Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/15/2017   19:43:37   (  -0.28,-135.29) (   0.45,-138.62)  379.57                80
 10/17/2017   19:31:25   (  -0.28,-135.25) (  -0.22,-135.67)   46.96                80
 10/19/2017   19:21:52   (  -0.28,-135.21) (  -0.84,-132.71)  285.51                80
 10/20/2017   07:43:15   (   0.28,-135.20) (  -0.30,-137.89)  305.95                80
 10/22/2017   07:28:22   (   0.28,-135.15) (   0.32,-134.93)   25.54                80
 10/24/2017   07:16:09   (   0.27,-135.10) (   0.95,-131.97)  356.53                80
 10/24/2017   19:37:24   (  -0.27,-135.08) (   0.17,-137.12)  231.79                80
 10/26/2017   19:27:51   (  -0.26,-135.02) (  -0.46,-134.16)   98.65                80
 10/27/2017   07:49:14   (   0.25,-135.02) (  -0.67,-139.34)  491.36                80
 10/28/2017   19:15:37   (  -0.26,-134.96) (  -1.04,-131.19)  428.56                80
 10/29/2017   07:37:01   (   0.25,-134.95) (  -0.03,-136.38)  161.80                80