Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2021   18:46:57   (   0.16,-128.29) (  -0.55,-124.81)  395.19                80
 03/02/2021   07:11:01   (  -0.17,-128.22) (  -0.55,-130.00)  203.03                80
 03/04/2021   06:56:09   (  -0.16,-128.25) (   0.11,-127.05)  136.86                80
 03/04/2021   19:17:24   (   0.17,-128.34) (   1.00,-132.21)  439.75                80
 03/06/2021   06:43:56   (  -0.16,-128.28) (   0.71,-124.09)  475.98                80
 03/06/2021   19:05:12   (   0.16,-128.37) (   0.34,-129.26)  100.74                80
 03/08/2021   18:55:39   (   0.16,-128.39) (  -0.26,-126.30)  237.86                80
 03/09/2021   07:17:02   (  -0.16,-128.32) (  -0.84,-131.49)  360.40                80
 03/11/2021   07:04:50   (  -0.16,-128.34) (  -0.23,-128.53)   22.16                80
 03/13/2021   06:49:58   (  -0.15,-128.37) (   0.45,-125.58)  316.67                80
 03/13/2021   19:11:12   (   0.16,-128.45) (   0.66,-130.74)  260.80                80