Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 4 19.  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) (   0.58,-124.15)  438.76                80
 04/20/2020   19:06:22   (   0.27,-128.05) (   0.53,-129.31)  142.21                80
 04/22/2020   18:56:49   (   0.27,-128.10) (  -0.09,-126.34)  200.05                80
 04/23/2020   07:18:13   (  -0.26,-128.08) (  -1.00,-131.53)  392.31                80
 04/25/2020   07:06:00   (  -0.26,-128.12) (  -0.37,-128.57)   50.98                80
 04/27/2020   06:51:08   (  -0.26,-128.15) (   0.31,-125.61)  289.60                80
 04/27/2020   19:12:23   (   0.25,-128.19) (   0.80,-130.77)  292.65                80
 04/29/2020   19:02:50   (   0.25,-128.22) (   0.17,-127.80)   46.96                80
 05/01/2020   18:50:37   (   0.24,-128.24) (  -0.46,-124.84)  386.12                80
 05/02/2020   07:12:01   (  -0.23,-128.21) (  -0.62,-130.03)  206.49                80