Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 25.  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)
 03/25/2021   15:28:36   (   0.11,-128.43) (   0.87,-131.75)  378.57                80
 03/26/2021   15:16:53   (   0.11,-128.42) (   0.22,-128.88)   52.69                80
 03/27/2021   15:02:29   (   0.10,-128.41) (  -0.43,-126.02)  273.07                80
 03/30/2021   03:26:07   (  -0.12,-128.29) (  -0.71,-130.97)  305.25                80
 03/31/2021   03:11:44   (  -0.11,-128.28) (  -0.04,-128.11)   20.50                80
 04/01/2021   02:59:59   (  -0.10,-128.27) (   0.57,-125.23)  345.60                80
 04/03/2021   15:23:30   (   0.11,-128.32) (   0.55,-130.17)  211.65                80
 04/04/2021   15:09:06   (   0.10,-128.30) (  -0.11,-127.30)  112.94                80
 04/05/2021   14:57:23   (   0.10,-128.27) (  -0.76,-124.44)  437.49                80
 04/07/2021   03:32:41   (  -0.11,-128.15) (  -1.08,-132.24)  467.54                80