Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2019   07:03:09   (   0.29,-128.11) (   0.18,-128.62)   57.98                80
 09/16/2019   06:53:37   (   0.29,-128.06) (   0.80,-125.66)  272.61                80
 09/16/2019   19:12:12   (  -0.31,-128.07) (   0.27,-130.82)  312.84                80
 09/18/2019   19:02:41   (  -0.30,-128.01) (  -0.34,-127.86)   17.08                80
 09/20/2019   18:50:29   (  -0.30,-127.95) (  -0.93,-124.90)  346.26                80
 09/21/2019   07:11:53   (   0.31,-127.91) (  -0.13,-130.10)  248.80                80
 09/23/2019   06:59:41   (   0.30,-127.83) (   0.45,-127.14)   79.14                80
 09/25/2019   06:47:30   (   0.30,-127.75) (   1.08,-124.19)  406.31                80
 09/25/2019   19:06:05   (  -0.31,-127.75) (   0.06,-129.33)  180.97                80