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: 4/5/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 04/08/2025 09:18:59 -0.12, 61.35 -0.23, 60.84 57.26 80
2 04/09/2025 09:02:55 -0.12, 61.35 0.76, 65.37 457.92 80
3 04/10/2025 21:22:06 0.12, 61.31 0.38, 60.09 138.30 80
4 04/11/2025 21:06:02 0.12, 61.31 -0.61, 64.62 376.92 80
5 04/13/2025 09:25:22 -0.11, 61.38 -0.56, 59.30 236.33 80
6 04/14/2025 09:09:18 -0.12, 61.39 0.44, 63.83 278.42 80
7 04/15/2025 21:28:27 0.10, 61.36 0.75, 58.56 319.20 80
8 04/16/2025 21:12:24 0.11, 61.37 -0.25, 63.09 195.37 80
9 04/18/2025 09:31:43 -0.10, 61.45 -0.90, 57.77 418.68 80
10 04/19/2025 09:15:40 -0.11, 61.47 0.11, 62.30 95.41 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 4/5/2025
SNOs_Map_GOES-15_NOAA-20_20250406.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 04/05/2025 in txt file.

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