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: 5/10/2023
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/10/2023 20:27:19 0.00,-104.72 0.00,-105.82 121.66 0
2 05/11/2023 20:09:50 0.00,-104.73 0.76,-101.23 397.49 80
3 05/13/2023 08:31:38 -0.00,-104.72 0.42,-106.51 203.90 80
4 05/14/2023 08:10:15 -0.00,-104.72 -0.64,-101.99 312.37 80
5 05/15/2023 20:32:11 0.00,-104.73 -0.58,-107.29 291.63 80
6 05/16/2023 20:16:07 0.00,-104.74 0.42,-102.76 225.14 80
7 05/18/2023 08:37:55 -0.01,-104.75 0.74,-108.04 375.18 80
8 05/19/2023 08:16:31 -0.01,-104.75 -0.27,-103.51 141.12 80
9 05/20/2023 20:38:28 0.01,-104.75 -0.88,-108.82 463.59 80
10 05/21/2023 20:22:23 0.02,-104.76 0.13,-104.29 53.05 80
11 05/24/2023 08:25:26 -0.02,-104.77 0.06,-105.03 30.38 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/10/2023
SNOs_Map_GOES-17_NOAA-21_20230511.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 05/10/2023 in txt file.

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