Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/3/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 07/04/2025 21:29:59 -0.27, 61.29 0.39, 58.24 347.75 80
2 07/05/2025 21:13:55 -0.26, 61.29 -0.57, 62.77 167.82 80
3 07/07/2025 09:33:15 0.29, 61.24 -0.57, 57.45 432.96 80
4 07/08/2025 09:17:13 0.28, 61.25 0.45, 61.97 82.29 80
5 07/10/2025 21:20:22 -0.31, 61.33 -0.30, 61.21 13.37 80
6 07/13/2025 09:20:59 0.32, 61.30 0.13, 60.42 100.22 80
7 07/14/2025 09:04:56 0.31, 61.31 1.15, 64.94 414.59 80
8 07/15/2025 21:24:06 -0.34, 61.38 0.07, 59.67 195.99 80
9 07/16/2025 21:08:04 -0.32, 61.40 -0.96, 64.19 318.39 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/3/2025
SNOs_Map_GOES-15_NOAA-20_20250704.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 07/03/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20