Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/16/2023
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/17/2023 22:32:34 -0.01,-136.98 -0.14,-137.54 63.29 80
2 07/18/2023 22:16:29 -0.01,-136.97 0.88,-133.00 452.48 80
3 07/20/2023 10:38:15 0.01,-136.96 0.31,-138.27 149.66 80
4 07/21/2023 10:16:49 0.01,-136.94 -0.70,-133.73 365.88 80
5 07/22/2023 22:38:45 -0.01,-136.93 -0.46,-139.04 239.75 80
6 07/23/2023 22:22:39 -0.01,-136.92 0.56,-134.51 275.60 80
7 07/25/2023 10:44:25 0.01,-136.89 0.63,-139.77 327.35 80
8 07/26/2023 10:25:39 0.01,-136.87 -0.34,-135.22 187.52 80
9 07/27/2023 22:44:54 -0.01,-136.85 -0.82,-140.53 419.54 80
10 07/28/2023 22:28:48 -0.02,-136.82 0.15,-135.99 94.73 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/16/2023
SNOs_Map_GOES-18_NOAA-21_20230717.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/16/2023 in txt file.

Historical Predications of SNOs between GOES-18 and NOAA-21