Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 3 18.  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)
 03/18/2019   13:22:20   (   0.04,-128.34) (   0.44,-130.00)  189.38                34
 03/19/2019   13:12:37   (   0.04,-128.33) (  -0.21,-127.16)  133.19                80
 03/20/2019   13:01:01   (   0.04,-128.32) (  -0.86,-124.33)  455.65                80
 03/22/2019   01:33:48   (  -0.04,-128.29) (  -0.93,-132.18)  444.12                80
 03/23/2019   01:22:12   (  -0.04,-128.28) (  -0.27,-129.35)  121.96                80
 03/24/2019   01:07:55   (  -0.04,-128.26) (   0.38,-126.51)  200.12                80
 03/26/2019   13:29:07   (   0.04,-128.24) (   0.81,-131.52)  375.00                80
 03/27/2019   13:17:31   (   0.04,-128.23) (   0.15,-128.69)   53.12                80
 03/28/2019   13:08:34   (   0.04,-128.21) (  -0.51,-125.86)  268.67                80
 03/31/2019   01:29:44   (  -0.05,-128.15) (  -0.70,-130.86)  310.30                80
 04/01/2019   01:15:28   (  -0.05,-128.13) (  -0.04,-128.03)   11.27                80