Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 9 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/08/2021   07:20:49   (   0.04,-137.20) (   0.87,-133.39)  433.99                80
 09/08/2021   19:39:24   (  -0.04,-137.20) (   0.23,-138.55)  152.29                80
 09/10/2021   19:29:51   (  -0.04,-137.20) (  -0.40,-135.59)  183.55                80
 09/11/2021   07:48:35   (   0.04,-137.20) (  -0.70,-140.79)  407.33                80
 09/13/2021   07:36:21   (   0.04,-137.19) (  -0.12,-137.82)   72.71                80
 09/15/2021   07:26:48   (   0.03,-137.17) (   0.51,-134.87)  261.21                80
 09/15/2021   19:45:23   (  -0.03,-137.16) (   0.58,-140.02)  325.85                80
 09/17/2021   19:35:50   (  -0.03,-137.13) (  -0.06,-137.07)    7.77                80
 09/19/2021   19:23:36   (  -0.02,-137.11) (  -0.64,-134.11)  340.98                80
 09/20/2021   07:45:00   (   0.02,-137.10) (  -0.45,-139.30)  250.24                80