Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2021   07:02:56   (   0.08,-127.74) (  -0.07,-128.55)   92.26                80
 07/19/2021   06:48:02   (   0.08,-127.65) (   0.54,-125.59)  235.26                80
 07/19/2021   19:09:16   (  -0.06,-127.59) (   0.61,-130.73)  357.77                80
 07/21/2021   18:57:02   (  -0.06,-127.50) (  -0.01,-127.77)   31.07                80
 07/23/2021   18:47:28   (  -0.07,-127.41) (  -0.63,-124.81)  295.13                80
 07/24/2021   07:08:50   (   0.05,-127.43) (  -0.50,-130.00)  292.11                80
 07/26/2021   06:53:56   (   0.06,-127.34) (   0.12,-127.04)   33.80                80
 07/28/2021   06:41:43   (   0.07,-127.24) (   0.75,-124.08)  359.87                80
 07/28/2021   19:05:36   (  -0.05,-127.16) (   0.40,-129.22)  234.37                80
 07/30/2021   18:50:42   (  -0.06,-127.07) (  -0.23,-126.26)   91.67                80