Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 6 30.  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)
 06/30/2020   14:12:31   (   0.09,-128.14) (  -0.91,-123.77)  498.73                80
 07/02/2020   02:45:19   (  -0.08,-128.12) (  -0.91,-131.62)  399.56                80
 07/03/2020   02:33:39   (  -0.08,-128.14) (  -0.20,-128.77)   71.37                80
 07/04/2020   02:19:17   (  -0.07,-128.17) (   0.45,-125.92)  256.78                80
 07/06/2020   14:40:10   (   0.06,-128.27) (   0.69,-130.85)  295.23                80
 07/07/2020   14:31:10   (   0.06,-128.29) (  -0.00,-128.01)   32.78                80
 07/08/2020   14:19:29   (   0.06,-128.32) (  -0.70,-125.16)  360.79                80
 07/11/2020   02:40:34   (  -0.05,-128.31) (  -0.46,-130.14)  208.72                80
 07/12/2020   02:26:13   (  -0.05,-128.33) (   0.20,-127.29)  119.16                80
 07/13/2020   02:14:31   (  -0.05,-128.35) (   0.86,-124.43)  446.93                80