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: 10/23/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/24/2025 21:32:29 -0.31, 61.50 0.36, 58.48 345.01 80
2 10/25/2025 21:11:08 -0.36, 61.52 -0.69, 62.99 167.24 80
3 10/27/2025 09:35:46 0.28, 61.55 -0.59, 57.70 439.58 80
4 10/28/2025 09:14:25 0.33, 61.56 0.46, 62.21 73.43 80
5 10/30/2025 21:20:14 -0.29, 61.60 -0.25, 61.46 16.37 80
6 10/31/2025 20:58:52 -0.34, 61.63 -1.31, 65.98 495.33 80
7 11/02/2025 09:23:30 0.25, 61.67 0.03, 60.68 112.64 80
8 11/03/2025 09:02:09 0.30, 61.69 1.09, 65.19 399.93 80
9 11/04/2025 21:26:39 -0.21, 61.71 0.16, 59.93 201.74 80
10 11/05/2025 21:05:17 -0.26, 61.74 -0.85, 64.45 309.28 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_GOES-15_NOAA-20_20251024.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/23/2025 in txt file.

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