Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 11 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2023   08:25:18   (   0.01,-104.68) (   0.10,-105.15)   53.11                80
 11/17/2023   08:03:54   (   0.00,-104.68) (  -0.92,-100.62)  462.25                80
 11/18/2023   20:25:52   (  -0.00,-104.65) (  -0.30,-105.93)  146.14                80
 11/19/2023   20:09:48   (   0.01,-104.65) (   0.72,-101.40)  369.56                80
 11/21/2023   08:31:38   (  -0.00,-104.67) (   0.45,-106.68)  228.80                80
 11/22/2023   08:10:14   (  -0.01,-104.67) (  -0.58,-102.15)  286.97                80
 11/23/2023   20:32:11   (   0.00,-104.64) (  -0.63,-107.46)  320.87                80
 11/24/2023   20:16:08   (  -0.00,-104.64) (   0.40,-102.93)  195.33                80
 11/26/2023   08:37:56   (   0.01,-104.67) (   0.83,-108.20)  402.26                80
 11/27/2023   08:16:33   (   0.01,-104.67) (  -0.21,-103.67)  113.58                80