Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2020   18:50:37   (   0.08,-127.75) (  -0.56,-124.82)  333.22                80
 06/19/2020   07:12:00   (  -0.07,-127.77) (  -0.57,-130.01)  254.84                80
 06/21/2020   06:57:09   (  -0.07,-127.84) (   0.08,-127.05)   88.74                80
 06/21/2020   19:18:25   (   0.06,-127.84) (   0.99,-132.22)  496.99                80
 06/23/2020   06:44:58   (  -0.07,-127.90) (   0.72,-124.10)  431.51                80
 06/23/2020   19:06:14   (   0.06,-127.90) (   0.34,-129.26)  154.22                80
 06/25/2020   18:56:43   (   0.05,-127.96) (  -0.31,-126.31)  188.04                80
 06/26/2020   07:18:07   (  -0.04,-127.99) (  -0.81,-131.50)  399.51                80
 06/28/2020   07:05:56   (  -0.04,-128.04) (  -0.16,-128.54)   57.65                80
 06/30/2020   06:51:05   (  -0.04,-128.09) (   0.50,-125.59)  283.87                80
 06/30/2020   19:12:20   (   0.04,-128.08) (   0.63,-130.74)  303.19                80