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: 3/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/21/2025 08:18:05 -0.04,-104.38 -0.23,-103.59 90.30 80
2 03/23/2025 20:21:16 0.03,-104.41 0.07,-104.36 6.86 80
3 03/26/2025 08:26:56 -0.02,-104.37 0.14,-105.08 81.35 80
4 03/27/2025 08:05:30 -0.02,-104.37 -0.88,-100.55 435.13 80
5 03/28/2025 20:27:26 0.01,-104.40 -0.31,-105.85 165.30 80
6 03/29/2025 20:11:20 0.02,-104.40 0.72,-101.32 351.38 80
7 03/31/2025 08:33:05 -0.02,-104.36 0.49,-106.58 252.44 80
8 04/01/2025 08:11:40 -0.02,-104.36 -0.54,-102.04 263.86 80
9 04/02/2025 20:33:34 0.02,-104.38 -0.66,-107.34 337.18 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/20/2025
SNOs_Map_GOES-17_NOAA-21_20250321.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 03/20/2025 in txt file.

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