Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2023 2 21.  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)
 02/23/2023   22:36:29   (  -0.01,-137.00) (  -0.17,-137.60)   68.21                80
 02/24/2023   22:15:05   (  -0.01,-137.00) (   0.85,-133.07)  447.97                80
 02/26/2023   10:39:33   (   0.01,-137.00) (   0.30,-138.35)  152.89                80
 02/27/2023   10:18:09   (   0.01,-137.00) (  -0.73,-133.82)  362.81                80
 02/28/2023   22:42:44   (  -0.02,-136.99) (  -0.52,-139.12)  243.50                80
 03/01/2023   22:21:19   (  -0.01,-136.98) (   0.51,-134.59)  271.89                80
 03/03/2023   10:45:47   (   0.02,-136.97) (   0.69,-139.86)  329.98                80
 03/04/2023   10:24:22   (   0.02,-136.96) (  -0.34,-135.33)  185.11                80
 03/05/2023   22:48:59   (  -0.02,-136.94) (  -0.83,-140.64)  421.92                80
 03/06/2023   22:27:33   (  -0.02,-136.93) (   0.15,-136.11)   93.02                80