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: 7/16/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 07/18/2025 09:27:08 0.35, 61.27 -0.17, 58.93 266.62 80
2 07/19/2025 09:11:04 0.34, 61.27 0.84, 63.46 249.54 80
3 07/20/2025 21:30:12 -0.38, 61.36 0.31, 58.19 360.51 80
4 07/21/2025 21:14:08 -0.37, 61.37 -0.70, 62.72 154.98 80
5 07/23/2025 09:33:25 0.40, 61.32 -0.45, 57.41 444.75 80
6 07/24/2025 09:17:20 0.39, 61.33 0.51, 61.96 70.96 80
7 07/26/2025 21:17:43 -0.40, 61.42 -0.38, 61.21 23.27 80
8 07/27/2025 21:01:38 -0.39, 61.43 -1.34, 65.76 492.37 80
9 07/29/2025 09:20:55 0.42, 61.38 0.19, 60.44 107.28 80
10 07/30/2025 09:04:51 0.41, 61.39 1.21, 64.98 408.41 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/16/2025
SNOs_Map_GOES-15_NOAA-20_20250717.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 07/16/2025 in txt file.

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