Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 5.  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)
 01/07/2024   10:29:47   (   0.01,-136.99) (  -0.01,-136.92)    7.60                80
 01/09/2024   22:32:57   (  -0.00,-136.95) (  -0.15,-137.69)   83.82                80
 01/10/2024   22:16:52   (   0.00,-136.94) (   0.84,-133.15)  431.27                80
 01/12/2024   10:35:59   (   0.00,-136.92) (   0.32,-138.42)  170.64                80
 01/13/2024   10:19:54   (   0.00,-136.90) (  -0.67,-133.88)  344.17                80
 01/14/2024   22:39:09   (  -0.01,-136.86) (  -0.53,-139.18)  263.68                80
 01/15/2024   22:23:04   (  -0.01,-136.84) (   0.47,-134.64)  251.03                80
 01/17/2024   10:42:11   (   0.01,-136.82) (   0.69,-139.91)  351.35                80
 01/18/2024   10:26:05   (   0.01,-136.80) (  -0.31,-135.37)  163.02                80