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: 5/24/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/26/2025 20:23:49 -0.00,-104.43 -0.00,-104.36 7.81 80
2 05/29/2025 08:26:55 0.01,-104.41 0.16,-105.11 79.51 80
3 05/30/2025 08:05:31 0.01,-104.41 -0.87,-100.58 436.36 80
4 05/31/2025 20:27:28 -0.01,-104.42 -0.32,-105.89 166.63 80
5 06/01/2025 20:11:24 -0.02,-104.43 0.65,-101.35 349.96 80
6 06/03/2025 08:33:13 0.02,-104.43 0.52,-106.63 251.73 80
7 06/04/2025 08:11:50 0.02,-104.43 -0.51,-102.11 264.69 80
8 06/05/2025 20:33:47 -0.02,-104.45 -0.68,-107.42 338.33 80
9 06/06/2025 20:17:44 -0.02,-104.45 0.35,-102.89 178.59 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/24/2025
SNOs_Map_GOES-17_NOAA-21_20250525.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 05/24/2025 in txt file.

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