Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2021   07:10:01   (   0.05,-128.27) (  -0.34,-130.06)  203.57                80
 05/23/2021   06:55:09   (   0.04,-128.31) (   0.33,-127.11)  137.30                80
 05/23/2021   19:16:23   (  -0.05,-128.33) (   0.76,-132.27)  447.71                80
 05/25/2021   06:42:55   (   0.04,-128.35) (   0.94,-124.15)  477.50                80
 05/25/2021   19:04:09   (  -0.04,-128.36) (   0.15,-129.31)  107.44                80
 05/27/2021   18:54:35   (  -0.05,-128.39) (  -0.47,-126.34)  231.86                80
 05/28/2021   07:15:59   (   0.05,-128.40) (  -0.62,-131.54)  357.62                80
 05/30/2021   07:03:45   (   0.06,-128.42) (   0.00,-128.58)   19.27                80
 06/01/2021   06:48:51   (   0.06,-128.43) (   0.63,-125.62)  319.30                80
 06/01/2021   19:10:06   (  -0.07,-128.43) (   0.46,-130.78)  267.59                80
 06/03/2021   19:00:33   (  -0.07,-128.45) (  -0.23,-127.83)   71.26                80