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: 5/15/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/16/2025 07:27:09 -0.03, -93.57 -0.59, -90.95 298.94 80
2 05/17/2025 19:51:50 0.02, -94.39 -0.43, -96.29 217.71 80
3 05/18/2025 19:30:28 0.02, -94.90 0.71, -91.79 354.22 80
4 05/20/2025 07:55:01 -0.01, -95.68 0.32, -97.11 162.76 80
5 05/21/2025 07:33:39 -0.02, -96.20 -0.82, -92.61 409.15 80
6 05/22/2025 19:58:19 0.01, -97.01 -0.19, -97.95 107.14 80
7 05/23/2025 19:36:58 0.01, -97.53 0.95, -93.46 465.09 80
8 05/25/2025 08:01:30 -0.01, -98.31 0.06, -98.77 51.65 80
9 05/27/2025 20:02:08 0.01, -99.64 0.01, -99.61 3.29 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/15/2025
SNOs_Map_GOES-16_NOAA-21_20250516.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 05/15/2025 in txt file.

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