Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 10 31.  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)
 10/31/2021   15:52:12   (  -0.27,-128.42) (   0.07,-129.85)  163.16                80
 11/01/2021   15:43:05   (  -0.26,-128.43) (  -0.59,-126.98)  165.93                80
 11/02/2021   15:31:19   (  -0.25,-128.44) (  -1.24,-124.10)  494.93                80
 11/04/2021   04:01:22   (   0.28,-128.43) (  -0.50,-131.94)  400.09                80
 11/05/2021   03:49:35   (   0.27,-128.43) (   0.15,-129.07)   71.55                80
 11/06/2021   03:40:29   (   0.27,-128.44) (   0.81,-126.19)  256.82                80
 11/08/2021   15:58:26   (  -0.27,-128.44) (   0.32,-131.07)  299.12                80
 11/09/2021   15:49:19   (  -0.27,-128.44) (  -0.34,-128.19)   28.73                80
 11/10/2021   15:37:33   (  -0.26,-128.43) (  -1.00,-125.32)  356.39                80
 11/13/2021   03:55:48   (   0.27,-128.41) (  -0.18,-130.26)  212.30                80