Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 3.  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)
 08/04/2021   03:41:33   (   0.19,-127.96) (  -0.28,-129.91)  222.98                80
 08/05/2021   03:27:09   (   0.20,-127.98) (   0.44,-127.05)  106.67                80
 08/06/2021   03:15:23   (   0.21,-128.00) (   1.10,-124.18)  436.20                80
 08/07/2021   15:47:54   (  -0.19,-128.03) (   0.74,-131.95)  448.77                80
 08/08/2021   15:36:09   (  -0.20,-128.05) (   0.04,-129.09)  119.27                80
 08/09/2021   15:27:05   (  -0.21,-128.07) (  -0.66,-126.23)  210.17                80
 08/12/2021   03:47:56   (   0.19,-128.12) (  -0.52,-131.16)  346.73                80
 08/13/2021   03:36:10   (   0.20,-128.13) (   0.15,-128.29)   17.95                80
 08/14/2021   03:21:46   (   0.21,-128.14) (   0.87,-125.43)  310.88                80
 08/16/2021   15:42:32   (  -0.19,-128.15) (   0.31,-130.34)  249.42                80