Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2021   19:37:12   (   0.01,-137.19) (  -0.00,-137.06)   14.86                80
 07/01/2021   19:24:59   (   0.01,-137.19) (  -0.65,-134.11)  350.42                80
 07/02/2021   07:43:43   (  -0.00,-137.18) (  -0.43,-139.30)  241.07                80
 07/04/2021   07:34:09   (  -0.01,-137.17) (   0.16,-136.34)   94.12                80
 07/04/2021   19:52:44   (   0.01,-137.17) (   0.93,-141.50)  492.03                80
 07/06/2021   07:21:55   (  -0.02,-137.15) (   0.76,-133.37)  428.64                80
 07/06/2021   19:40:30   (   0.02,-137.15) (   0.34,-138.53)  157.72                80
 07/08/2021   19:30:57   (   0.02,-137.12) (  -0.32,-135.58)  175.78                80
 07/09/2021   07:52:20   (  -0.02,-137.11) (  -0.82,-140.76)  416.14                80
 07/11/2021   07:40:07   (  -0.01,-137.07) (  -0.15,-137.81)   83.80                80