Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2019   19:27:29   (   0.02,-137.16) (  -0.63,-134.10)  347.95                80
 09/15/2019   07:48:53   (  -0.02,-137.16) (  -0.48,-139.29)  242.99                80
 09/17/2019   07:34:01   (  -0.02,-137.13) (   0.13,-136.33)   90.61                80
 09/17/2019   19:55:17   (   0.02,-137.13) (   0.93,-141.50)  496.55                80
 09/19/2019   07:21:50   (  -0.02,-137.10) (   0.79,-133.38)  423.44                80
 09/19/2019   19:43:05   (   0.02,-137.09) (   0.34,-138.54)  163.92                80
 09/21/2019   19:33:34   (   0.03,-137.05) (  -0.31,-135.59)  167.72                80
 09/22/2019   07:54:58   (  -0.03,-137.04) (  -0.81,-140.77)  423.90                80
 09/23/2019   19:21:22   (   0.04,-137.00) (  -0.89,-132.62)  498.21                80
 09/24/2019   07:42:46   (  -0.04,-136.99) (  -0.23,-137.81)   93.65                80
 09/26/2019   07:27:55   (  -0.04,-136.93) (   0.39,-134.86)  235.91                80
 09/26/2019   19:49:11   (   0.04,-136.92) (   0.69,-140.02)  352.45                80