Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2017   15:11:51   (   0.01, -75.21) (  -0.94, -70.82)  499.22                80
 12/15/2017   03:33:15   (  -0.00, -75.20) (  -0.15, -76.01)   92.08                80
 12/17/2017   03:23:42   (  -0.00, -75.19) (   0.46, -73.05)  244.39                80
 12/17/2017   15:44:56   (   0.00, -75.21) (   0.66, -78.20)  340.66                80
 12/19/2017   15:32:43   (   0.01, -75.21) (   0.03, -75.23)    3.77                80
 12/21/2017   15:17:50   (   0.02, -75.21) (  -0.60, -72.27)  334.44                80
 12/22/2017   03:39:13   (  -0.02, -75.20) (  -0.53, -77.45)  256.82                80
 12/24/2017   03:29:40   (  -0.03, -75.21) (   0.11, -74.49)   81.84                80
 12/26/2017   03:17:27   (  -0.04, -75.23) (   0.77, -71.53)  421.00                80
 12/26/2017   15:38:42   (   0.04, -75.25) (   0.34, -76.68)  162.88                80