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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2021   07:36:57   (   0.02,-137.19) (  -0.13,-137.83)   73.17                80
 12/20/2021   07:22:03   (   0.03,-137.17) (   0.50,-134.87)  260.85                80
 12/20/2021   19:43:17   (  -0.02,-137.17) (   0.58,-140.03)  325.37                80
 12/22/2021   19:33:43   (  -0.02,-137.14) (  -0.06,-137.08)    8.28                80
 12/24/2021   19:21:29   (  -0.02,-137.11) (  -0.64,-134.11)  341.02                80
 12/25/2021   07:42:52   (   0.02,-137.10) (  -0.43,-139.31)  251.01                80
 12/27/2021   07:27:57   (   0.02,-137.06) (   0.17,-136.35)   81.43                80
 12/29/2021   07:15:42   (   0.02,-137.02) (   0.78,-133.38)  413.14                80
 12/29/2021   19:36:57   (  -0.01,-137.01) (   0.30,-138.54)  174.01                80