Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 1 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2019   06:45:13   (   0.04,-128.30) (   0.91,-124.15)  471.59                80
 01/12/2019   19:06:28   (  -0.02,-128.22) (   0.21,-129.30)  123.25                80
 01/14/2019   18:56:56   (  -0.02,-128.16) (  -0.41,-126.34)  206.91                80
 01/15/2019   07:18:20   (   0.01,-128.22) (  -0.69,-131.53)  376.77                80
 01/17/2019   07:06:08   (   0.02,-128.15) (  -0.06,-128.57)   47.70                80
 01/19/2019   06:51:15   (   0.02,-128.07) (   0.53,-125.60)  280.60                80
 01/19/2019   19:12:30   (  -0.01,-127.98) (   0.59,-130.75)  316.13                80
 01/21/2019   19:02:57   (  -0.01,-127.89) (  -0.00,-127.79)   12.13                80
 01/23/2019   18:50:45   (  -0.01,-127.81) (  -0.67,-124.83)  339.35                80
 01/24/2019   07:12:08   (  -0.00,-127.87) (  -0.49,-130.01)  243.98                80