Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 5 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/09/2021   06:43:10   (  -0.00,-127.94) (   0.82,-124.13)  432.73                80
 05/09/2021   19:04:25   (  -0.00,-127.98) (   0.28,-129.29)  148.85                80
 05/11/2021   18:54:52   (  -0.00,-128.05) (  -0.37,-126.34)  194.70                80
 05/12/2021   07:16:16   (   0.01,-128.05) (  -0.73,-131.53)  396.18                80
 05/14/2021   07:04:03   (   0.00,-128.10) (  -0.08,-128.58)   53.75                80
 05/16/2021   06:49:09   (   0.00,-128.15) (   0.52,-125.61)  288.02                80
 05/16/2021   19:10:25   (  -0.01,-128.18) (   0.52,-130.78)  295.70                80
 05/18/2021   19:00:51   (  -0.01,-128.22) (  -0.08,-127.82)   45.59                80
 05/20/2021   18:48:38   (  -0.01,-128.27) (  -0.74,-124.87)  386.54                80
 05/21/2021   07:10:02   (   0.02,-128.27) (  -0.35,-130.06)  203.56                80