Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2021   07:37:44   (  -0.02,-137.20) (  -0.16,-137.82)   70.69                80
 06/27/2021   07:28:11   (  -0.02,-137.19) (   0.48,-134.86)  265.05                80
 06/27/2021   19:46:46   (   0.02,-137.20) (   0.61,-140.02)  321.08                80
 06/29/2021   19:37:13   (   0.01,-137.19) (  -0.03,-137.07)   14.65                80
 07/01/2021   19:24:59   (   0.01,-137.18) (  -0.62,-134.10)  349.97                80
 07/02/2021   07:43:42   (  -0.01,-137.18) (  -0.46,-139.30)  241.17                80
 07/04/2021   07:34:09   (  -0.01,-137.16) (   0.19,-136.35)   93.87                80
 07/04/2021   19:52:44   (   0.01,-137.16) (   0.91,-141.50)  492.80                80
 07/06/2021   07:19:16   (  -0.02,-137.14) (   0.79,-133.38)  428.09                80
 07/06/2021   19:40:30   (   0.02,-137.14) (   0.31,-138.54)  158.70                80
 07/08/2021   19:30:56   (   0.01,-137.11) (  -0.29,-135.57)  174.42                80