Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 12 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)
 12/16/2018   07:06:13   (   0.12,-128.64) (   0.11,-128.63)    2.06                80
 12/18/2018   06:51:22   (   0.12,-128.64) (   0.74,-125.67)  336.95                80
 12/18/2018   19:12:37   (  -0.11,-128.59) (   0.39,-130.82)  254.32                80
 12/20/2018   19:03:06   (  -0.11,-128.58) (  -0.25,-127.87)   81.14                80
 12/22/2018   18:50:55   (  -0.11,-128.57) (  -0.89,-124.91)  415.76                80
 12/23/2018   07:12:19   (   0.10,-128.62) (  -0.23,-130.10)  168.70                80
 12/25/2018   06:57:28   (   0.10,-128.60) (   0.42,-127.15)  164.88                80
 12/25/2018   19:18:43   (  -0.08,-128.53) (   0.70,-132.30)  428.73                80
 12/27/2018   06:45:16   (   0.09,-128.57) (   1.02,-124.19)  498.28                80
 12/27/2018   19:06:31   (  -0.08,-128.50) (   0.11,-129.34)   95.15                80
 12/29/2018   18:57:00   (  -0.08,-128.47) (  -0.55,-126.39)  238.30                80