Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2021   19:38:00   (   0.04,-137.19) (   0.01,-137.07)   13.67                80
 05/14/2021   19:25:48   (   0.03,-137.18) (  -0.64,-134.12)  348.10                80
 05/15/2021   07:44:30   (  -0.03,-137.16) (  -0.51,-139.30)  243.71                80
 05/17/2021   07:34:57   (  -0.02,-137.14) (   0.15,-136.35)   89.76                80
 05/17/2021   19:53:32   (   0.02,-137.14) (   0.94,-141.51)  496.77                80
 05/19/2021   07:22:43   (  -0.02,-137.11) (   0.74,-133.39)  422.67                80
 05/19/2021   19:41:18   (   0.02,-137.11) (   0.35,-138.54)  164.00                80
 05/21/2021   19:31:45   (   0.01,-137.07) (  -0.31,-135.59)  168.44                80
 05/22/2021   07:50:28   (  -0.01,-137.05) (  -0.83,-140.78)  423.70                80
 05/24/2021   07:38:15   (  -0.01,-137.01) (  -0.16,-137.82)   92.07                80