Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 5 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2021   18:48:37   (  -0.04,-128.27) (  -0.73,-124.86)  386.79                80
 05/21/2021   07:10:01   (   0.05,-128.27) (  -0.36,-130.06)  203.56                80
 05/23/2021   06:55:08   (   0.04,-128.31) (   0.31,-127.11)  137.19                80
 05/23/2021   19:16:23   (  -0.05,-128.32) (   0.78,-132.27)  447.99                80
 05/25/2021   06:42:54   (   0.04,-128.35) (   0.92,-124.15)  477.30                80
 05/25/2021   19:04:09   (  -0.04,-128.36) (   0.17,-129.30)  107.84                80
 05/27/2021   18:54:35   (  -0.04,-128.38) (  -0.45,-126.34)  231.36                80
 05/28/2021   07:15:59   (   0.05,-128.39) (  -0.64,-131.54)  358.01                80
 05/30/2021   07:03:46   (   0.06,-128.41) (   0.04,-128.59)   19.81                80
 06/01/2021   06:48:52   (   0.06,-128.43) (   0.66,-125.63)  318.66                80
 06/01/2021   19:10:07   (  -0.07,-128.42) (   0.42,-130.79)  268.41                80