Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2019   06:51:17   (   0.02,-128.08) (   0.53,-125.60)  281.35                80
 01/19/2019   19:12:31   (  -0.01,-128.00) (   0.59,-130.75)  314.14                80
 01/21/2019   19:02:59   (  -0.01,-127.92) (  -0.02,-127.79)   14.15                80
 01/23/2019   18:50:48   (  -0.01,-127.84) (  -0.64,-124.83)  342.14                80
 01/24/2019   07:12:11   (  -0.00,-127.90) (  -0.47,-130.02)  242.15                80
 01/26/2019   06:57:19   (  -0.00,-127.82) (   0.15,-127.06)   85.55                80
 01/28/2019   06:45:07   (  -0.00,-127.73) (   0.77,-124.10)  412.96                80
 01/28/2019   19:06:22   (   0.01,-127.63) (   0.35,-129.25)  183.94                80
 01/30/2019   18:56:50   (   0.01,-127.55) (  -0.28,-126.29)  143.00                80
 01/31/2019   07:18:14   (  -0.01,-127.61) (  -0.83,-131.48)  440.59                80
 02/01/2019   18:44:38   (   0.00,-127.46) (  -0.90,-123.33)  469.54                80