Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 9 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)
 09/18/2019   19:02:43   (  -0.30,-128.02) (  -0.36,-127.88)   17.03                80
 09/20/2019   18:50:31   (  -0.30,-127.96) (  -0.93,-124.91)  345.95                80
 09/21/2019   07:09:16   (   0.31,-127.91) (  -0.14,-130.11)  249.95                80
 09/23/2019   06:59:44   (   0.30,-127.84) (   0.43,-127.15)   78.02                80
 09/25/2019   06:47:33   (   0.30,-127.76) (   1.06,-124.19)  405.26                80
 09/25/2019   19:06:09   (  -0.31,-127.76) (   0.02,-129.36)  181.10                80
 09/27/2019   18:56:38   (  -0.31,-127.68) (  -0.61,-126.40)  145.81                80
 09/28/2019   07:18:01   (   0.32,-127.64) (  -0.51,-131.59)  449.27                80
 09/29/2019   18:44:26   (  -0.31,-127.60) (  -1.17,-123.44)  472.47                80
 09/30/2019   07:05:51   (   0.32,-127.55) (   0.11,-128.64)  122.80                80