Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 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)
 04/20/2019   18:57:05   (  -0.07,-127.76) (  -0.36,-126.37)  157.53                80
 04/21/2019   07:18:28   (   0.07,-127.76) (  -0.76,-131.56)  433.00                80
 04/23/2019   07:06:18   (   0.08,-127.83) (  -0.08,-128.62)   89.28                80
 04/25/2019   06:51:27   (   0.08,-127.90) (   0.53,-125.66)  253.97                80
 04/25/2019   19:12:43   (  -0.08,-127.94) (   0.56,-130.82)  328.59                80
 04/27/2019   19:03:13   (  -0.09,-128.00) (  -0.11,-127.88)   14.36                80
 04/29/2019   18:51:03   (  -0.09,-128.07) (  -0.77,-124.93)  357.00                80
 04/30/2019   07:12:27   (   0.09,-128.07) (  -0.35,-130.12)  233.59                80
 05/02/2019   06:57:37   (   0.10,-128.13) (   0.31,-127.17)  108.62                80
 05/02/2019   19:18:53   (  -0.09,-128.16) (   0.78,-132.33)  474.56                80