Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2019   06:51:21   (   0.07,-128.50) (   0.65,-125.64)  324.56                80
 01/03/2019   19:12:37   (  -0.05,-128.44) (   0.42,-130.81)  268.68                80
 01/05/2019   19:03:05   (  -0.05,-128.40) (  -0.17,-127.84)   63.51                80
 01/07/2019   18:50:53   (  -0.05,-128.36) (  -0.77,-124.88)  395.40                80
 01/08/2019   07:12:17   (   0.04,-128.41) (  -0.34,-130.07)  188.96                80
 01/10/2019   06:57:26   (   0.04,-128.36) (   0.32,-127.12)  142.43                80
 01/10/2019   19:18:40   (  -0.03,-128.28) (   0.81,-132.27)  452.44                80
 01/12/2019   06:45:14   (   0.04,-128.32) (   0.93,-124.15)  473.52                80
 01/12/2019   19:06:28   (  -0.03,-128.24) (   0.20,-129.30)  121.30                80
 01/14/2019   18:56:57   (  -0.03,-128.18) (  -0.41,-126.34)  209.31                80
 01/15/2019   07:18:20   (   0.02,-128.24) (  -0.70,-131.53)  374.16                80