Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 17.  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)
 07/18/2021   03:40:32   (   0.19,-127.66) (  -0.41,-130.30)  300.27                80
 07/19/2021   03:26:07   (   0.19,-127.62) (   0.23,-127.42)   22.63                80
 07/20/2021   03:14:21   (   0.19,-127.58) (   0.87,-124.55)  345.33                80
 07/22/2021   15:35:03   (  -0.19,-127.50) (   0.28,-129.44)  222.67                80
 07/23/2021   15:25:58   (  -0.20,-127.45) (  -0.40,-126.58)   99.69                80
 07/24/2021   15:14:14   (  -0.21,-127.40) (  -1.09,-123.71)  422.03                80
 07/26/2021   03:46:54   (   0.20,-127.31) (  -0.78,-131.52)  481.20                80
 07/27/2021   03:35:09   (   0.21,-127.26) (  -0.13,-128.65)  158.94                80
 07/28/2021   03:20:43   (   0.21,-127.21) (   0.52,-125.78)  163.31                80
 07/29/2021   03:08:59   (   0.22,-127.16) (   1.23,-122.92)  485.57                80
 07/30/2021   15:41:27   (  -0.20,-127.11) (   0.61,-130.68)  407.32                80