Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 4 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/03/2021   07:10:37   (  -0.11,-128.25) (  -0.52,-130.01)  201.18                80
 04/05/2021   06:55:46   (  -0.11,-128.21) (   0.13,-127.06)  130.63                80
 04/05/2021   19:17:01   (   0.10,-128.28) (   0.93,-132.23)  448.05                80
 04/07/2021   06:43:34   (  -0.11,-128.17) (   0.77,-124.11)  462.40                80
 04/07/2021   19:04:48   (   0.10,-128.25) (   0.34,-129.26)  116.15                80
 04/09/2021   18:55:16   (   0.10,-128.21) (  -0.31,-126.31)  215.84                80
 04/10/2021   07:16:40   (  -0.10,-128.12) (  -0.79,-131.51)  384.32                80
 04/12/2021   07:04:27   (  -0.10,-128.08) (  -0.20,-128.55)   52.71                80
 04/14/2021   06:49:34   (  -0.10,-128.04) (   0.39,-125.58)  278.37                80
 04/14/2021   19:10:50   (   0.09,-128.10) (   0.66,-130.75)  301.59                80
 04/16/2021   19:01:18   (   0.09,-128.05) (   0.01,-127.80)   28.82                80