Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 18.  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)
 01/19/2024   08:25:25   (   0.01,-104.69) (   0.09,-105.14)   51.01                80
 01/20/2024   08:04:00   (   0.01,-104.69) (  -0.92,-100.60)  465.79                80
 01/21/2024   20:25:54   (  -0.01,-104.66) (  -0.31,-105.89)  141.22                80
 01/22/2024   20:09:49   (  -0.01,-104.66) (   0.70,-101.35)  375.72                80
 01/24/2024   08:31:36   (   0.01,-104.69) (   0.42,-106.63)  220.63                80
 01/25/2024   08:10:10   (   0.01,-104.69) (  -0.60,-102.09)  296.31                80
 01/26/2024   20:32:05   (  -0.01,-104.66) (  -0.61,-107.38)  310.48                80
 01/27/2024   20:15:59   (  -0.01,-104.66) (   0.41,-102.85)  206.88                80
 01/29/2024   08:37:46   (   0.01,-104.70) (   0.75,-108.11)  388.38                80
 01/30/2024   08:16:19   (   0.00,-104.70) (  -0.22,-103.57)  128.98                80
 01/31/2024   20:38:14   (  -0.01,-104.67) (  -0.92,-108.87)  477.62                80