Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2021   19:23:37   (  -0.04,-137.19) (  -0.70,-134.12)  349.70                80
 09/20/2021   07:45:01   (   0.04,-137.19) (  -0.39,-139.32)  240.87                80
 09/22/2021   07:30:07   (   0.04,-137.18) (   0.20,-136.35)   94.37                80
 09/22/2021   19:51:21   (  -0.04,-137.18) (   0.90,-141.51)  492.57                80
 09/24/2021   07:17:54   (   0.04,-137.17) (   0.85,-133.40)  429.06                80
 09/24/2021   19:39:09   (  -0.04,-137.16) (   0.25,-138.56)  158.02                80
 09/26/2021   19:29:35   (  -0.03,-137.14) (  -0.34,-135.59)  175.84                80
 09/27/2021   07:50:58   (   0.03,-137.14) (  -0.74,-140.79)  415.09                80
 09/29/2021   07:38:44   (   0.03,-137.11) (  -0.15,-137.83)   82.22                80
 10/01/2021   07:23:52   (   0.02,-137.07) (   0.51,-134.88)  250.14                80
 10/01/2021   19:45:06   (  -0.02,-137.06) (   0.59,-140.03)  337.75                80