Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 11 26.  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)
 11/27/2023   08:16:33   (  -0.00,-104.68) (  -0.21,-103.67)  114.64                80
 11/28/2023   20:38:30   (   0.00,-104.66) (  -0.98,-108.98)  492.87                80
 11/29/2023   20:22:26   (  -0.00,-104.66) (   0.07,-104.46)   23.72                80
 12/02/2023   08:25:30   (   0.01,-104.69) (   0.15,-105.19)   57.42                80
 12/03/2023   08:04:07   (   0.01,-104.69) (  -0.89,-100.67)  459.12                80
 12/04/2023   20:26:03   (  -0.02,-104.67) (  -0.33,-105.96)  147.88                80
 12/05/2023   20:10:00   (  -0.02,-104.68) (   0.72,-101.44)  369.07                80
 12/07/2023   08:31:48   (   0.02,-104.72) (   0.47,-106.71)  227.48                80
 12/08/2023   08:10:24   (   0.02,-104.72) (  -0.53,-102.18)  289.23                80
 12/09/2023   20:32:21   (  -0.03,-104.70) (  -0.62,-107.49)  318.04                80