Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-16 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/16/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/17/2025 06:11:25 -0.08, -75.36 -0.80, -72.01 381.39 80
2 03/18/2025 18:33:21 0.07, -75.38 -0.38, -77.31 220.28 80
3 03/19/2025 18:17:17 0.07, -75.40 0.67, -72.79 298.51 80
4 03/21/2025 06:39:03 -0.07, -75.44 0.52, -78.05 297.62 80
5 03/22/2025 06:17:37 -0.06, -75.46 -0.48, -73.51 221.01 80
6 03/23/2025 18:39:34 0.06, -75.48 -0.68, -78.82 380.43 80
7 03/24/2025 18:23:28 0.05, -75.51 0.32, -74.29 138.89 80
8 03/26/2025 06:45:15 -0.04, -75.56 0.85, -79.55 455.71 80
9 03/27/2025 06:23:49 -0.04, -75.58 -0.16, -75.02 63.67 80
10 03/29/2025 18:26:59 0.04, -75.64 -0.02, -75.79 17.19 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/16/2025
SNOs_Map_GOES-16_NOAA-21_20250317.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 03/16/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NOAA-21