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: 3/13/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/15/2025 08:33:18 -0.03,-104.39 0.45,-106.62 253.42 80
2 03/16/2025 08:11:52 -0.03,-104.39 -0.53,-102.08 263.03 80
3 03/17/2025 20:33:49 0.03,-104.42 -0.66,-107.38 338.60 80
4 03/18/2025 20:17:44 0.03,-104.42 0.38,-102.86 177.90 80
5 03/20/2025 08:39:30 -0.03,-104.39 0.81,-108.12 425.29 80
6 03/21/2025 08:18:05 -0.03,-104.39 -0.18,-103.58 90.98 80
7 03/23/2025 20:23:56 0.02,-104.41 0.00,-104.35 5.94 80
8 03/26/2025 08:26:57 -0.00,-104.37 0.19,-105.08 81.41 80
9 03/27/2025 08:05:32 -0.00,-104.37 -0.87,-100.56 434.99 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/13/2025
SNOs_Map_GOES-17_NOAA-21_20250314.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 03/13/2025 in txt file.

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