Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2018   06:57:28   (   0.16,-128.60) (   0.45,-127.15)  163.61                80
 12/09/2018   19:18:44   (  -0.14,-128.56) (   0.67,-132.31)  426.46                80
 12/11/2018   06:45:21   (   0.16,-128.61) (   1.08,-124.21)  499.46                80
 12/11/2018   19:06:38   (  -0.14,-128.58) (   0.02,-129.38)   90.70                80
 12/13/2018   18:57:13   (  -0.14,-128.59) (  -0.57,-126.44)  243.75                80
 12/14/2018   07:18:40   (   0.12,-128.64) (  -0.51,-131.65)  341.88                80
 12/16/2018   07:06:38   (   0.12,-128.64) (   0.08,-128.72)    9.81                80
 12/18/2018   06:51:59   (   0.12,-128.65) (   0.72,-125.82)  321.38                80
 12/18/2018   19:13:17   (  -0.11,-128.59) (   0.43,-130.98)  271.91                80
 12/20/2018   19:04:01   (  -0.11,-128.59) (  -0.23,-128.09)   56.99                80