Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2019   18:59:54   (  -0.08,-128.09) (  -0.13,-127.83)   29.61                80
 12/25/2019   18:47:43   (  -0.08,-128.14) (  -0.78,-124.87)  371.47                80
 12/26/2019   07:11:47   (   0.07,-128.19) (  -0.33,-130.06)  212.92                80
 12/28/2019   06:56:56   (   0.07,-128.24) (   0.33,-127.11)  128.55                80
 12/28/2019   19:20:51   (  -0.05,-128.21) (   0.80,-132.26)  460.44                80
 12/30/2019   06:44:44   (   0.06,-128.28) (   0.92,-124.15)  469.87                80
 12/30/2019   19:08:40   (  -0.05,-128.26) (   0.15,-129.31)  119.17                80
 01/01/2020   18:53:48   (  -0.05,-128.30) (  -0.45,-126.35)  221.97                80
 01/02/2020   07:17:52   (   0.04,-128.35) (  -0.66,-131.54)  362.53                80
 01/04/2020   07:05:41   (   0.04,-128.39) (   0.01,-128.58)   21.91                80