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: 10/1/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/02/2025 21:24:09 -0.50, 61.37 -0.46, 61.29 10.34 80
2 10/05/2025 09:27:24 0.48, 61.36 0.27, 60.51 97.38 80
3 10/06/2025 09:06:02 0.51, 61.37 1.34, 65.03 417.88 80
4 10/07/2025 21:30:30 -0.45, 61.40 -0.07, 59.78 184.88 80
5 10/08/2025 21:09:08 -0.48, 61.41 -1.14, 64.30 328.90 80
6 10/10/2025 09:33:44 0.43, 61.42 -0.14, 59.02 275.17 80
7 10/11/2025 09:12:21 0.46, 61.43 0.94, 63.53 239.08 80
8 10/12/2025 21:36:50 -0.40, 61.46 0.32, 58.28 363.45 80
9 10/13/2025 21:15:27 -0.44, 61.49 -0.76, 62.79 149.53 80
10 10/15/2025 09:40:04 0.38, 61.52 -0.49, 57.51 456.33 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/1/2025
SNOs_Map_GOES-15_NPP_20251002.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/01/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP