Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 20.  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)
 05/21/2018   12:55:08   (  -0.04,-135.27) (  -0.41,-133.60)  190.04                80
 05/24/2018   01:13:56   (   0.06,-135.22) (  -0.74,-138.70)  397.23                80
 05/25/2018   01:02:23   (   0.06,-135.20) (  -0.12,-135.88)   78.30                80
 05/26/2018   00:53:31   (   0.06,-135.17) (   0.56,-133.07)  240.56                80
 05/28/2018   13:12:04   (  -0.08,-135.09) (   0.61,-138.10)  344.03                80
 05/29/2018   13:00:31   (  -0.08,-135.06) (  -0.00,-135.28)   26.04                80
 05/30/2018   12:51:38   (  -0.08,-135.02) (  -0.67,-132.47)  292.09                80
 06/02/2018   01:10:24   (   0.11,-134.95) (  -0.50,-137.55)  297.29                80
 06/03/2018   01:01:31   (   0.11,-134.91) (   0.13,-134.73)   20.55                80