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: 6/25/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 06/27/2025 09:20:23 0.21, 61.24 0.05, 60.56 78.62 80
2 06/28/2025 09:04:20 0.20, 61.24 1.06, 65.08 437.42 80
3 06/29/2025 21:23:31 -0.23, 61.30 0.13, 59.80 171.67 80
4 06/30/2025 21:07:29 -0.22, 61.30 -0.88, 64.32 344.41 80
5 07/02/2025 09:26:49 0.25, 61.24 -0.26, 59.00 255.34 80
6 07/03/2025 09:10:47 0.24, 61.24 0.75, 63.52 260.57 80
7 07/04/2025 21:29:58 -0.27, 61.30 0.42, 58.24 348.93 80
8 07/05/2025 21:13:56 -0.26, 61.30 -0.59, 62.76 166.48 80
9 07/07/2025 09:33:16 0.29, 61.25 -0.55, 57.44 434.58 80
10 07/08/2025 09:17:13 0.28, 61.26 0.47, 61.96 80.52 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 6/25/2025
SNOs_Map_GOES-15_NOAA-20_20250626.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 06/25/2025 in txt file.

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