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: 7/12/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 07/13/2025 09:20:52 0.32, 61.26 0.15, 60.44 92.70 80
2 07/14/2025 09:04:48 0.31, 61.26 1.16, 64.97 423.67 80
3 07/15/2025 21:23:56 -0.34, 61.34 0.00, 59.70 185.49 80
4 07/16/2025 21:07:51 -0.32, 61.34 -0.95, 64.25 330.43 80
5 07/18/2025 09:27:08 0.35, 61.29 -0.20, 58.94 269.40 80
6 07/19/2025 09:11:03 0.34, 61.30 0.81, 63.47 246.20 80
7 07/20/2025 21:30:12 -0.38, 61.39 0.34, 58.20 363.81 80
8 07/21/2025 21:14:07 -0.37, 61.40 -0.67, 62.73 151.04 80
9 07/23/2025 09:33:25 0.40, 61.37 -0.48, 57.42 450.51 80
10 07/24/2025 09:17:20 0.39, 61.39 0.54, 61.95 64.59 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/12/2025
SNOs_Map_GOES-15_NOAA-20_20250713.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 07/12/2025 in txt file.

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