Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 7.  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)
 04/07/2021   03:30:02   (  -0.12,-128.16) (  -1.08,-132.24)  465.56                80
 04/08/2021   03:18:18   (  -0.12,-128.14) (  -0.40,-129.38)  140.74                80
 04/09/2021   03:09:15   (  -0.11,-128.12) (   0.27,-126.52)  184.10                80
 04/11/2021   15:30:06   (   0.12,-128.17) (   0.89,-131.44)  374.09                80
 04/12/2021   15:18:23   (   0.12,-128.15) (   0.23,-128.58)   49.77                80
 04/13/2021   15:03:59   (   0.11,-128.12) (  -0.43,-125.72)  274.43                80
 04/16/2021   03:24:52   (  -0.11,-127.96) (  -0.75,-130.65)  307.89                80
 04/17/2021   03:15:49   (  -0.10,-127.93) (  -0.08,-127.79)   15.87                80
 04/18/2021   03:04:05   (  -0.10,-127.90) (   0.60,-124.92)  339.48                80
 04/20/2021   15:24:59   (   0.10,-127.91) (   0.53,-129.87)  222.57                80