Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 12 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)
 12/26/2019   19:33:31   (   0.01,-137.18) (  -0.30,-135.59)  180.88                80
 12/27/2019   07:52:15   (  -0.01,-137.17) (  -0.80,-140.78)  410.40                80
 12/29/2019   07:40:04   (  -0.02,-137.15) (  -0.15,-137.83)   76.20                80
 12/31/2019   07:30:32   (  -0.03,-137.13) (   0.45,-134.86)  257.74                80
 12/31/2019   19:49:07   (   0.03,-137.12) (   0.62,-140.02)  329.01                80
 01/02/2020   19:39:35   (   0.03,-137.10) (   0.02,-137.06)    4.43                80
 01/04/2020   19:27:24   (   0.03,-137.06) (  -0.59,-134.10)  337.18                80
 01/05/2020   07:46:07   (  -0.03,-137.05) (  -0.52,-139.29)  254.66                80
 01/07/2020   07:36:35   (  -0.03,-137.01) (   0.09,-136.32)   77.17                80