Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 4 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)
 04/21/2019   07:18:29   (   0.07,-127.75) (  -0.73,-131.56)  433.06                80
 04/23/2019   07:06:18   (   0.08,-127.83) (  -0.11,-128.61)   89.44                80
 04/25/2019   06:51:28   (   0.08,-127.90) (   0.57,-125.67)  253.78                80
 04/25/2019   19:12:44   (  -0.08,-127.94) (   0.52,-130.83)  328.49                80
 04/27/2019   19:03:13   (  -0.09,-128.00) (  -0.10,-127.87)   14.49                80
 04/29/2019   18:51:03   (  -0.09,-128.06) (  -0.78,-124.93)  357.10                80
 04/30/2019   07:12:26   (   0.09,-128.06) (  -0.34,-130.12)  233.77                80
 05/02/2019   06:57:35   (   0.09,-128.12) (   0.28,-127.16)  108.49                80
 05/02/2019   19:18:51   (  -0.09,-128.15) (   0.80,-132.32)  474.43                80
 05/04/2019   06:45:26   (   0.10,-128.17) (   0.95,-124.22)  450.17                80
 05/04/2019   19:06:41   (  -0.10,-128.21) (   0.13,-129.38)  132.84                80