Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2021   07:22:29   (   0.03,-137.20) (   0.52,-134.89)  262.65                80
 12/04/2021   19:46:23   (  -0.03,-137.20) (   0.56,-140.05)  323.69                80
 12/06/2021   19:34:09   (  -0.03,-137.18) (  -0.04,-137.08)   11.19                80
 12/08/2021   19:21:54   (  -0.02,-137.16) (  -0.64,-134.12)  345.75                80
 12/09/2021   07:43:17   (   0.02,-137.16) (  -0.42,-139.32)  245.37                80
 12/11/2021   07:28:22   (   0.02,-137.14) (   0.19,-136.36)   89.11                80
 12/11/2021   19:49:37   (  -0.02,-137.13) (   0.89,-141.52)  497.59                80
 12/13/2021   07:16:08   (   0.02,-137.12) (   0.80,-133.39)  423.38                80
 12/13/2021   19:37:22   (  -0.01,-137.11) (   0.27,-138.55)  163.43                80
 12/15/2021   19:27:47   (  -0.01,-137.08) (  -0.35,-135.59)  170.26                80
 12/16/2021   07:49:10   (   0.01,-137.08) (  -0.77,-140.78)  421.08                80