Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2021   07:36:55   (   0.03,-137.19) (  -0.12,-137.82)   71.09                80
 08/14/2021   07:27:22   (   0.03,-137.18) (   0.54,-134.86)  264.09                80
 08/14/2021   19:45:56   (  -0.03,-137.19) (   0.56,-140.02)  322.19                80
 08/16/2021   19:36:22   (  -0.02,-137.16) (  -0.04,-137.06)   11.93                80
 08/18/2021   19:24:09   (  -0.02,-137.13) (  -0.64,-134.09)  345.11                80
 08/19/2021   07:42:52   (   0.02,-137.12) (  -0.45,-139.29)  246.89                80
 08/21/2021   07:30:39   (   0.02,-137.09) (   0.21,-136.34)   85.80                80
 08/23/2021   07:18:25   (   0.02,-137.05) (   0.82,-133.38)  418.45                80
 08/23/2021   19:39:40   (  -0.02,-137.05) (   0.27,-138.53)  168.38                80
 08/25/2021   19:30:06   (  -0.02,-137.01) (  -0.34,-135.57)  164.02                80