Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 1 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/01/2020   18:53:47   (  -0.05,-128.28) (  -0.44,-126.34)  219.72                80
 01/02/2020   07:17:51   (   0.03,-128.32) (  -0.67,-131.53)  365.16                80
 01/04/2020   07:05:40   (   0.04,-128.36) (   0.00,-128.58)   25.38                80
 01/06/2020   06:50:48   (   0.04,-128.38) (   0.61,-125.62)  313.83                80
 01/06/2020   19:14:43   (  -0.03,-128.35) (   0.51,-130.77)  275.78                80
 01/08/2020   18:59:52   (  -0.03,-128.37) (  -0.17,-127.82)   62.49                80
 01/10/2020   18:47:40   (  -0.03,-128.38) (  -0.79,-124.86)  399.98                80
 01/11/2020   07:11:44   (   0.03,-128.42) (  -0.31,-130.05)  185.70                80
 01/13/2020   06:56:52   (   0.02,-128.42) (   0.31,-127.09)  151.23                80
 01/13/2020   19:20:47   (  -0.01,-128.38) (   0.81,-132.24)  438.91                80