Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 4 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2020   06:45:07   (  -0.27,-128.01) (   0.54,-124.14)  438.86                80
 04/20/2020   19:06:21   (   0.27,-128.05) (   0.56,-129.30)  142.22                80
 04/22/2020   18:56:50   (   0.27,-128.10) (  -0.12,-126.34)  200.06                80
 04/23/2020   07:18:13   (  -0.26,-128.08) (  -0.97,-131.54)  392.26                80
 04/25/2020   07:06:00   (  -0.26,-128.12) (  -0.35,-128.57)   50.92                80
 04/27/2020   06:51:07   (  -0.26,-128.15) (   0.28,-125.61)  289.59                80
 04/27/2020   19:12:22   (   0.25,-128.19) (   0.83,-130.76)  292.73                80
 04/29/2020   19:02:50   (   0.25,-128.21) (   0.14,-127.81)   46.93                80
 05/01/2020   18:50:37   (   0.24,-128.23) (  -0.50,-124.84)  386.02                80
 05/02/2020   07:12:00   (  -0.23,-128.21) (  -0.65,-130.02)  206.56                80