Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 14.  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)
 09/15/2021   03:47:04   (   0.07,-128.06) (  -0.44,-130.30)  254.57                80
 09/16/2021   03:37:58   (   0.06,-128.04) (   0.23,-127.43)   70.44                80
 09/17/2021   03:26:12   (   0.05,-128.01) (   0.85,-124.54)  395.32                80
 09/19/2021   15:44:21   (  -0.10,-127.92) (   0.24,-129.48)  177.60                80
 09/20/2021   15:35:14   (  -0.10,-127.89) (  -0.39,-126.59)  147.59                80
 09/21/2021   15:23:29   (  -0.08,-127.86) (  -1.07,-123.73)  472.89                80
 09/23/2021   03:53:23   (   0.14,-127.84) (  -0.74,-131.52)  420.41                80
 09/24/2021   03:41:37   (   0.13,-127.81) (  -0.06,-128.65)   95.60                80
 09/25/2021   03:32:32   (   0.12,-127.78) (   0.61,-125.78)  229.01                80
 09/27/2021   15:50:38   (  -0.16,-127.66) (   0.55,-130.69)  345.57                80