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: 9/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/21/2025 21:30:08 -0.53, 61.36 -0.20, 59.79 178.71 80
2 09/22/2025 21:08:45 -0.55, 61.37 -1.24, 64.31 336.43 80
3 09/24/2025 09:33:23 0.52, 61.33 -0.00, 59.02 263.66 80
4 09/25/2025 09:12:01 0.54, 61.33 1.04, 63.54 252.02 80
5 09/26/2025 21:36:30 -0.50, 61.37 0.20, 58.28 352.23 80
6 09/27/2025 21:15:08 -0.53, 61.38 -0.84, 62.80 161.99 80
7 09/29/2025 09:39:46 0.48, 61.36 -0.38, 57.50 440.42 80
8 09/30/2025 09:18:24 0.51, 61.37 0.66, 62.02 74.38 80
9 10/02/2025 21:24:10 -0.50, 61.42 -0.47, 61.28 15.58 80
10 10/03/2025 21:02:48 -0.52, 61.43 -1.52, 65.80 497.99 80
11 10/05/2025 09:27:25 0.48, 61.43 0.26, 60.51 105.35 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/21/2025
SNOs_Map_GOES-15_NPP_20250922.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/21/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP