Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 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)
 04/13/2021   15:04:00   (   0.11,-128.11) (  -0.46,-125.72)  273.59                80
 04/16/2021   03:24:53   (  -0.11,-127.94) (  -0.72,-130.65)  309.15                80
 04/17/2021   03:15:48   (  -0.11,-127.91) (  -0.10,-127.78)   14.62                80
 04/18/2021   03:04:05   (  -0.10,-127.88) (   0.58,-124.92)  337.73                80
 04/20/2021   15:24:59   (   0.10,-127.89) (   0.55,-129.86)  225.22                80
 04/21/2021   15:10:35   (   0.10,-127.85) (  -0.12,-127.00)   97.67                80
 04/22/2021   14:58:52   (   0.10,-127.81) (  -0.79,-124.14)  420.45                80
 04/24/2021   03:31:26   (  -0.10,-127.65) (  -1.11,-131.91)  487.34                80
 04/25/2021   03:19:43   (  -0.10,-127.61) (  -0.44,-129.05)  164.71                80
 04/26/2021   03:10:39   (  -0.10,-127.57) (   0.24,-126.19)  157.81                80