39, 61.42 -0.48, 57.50 445.89 80
2 10/16/2025 09:18:41 0.43, 61.42 0.54, 62.03 69.19 80
3 10/18/2025 21:24:27 -0.39, 61.45 -0.36, 61.30 17.98 80
4 10/19/2025 21:03:05 -0.43, 61.47 -1.44, 65.81 495.89 80
5 10/21/2025 09:27:40 0.36, 61.47 0.13, 60.54 106.98 80
6 10/22/2025 09:06:18 0.40, 61.48 1.22, 65.05 407.74 80
7 10/23/2025 21:30:46 -0.32, 61.50 0.04, 59.80 193.57 80
8 10/24/2025 21:09:22 -0.37, 61.52 -0.99, 64.33 319.52 80
9 10/26/2025 09:33:58 0.29, 61.55 -0.30, 59.05 285.97 80
10 10/27/2025 09:12:35 0.34, 61.57 0.79, 63.56 227.88 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/13/2025
SNOs_Map_GOES-15_NPP_20251014.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/13/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP