Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 19.  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)
 01/19/2024   22:45:21   (  -0.01,-136.99) (  -0.81,-140.67)  419.79                80
 01/20/2024   22:29:15   (  -0.01,-136.98) (   0.20,-136.14)   96.43                80
 01/23/2024   10:29:36   (   0.01,-136.97) (  -0.03,-136.86)   12.84                80
 01/25/2024   22:32:45   (  -0.01,-136.93) (  -0.17,-137.62)   78.44                80
 01/26/2024   22:16:39   (  -0.01,-136.92) (   0.86,-133.08)  437.23                80
 01/28/2024   10:38:26   (   0.01,-136.91) (   0.31,-138.35)  162.90                80
 01/29/2024   10:16:59   (   0.01,-136.90) (  -0.66,-133.80)  352.60                80
 01/30/2024   22:41:35   (  -0.01,-136.86) (  -0.48,-139.11)  254.88                80
 01/31/2024   22:20:08   (  -0.00,-136.85) (   0.49,-134.56)  260.36                80
 02/02/2024   10:44:34   (   0.01,-136.83) (   0.66,-139.82)  340.60                80