Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/24/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 06/26/2025 07:59:09 -0.02, -97.69 0.23, -98.82 129.50 80
2 06/27/2025 07:43:02 -0.01, -97.15 -0.64, -94.26 328.57 80
3 06/28/2025 20:02:18 0.01, -96.35 -0.68, -99.54 363.09 80
4 06/29/2025 19:46:11 0.01, -95.82 0.20, -94.98 95.41 80
5 07/02/2025 07:46:30 -0.00, -94.46 0.26, -95.66 136.82 80
6 07/03/2025 07:30:23 -0.00, -93.93 -0.62, -91.10 322.00 80
7 07/04/2025 19:49:39 0.01, -93.14 -0.70, -96.38 368.90 80
8 07/05/2025 19:33:32 0.01, -92.61 0.18, -91.82 89.88 80
9 07/08/2025 07:33:51 -0.02, -91.25 0.27, -92.50 142.28 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/24/2025
SNOs_Map_GOES-17_NOAA-21_20250625.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/24/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21