Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 9 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/30/2019   07:05:49   (   0.32,-127.60) (   0.11,-128.63)  117.17                80
 10/02/2019   06:50:57   (   0.31,-127.52) (   0.70,-125.67)  210.16                80
 10/02/2019   19:12:13   (  -0.32,-127.51) (   0.36,-130.83)  376.75                80
 10/04/2019   19:00:01   (  -0.31,-127.43) (  -0.23,-127.87)   49.85                80
 10/06/2019   18:50:29   (  -0.31,-127.34) (  -0.82,-124.91)  276.61                80
 10/07/2019   07:11:52   (   0.31,-127.30) (  -0.30,-130.10)  317.98                80
 10/09/2019   06:57:01   (   0.31,-127.21) (   0.29,-127.13)    8.69                80
 10/11/2019   06:44:50   (   0.30,-127.12) (   0.95,-124.19)  333.98                80
 10/11/2019   19:06:04   (  -0.31,-127.10) (   0.18,-129.34)  254.11                80
 10/13/2019   18:56:32   (  -0.31,-127.01) (  -0.42,-126.38)   71.47                80