Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 28.  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)
 05/29/2021   03:25:12   (   0.02,-128.36) (  -0.03,-128.48)   14.12                80
 05/30/2021   03:10:49   (   0.02,-128.37) (   0.67,-125.62)  314.16                80
 06/01/2021   15:31:37   (  -0.03,-128.49) (   0.44,-130.55)  234.58                80
 06/02/2021   15:22:32   (  -0.03,-128.50) (  -0.22,-127.68)   94.04                80
 06/03/2021   15:10:48   (  -0.03,-128.51) (  -0.89,-124.81)  422.69                80
 06/05/2021   03:43:29   (   0.04,-128.44) (  -0.91,-132.64)  478.07                80
 06/06/2021   03:31:45   (   0.04,-128.45) (  -0.26,-129.77)  150.00                80
 06/07/2021   03:17:20   (   0.03,-128.46) (   0.38,-126.90)  177.92                80
 06/09/2021   15:38:06   (  -0.05,-128.55) (   0.71,-131.81)  372.55                80
 06/10/2021   15:26:21   (  -0.05,-128.55) (   0.04,-128.95)   44.88                80
 06/11/2021   15:17:17   (  -0.05,-128.56) (  -0.62,-126.08)  282.57                80