Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2020   07:46:23   (   0.01,-137.20) (  -0.44,-139.37)  246.30                80
 01/23/2020   07:36:54   (   0.01,-137.19) (   0.15,-136.42)   86.95                80
 01/23/2020   19:55:31   (  -0.01,-137.19) (   0.90,-141.59)  499.15                80
 01/25/2020   07:24:46   (   0.00,-137.17) (   0.81,-133.48)  419.85                80
 01/25/2020   19:43:22   (  -0.01,-137.17) (   0.30,-138.64)  166.30                80
 01/27/2020   19:33:53   (  -0.00,-137.15) (  -0.30,-135.69)  166.32                80
 01/28/2020   07:52:38   (   0.01,-137.14) (  -0.81,-140.88)  426.41                80
 01/29/2020   19:21:45   (  -0.00,-137.13) (  -0.96,-132.75)  498.57                80
 01/30/2020   07:40:30   (   0.01,-137.11) (  -0.15,-137.94)   94.30                80
 02/01/2020   07:31:01   (   0.01,-137.08) (   0.46,-134.99)  237.27                80
 02/01/2020   19:49:36   (  -0.01,-137.08) (   0.65,-140.15)  349.39                80
 02/03/2020   19:37:27   (  -0.01,-137.04) (   0.04,-137.20)   19.03                80