Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2020   07:12:05   (   0.01,-128.40) (  -0.32,-130.05)  186.82                80
 07/23/2020   06:57:14   (   0.01,-128.41) (   0.31,-127.09)  150.36                80
 07/23/2020   19:18:29   (  -0.01,-128.39) (   0.82,-132.24)  438.25                80
 07/25/2020   06:45:03   (   0.01,-128.42) (   0.95,-124.14)  487.20                80
 07/25/2020   19:06:18   (  -0.01,-128.40) (   0.19,-129.29)  101.38                80
 07/27/2020   18:56:47   (  -0.01,-128.40) (  -0.45,-126.33)  235.00                80
 07/28/2020   07:18:11   (   0.01,-128.43) (  -0.68,-131.52)  352.59                80
 07/30/2020   07:06:00   (   0.01,-128.42) (  -0.04,-128.57)   17.32                80
 08/01/2020   06:51:09   (   0.02,-128.41) (   0.59,-125.61)  317.86                80
 08/01/2020   19:12:25   (  -0.02,-128.38) (   0.48,-130.77)  272.04                80
 08/03/2020   19:02:54   (  -0.02,-128.37) (  -0.15,-127.82)   62.80                80