Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 8 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/16/2021   19:36:23   (  -0.02,-137.20) (  -0.08,-137.07)   15.99                80
 08/18/2021   19:24:09   (  -0.02,-137.19) (  -0.68,-134.10)  350.78                80
 08/19/2021   07:42:53   (   0.02,-137.18) (  -0.41,-139.30)  240.43                80
 08/21/2021   07:30:39   (   0.03,-137.16) (   0.19,-136.33)   93.93                80
 08/21/2021   19:51:54   (  -0.03,-137.16) (   0.90,-141.49)  492.78                80
 08/23/2021   07:18:26   (   0.03,-137.15) (   0.85,-133.38)  428.37                80
 08/23/2021   19:39:41   (  -0.03,-137.14) (   0.24,-138.54)  158.31                80
 08/25/2021   19:30:07   (  -0.03,-137.13) (  -0.36,-135.58)  175.97                80
 08/26/2021   07:51:31   (   0.03,-137.12) (  -0.72,-140.78)  415.14                80
 08/28/2021   07:39:17   (   0.02,-137.09) (  -0.11,-137.81)   81.53                80