Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 6 15.  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)
 06/15/2021   03:25:10   (   0.09,-128.42) (   0.18,-128.18)   28.82                 2
 06/16/2021   03:12:07   (   0.09,-128.41) (   0.83,-125.31)  354.99                80
 06/18/2021   15:32:50   (  -0.10,-128.46) (   0.29,-130.21)  199.76                80
 06/19/2021   15:23:45   (  -0.10,-128.45) (  -0.38,-127.34)  126.63                80
 06/20/2021   15:12:00   (  -0.10,-128.44) (  -0.99,-124.47)  452.81                80
 06/22/2021   03:44:44   (   0.11,-128.36) (  -0.82,-132.30)  450.56                80
 06/23/2021   03:33:00   (   0.11,-128.34) (  -0.15,-129.43)  125.26                80
 06/24/2021   03:18:35   (   0.11,-128.32) (   0.51,-126.57)  199.83                80
 06/26/2021   15:39:17   (  -0.12,-128.32) (   0.59,-131.47)  358.99                80
 06/27/2021   15:27:33   (  -0.13,-128.30) (  -0.08,-128.60)   33.88                80
 06/28/2021   15:18:27   (  -0.13,-128.28) (  -0.70,-125.72)  291.46                80