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: 12/4/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/05/2025 21:25:15 0.18, 61.45 0.20, 61.42 3.85 80
2 12/08/2025 09:28:32 -0.23, 61.48 -0.41, 60.64 95.56 80
3 12/09/2025 09:07:11 -0.17, 61.47 0.67, 65.15 420.23 80
4 12/10/2025 21:31:40 0.27, 61.40 0.59, 59.90 170.75 80
5 12/11/2025 21:10:19 0.21, 61.40 -0.49, 64.41 344.15 80
6 12/13/2025 09:34:56 -0.31, 61.45 -0.84, 59.13 263.76 80
7 12/14/2025 09:13:34 -0.26, 61.43 0.24, 63.65 252.05 80
8 12/15/2025 21:38:04 0.36, 61.36 1.00, 58.39 337.77 80
9 12/16/2025 21:16:41 0.31, 61.36 -0.03, 62.91 176.78 80
10 12/18/2025 09:41:19 -0.41, 61.43 -1.29, 57.63 433.55 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 12/4/2025
SNOs_Map_GOES-15_NPP_20251205.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 12/04/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP