Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 6.  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)
 07/06/2021   15:24:54   (  -0.16,-128.11) (  -0.45,-126.98)  129.86                80
 07/07/2021   15:13:09   (  -0.16,-128.08) (  -1.07,-124.10)  453.98                80
 07/09/2021   03:45:53   (   0.17,-127.99) (  -0.75,-131.93)  450.59                80
 07/10/2021   03:34:09   (   0.17,-127.95) (  -0.06,-129.07)  127.10                80
 07/11/2021   03:19:43   (   0.18,-127.91) (   0.57,-126.19)  196.31                80
 07/13/2021   15:40:24   (  -0.18,-127.86) (   0.57,-131.08)  368.33                80
 07/14/2021   15:28:39   (  -0.19,-127.82) (  -0.12,-128.22)   45.00                80
 07/15/2021   15:19:34   (  -0.19,-127.78) (  -0.74,-125.34)  278.32                80
 07/18/2021   03:40:32   (   0.19,-127.65) (  -0.43,-130.30)  302.67                80
 07/19/2021   03:26:06   (   0.19,-127.60) (   0.21,-127.42)   19.98                80