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: 10/14/2025
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 -0.47, 57.50 445.78 80
2 10/16/2025 09:18:41 0.43, 61.42 0.55, 62.03 69.28 80
3 10/18/2025 21:24:27 -0.39, 61.45 -0.36, 61.30 18.01 80
4 10/19/2025 21:03:04 -0.43, 61.47 -1.38, 65.82 495.85 80
5 10/21/2025 09:27:40 0.36, 61.47 0.13, 60.54 106.94 80
6 10/22/2025 09:06:18 0.40, 61.48 1.21, 65.05 407.76 80
7 10/23/2025 21:30:46 -0.33, 61.50 0.04, 59.80 193.69 80
8 10/24/2025 21:09:22 -0.37, 61.52 -0.98, 64.33 319.38 80
9 10/26/2025 09:33:59 0.29, 61.55 -0.25, 59.04 286.03 80
10 10/27/2025 09:12:35 0.34, 61.57 0.78, 63.57 227.78 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/14/2025
SNOs_Map_GOES-15_NPP_20251015.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/14/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP