Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 1 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/15/2020   06:44:50   (   0.01,-128.44) (   0.90,-124.17)  484.72                80
 01/15/2020   19:08:46   (  -0.00,-128.42) (   0.20,-129.33)  104.15                80
 01/17/2020   18:54:03   (  -0.01,-128.42) (  -0.41,-126.40)  229.10                80
 01/18/2020   07:18:09   (  -0.00,-128.44) (  -0.67,-131.61)  359.89                80
 01/20/2020   07:06:08   (   0.00,-128.44) (  -0.03,-128.70)   28.67                80
 01/22/2020   06:51:29   (   0.01,-128.44) (   0.60,-125.79)  301.28                80
 01/22/2020   19:15:27   (  -0.00,-128.42) (   0.56,-130.95)  288.94                80
 01/24/2020   19:00:51   (  -0.01,-128.41) (  -0.10,-128.06)   39.42                80
 01/26/2020   18:48:56   (  -0.00,-128.40) (  -0.68,-125.17)  366.69                80
 01/27/2020   07:13:05   (  -0.01,-128.41) (  -0.42,-130.38)  223.85                80