Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 10 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)
 10/29/2021   03:34:14   (   0.24,-128.38) (   1.07,-124.97)  389.82                80
 10/30/2021   16:03:57   (  -0.27,-128.41) (   0.76,-132.72)  492.66                80
 10/31/2021   15:52:12   (  -0.27,-128.42) (   0.04,-129.86)  163.59                80
 11/01/2021   15:43:06   (  -0.26,-128.43) (  -0.61,-126.98)  165.38                80
 11/02/2021   15:31:19   (  -0.25,-128.43) (  -1.27,-124.11)  494.23                80
 11/04/2021   04:01:21   (   0.28,-128.42) (  -0.54,-131.93)  401.17                80
 11/05/2021   03:49:35   (   0.27,-128.42) (   0.11,-129.06)   72.76                80
 11/06/2021   03:40:28   (   0.27,-128.42) (   0.77,-126.18)  255.43                80
 11/08/2021   15:58:25   (  -0.27,-128.43) (   0.36,-131.06)  300.77                80
 11/09/2021   15:49:19   (  -0.27,-128.42) (  -0.30,-128.18)   26.99                80
 11/10/2021   15:37:32   (  -0.26,-128.42) (  -0.96,-125.31)  354.44                80