Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 1 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2019   07:06:09   (   0.02,-128.15) (  -0.07,-128.57)   47.13                80
 01/19/2019   06:51:17   (   0.02,-128.08) (   0.55,-125.61)  281.29                80
 01/19/2019   19:12:32   (  -0.01,-127.99) (   0.57,-130.76)  314.80                80
 01/21/2019   19:03:00   (  -0.01,-127.91) (  -0.04,-127.80)   13.12                80
 01/23/2019   18:50:48   (  -0.01,-127.83) (  -0.66,-124.84)  340.87                80
 01/24/2019   07:12:11   (  -0.00,-127.89) (  -0.46,-130.03)  242.98                80
 01/26/2019   06:57:20   (  -0.00,-127.81) (   0.16,-127.07)   84.43                80
 01/28/2019   06:45:08   (  -0.00,-127.72) (   0.79,-124.11)  411.53                80
 01/28/2019   19:06:22   (   0.01,-127.62) (   0.33,-129.26)  185.97                80