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: 10/13/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/14/2025 21:16:59 -0.44, 61.43 -0.46, 61.54 12.21 80
2 10/17/2025 09:22:46 0.41, 61.43 0.29, 60.79 72.89 80
3 10/18/2025 09:01:21 0.45, 61.43 1.34, 65.32 443.23 80
4 10/19/2025 21:25:45 -0.38, 61.46 -0.08, 60.08 157.30 80
5 10/20/2025 21:04:20 -0.42, 61.48 -1.13, 64.61 357.47 80
6 10/22/2025 09:28:52 0.35, 61.49 -0.12, 59.34 244.54 80
7 10/23/2025 09:07:27 0.39, 61.49 0.93, 63.87 270.96 80
8 10/24/2025 21:31:51 -0.31, 61.52 0.32, 58.63 328.82 80
9 10/25/2025 21:10:25 -0.36, 61.54 -0.74, 63.16 185.09 80
10 10/27/2025 09:34:57 0.28, 61.57 -0.56, 57.90 419.59 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/13/2025
SNOs_Map_GOES-15_NOAA-20_20251014.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/13/2025 in txt file.

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