Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 4 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2020   06:57:19   (  -0.27,-127.95) (  -0.09,-127.11)   96.05                80
 04/18/2020   19:18:34   (   0.27,-128.00) (   1.20,-132.26)  484.80                80
 04/20/2020   06:45:07   (  -0.27,-128.01) (   0.53,-124.14)  438.83                80
 04/20/2020   19:06:22   (   0.27,-128.06) (   0.51,-129.31)  142.02                80
 04/22/2020   18:56:49   (   0.27,-128.11) (  -0.11,-126.34)  200.43                80
 04/23/2020   07:18:13   (  -0.26,-128.09) (  -0.98,-131.54)  391.94                80
 04/25/2020   07:06:00   (  -0.26,-128.13) (  -0.34,-128.57)   50.38                80
 04/27/2020   06:51:07   (  -0.26,-128.16) (   0.29,-125.61)  290.37                80
 04/27/2020   19:12:22   (   0.25,-128.20) (   0.82,-130.76)  291.77                80
 04/29/2020   19:02:49   (   0.25,-128.23) (   0.18,-127.80)   48.14                80