Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 2 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)
 02/16/2021   19:20:11   (   0.16,-127.96) (   1.06,-132.19)  480.95                80
 02/18/2021   06:44:04   (  -0.14,-127.94) (   0.67,-124.08)  439.07                80
 02/18/2021   19:07:58   (   0.16,-128.02) (   0.43,-129.23)  137.63                80
 02/20/2021   18:53:07   (   0.15,-128.08) (  -0.26,-126.29)  205.04                80
 02/21/2021   07:17:09   (  -0.16,-128.03) (  -0.89,-131.47)  390.97                80
 02/23/2021   07:04:56   (  -0.15,-128.08) (  -0.25,-128.51)   49.20                80
 02/25/2021   06:50:03   (  -0.15,-128.12) (   0.39,-125.55)  292.08                80
 02/25/2021   19:13:58   (   0.16,-128.20) (   0.71,-130.71)  285.52                80
 02/27/2021   18:59:05   (   0.15,-128.24) (   0.06,-127.75)   55.48                80
 03/01/2021   18:46:52   (   0.15,-128.28) (  -0.59,-124.80)  396.11                80
 03/02/2021   07:10:55   (  -0.16,-128.22) (  -0.56,-129.98)  200.17                80