Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2020   18:56:49   (   0.27,-128.10) (  -0.10,-126.34)  200.00                80
 04/23/2020   07:18:13   (  -0.26,-128.08) (  -0.99,-131.53)  392.13                80
 04/25/2020   07:06:00   (  -0.26,-128.12) (  -0.36,-128.57)   50.78                80
 04/27/2020   06:51:07   (  -0.26,-128.15) (   0.28,-125.60)  289.73                80
 04/27/2020   19:12:22   (   0.25,-128.19) (   0.83,-130.76)  292.74                80
 04/29/2020   19:02:50   (   0.25,-128.21) (   0.13,-127.81)   47.01                80
 05/01/2020   18:50:36   (   0.24,-128.23) (  -0.45,-124.83)  386.12                80
 05/02/2020   07:12:00   (  -0.23,-128.21) (  -0.63,-130.02)  206.28                80
 05/04/2020   06:57:07   (  -0.23,-128.23) (   0.02,-127.06)  132.59                80
 05/04/2020   19:18:22   (   0.23,-128.25) (   1.08,-132.21)  450.93                80