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: 10/9/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/09/2025 21:10:51 -0.48, 61.39 -0.83, 63.00 182.86 80
2 10/11/2025 09:35:25 0.42, 61.38 -0.40, 57.72 417.39 80
3 10/12/2025 09:13:59 0.46, 61.38 0.65, 62.25 98.55 80
4 10/14/2025 21:16:59 -0.44, 61.43 -0.48, 61.53 12.25 80
5 10/17/2025 09:22:46 0.41, 61.44 0.25, 60.79 73.70 80
6 10/18/2025 09:01:20 0.45, 61.44 1.30, 65.32 442.30 80
7 10/19/2025 21:25:46 -0.38, 61.46 -0.09, 60.07 157.78 80
8 10/20/2025 21:04:20 -0.42, 61.48 -1.14, 64.60 356.92 80
9 10/22/2025 09:28:53 0.34, 61.49 -0.12, 59.33 245.82 80
10 10/23/2025 09:07:27 0.38, 61.50 0.93, 63.86 269.61 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/9/2025
SNOs_Map_GOES-15_NOAA-20_20251010.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/09/2025 in txt file.

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