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: 10/24/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/26/2025 09:33:59 0.29, 61.53 -0.24, 59.04 283.36 80
2 10/27/2025 09:12:35 0.34, 61.54 0.79, 63.57 230.75 80
3 10/28/2025 21:37:03 -0.26, 61.56 0.45, 58.32 369.85 80
4 10/29/2025 21:15:40 -0.31, 61.59 -0.59, 62.84 142.93 80
5 10/31/2025 09:40:15 0.23, 61.63 -0.69, 57.56 463.67 80
6 11/01/2025 09:18:52 0.28, 61.64 0.35, 62.09 50.17 80
7 11/03/2025 21:24:37 -0.23, 61.68 -0.16, 61.36 36.50 80
8 11/04/2025 21:03:13 -0.28, 61.71 -1.21, 65.88 475.69 80
9 11/06/2025 09:27:48 0.19, 61.77 -0.05, 60.60 132.62 80
10 11/07/2025 09:06:25 0.24, 61.80 1.00, 65.13 380.13 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/24/2025
SNOs_Map_GOES-15_NPP_20251025.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/24/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP