Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 4 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2017   00:10:41   (  -0.06,-135.47) (   0.08,-134.78)   78.48                80
 04/14/2017   23:59:16   (  -0.06,-135.48) (   0.76,-132.00)  397.18                80
 04/17/2017   12:18:04   (   0.06,-135.45) (   0.41,-137.11)  188.97                80
 04/18/2017   12:09:17   (   0.06,-135.45) (  -0.22,-134.32)  129.23                80
 04/19/2017   11:57:51   (   0.06,-135.45) (  -0.85,-131.54)  447.23                80
 04/21/2017   00:28:24   (  -0.05,-135.49) (  -0.98,-139.51)  458.46                80
 04/22/2017   00:16:58   (  -0.06,-135.49) (  -0.34,-136.72)  140.69                80
 04/23/2017   00:08:11   (  -0.06,-135.49) (   0.30,-133.94)  176.93                80
 04/23/2017   23:56:45   (  -0.06,-135.48) (   0.94,-131.15)  494.40                80
 04/25/2017   12:26:59   (   0.05,-135.43) (   0.89,-139.04)  412.26                80
 04/26/2017   12:15:32   (   0.05,-135.42) (   0.26,-136.26)   95.42                80
 04/27/2017   12:06:46   (   0.05,-135.41) (  -0.37,-133.47)  221.24                80