Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 4.  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)
 01/04/2024   22:29:24   (  -0.01,-136.99) (   0.18,-136.19)   91.73                80
 01/07/2024   10:29:46   (   0.01,-136.99) (   0.01,-136.92)    7.81                80
 01/09/2024   22:32:57   (  -0.00,-136.95) (  -0.16,-137.69)   83.81                80
 01/10/2024   22:16:52   (   0.00,-136.94) (   0.83,-133.15)  431.26                80
 01/12/2024   10:35:59   (   0.00,-136.92) (   0.34,-138.42)  170.65                80
 01/13/2024   10:19:53   (   0.00,-136.90) (  -0.66,-133.88)  344.17                80
 01/14/2024   22:39:09   (  -0.01,-136.86) (  -0.54,-139.17)  263.69                80
 01/15/2024   22:23:03   (  -0.01,-136.84) (   0.46,-134.64)  251.05                80
 01/17/2024   10:42:11   (   0.01,-136.82) (   0.70,-139.90)  351.34                80
 01/18/2024   10:26:05   (   0.01,-136.80) (  -0.30,-135.37)  163.03                80