Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 5 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/16/2021   19:10:24   (  -0.03,-128.18) (   0.53,-130.78)  296.17                80
 05/18/2021   19:00:51   (  -0.03,-128.22) (  -0.13,-127.83)   45.10                80
 05/20/2021   18:48:38   (  -0.04,-128.27) (  -0.79,-124.88)  386.18                80
 05/21/2021   07:10:01   (   0.04,-128.27) (  -0.36,-130.06)  203.86                80
 05/23/2021   06:55:08   (   0.04,-128.31) (   0.30,-127.11)  136.59                80
 05/23/2021   19:16:23   (  -0.04,-128.31) (   0.79,-132.27)  449.08                80
 05/25/2021   06:42:54   (   0.03,-128.34) (   0.91,-124.14)  476.41                80
 05/25/2021   19:04:09   (  -0.04,-128.34) (   0.18,-129.30)  109.24                80
 05/27/2021   18:54:36   (  -0.04,-128.37) (  -0.49,-126.35)  229.67                80
 05/28/2021   07:15:59   (   0.04,-128.38) (  -0.65,-131.54)  359.39                80
 05/30/2021   07:03:46   (   0.05,-128.40) (   0.03,-128.59)   21.44                80