Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2022 12 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2022   22:32:45   (  -0.00,-136.92) (   0.10,-136.52)   46.05                80
 12/04/2022   10:47:41   (   0.00,-136.95) (   0.69,-140.13)  362.57                80
 12/05/2022   10:21:48   (   0.00,-136.94) (  -0.52,-134.51)  277.19                80
 12/06/2022   22:36:55   (  -0.00,-136.92) (  -0.29,-138.16)  141.39                80
 12/07/2022   22:16:23   (  -0.01,-136.92) (   0.95,-132.54)  497.98                80
 12/09/2022   10:28:37   (   0.01,-136.92) (  -0.18,-136.14)   89.31                80
 12/10/2022   22:43:45   (  -0.01,-136.89) (  -0.65,-139.80)  331.26                80
 12/11/2022   22:23:13   (  -0.02,-136.88) (   0.59,-134.18)  307.59                80
 12/13/2022   10:38:05   (   0.01,-136.88) (   0.20,-137.77)  100.89                80
 12/15/2022   22:30:03   (   0.00,-136.83) (   0.25,-135.82)  114.94                80