Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 9 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2021   19:35:49   (  -0.04,-137.20) (  -0.03,-137.07)   14.53                80
 09/19/2021   19:23:36   (  -0.03,-137.19) (  -0.67,-134.11)  349.92                80
 09/20/2021   07:45:00   (   0.03,-137.20) (  -0.42,-139.31)  240.17                80
 09/22/2021   07:30:07   (   0.03,-137.19) (   0.23,-136.36)   95.34                80
 09/22/2021   19:51:22   (  -0.03,-137.18) (   0.87,-141.51)  491.92                80
 09/24/2021   07:17:53   (   0.03,-137.18) (   0.82,-133.39)  430.31                80
 09/24/2021   19:39:08   (  -0.03,-137.17) (   0.28,-138.55)  157.11                80
 09/26/2021   19:29:35   (  -0.03,-137.15) (  -0.37,-135.60)  177.04                80
 09/27/2021   07:50:59   (   0.03,-137.15) (  -0.71,-140.80)  413.41                80
 09/29/2021   07:38:45   (   0.02,-137.13) (  -0.12,-137.83)   80.20                80