Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 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)
 10/16/2021   19:01:42   (  -0.35,-128.18) (  -0.13,-129.36)  134.58                80
 10/18/2021   18:52:07   (  -0.35,-128.22) (  -0.71,-126.40)  207.23                80
 10/19/2021   07:13:31   (   0.35,-128.24) (  -0.36,-131.59)  381.08                80
 10/21/2021   07:01:17   (   0.35,-128.29) (   0.29,-128.64)   39.73                80
 10/23/2021   06:46:22   (   0.35,-128.33) (   0.88,-125.67)  301.13                80
 10/23/2021   19:10:17   (  -0.34,-128.33) (   0.20,-130.83)  285.01                80
 10/25/2021   18:55:23   (  -0.34,-128.36) (  -0.45,-127.88)   55.13                80
 10/27/2021   18:45:48   (  -0.33,-128.39) (  -1.05,-124.91)  394.64                80
 10/28/2021   07:07:12   (   0.32,-128.40) (  -0.01,-130.11)  193.91                80
 10/30/2021   06:52:17   (   0.32,-128.42) (   0.60,-127.15)  145.08                80