Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2023 2 26.  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)
 02/27/2023   10:18:08   (  -0.00,-136.98) (  -0.72,-133.82)  360.64                80
 02/28/2023   22:40:05   (   0.01,-136.96) (  -0.46,-139.13)  246.77                80
 03/01/2023   22:23:59   (   0.01,-136.95) (   0.51,-134.59)  268.11                80
 03/03/2023   10:43:08   (  -0.01,-136.93) (   0.63,-139.87)  334.53                80
 03/04/2023   10:27:02   (  -0.02,-136.92) (  -0.35,-135.33)  180.11                80
 03/05/2023   22:46:18   (   0.02,-136.89) (  -0.82,-140.64)  428.00                80
 03/06/2023   22:30:14   (   0.02,-136.87) (   0.21,-136.12)   86.59                80
 03/09/2023   10:30:36   (  -0.02,-136.83) (  -0.01,-136.85)    2.30                80
 03/11/2023   22:33:47   (   0.02,-136.77) (  -0.15,-137.63)   97.55                80