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: 10/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/22/2025 09:06:17 0.40, 61.48 1.19, 65.06 407.91 80
2 10/23/2025 21:30:45 -0.33, 61.51 0.06, 59.81 194.70 80
3 10/24/2025 21:09:22 -0.37, 61.54 -0.97, 64.34 317.51 80
4 10/26/2025 09:33:58 0.29, 61.59 -0.26, 59.05 289.45 80
5 10/27/2025 09:12:35 0.34, 61.61 0.77, 63.57 223.46 80
6 10/28/2025 21:37:03 -0.26, 61.64 0.47, 58.32 378.43 80
7 10/29/2025 21:15:40 -0.31, 61.68 -0.56, 62.84 133.15 80
8 10/31/2025 09:40:15 0.23, 61.74 -0.71, 57.57 475.84 80
9 11/01/2025 09:18:51 0.28, 61.77 0.33, 62.09 36.77 80
10 11/03/2025 21:24:36 -0.23, 61.82 -0.14, 61.36 52.36 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/21/2025
SNOs_Map_GOES-15_NPP_20251022.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/21/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP