Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 11.  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)
 09/11/2021   15:38:01   (  -0.03,-128.13) (  -0.01,-128.24)   12.59                80
 09/12/2021   15:28:56   (  -0.02,-128.11) (  -0.68,-125.37)  313.10                80
 09/15/2021   03:47:04   (   0.07,-128.06) (  -0.44,-130.30)  254.63                80
 09/16/2021   03:37:58   (   0.06,-128.04) (   0.23,-127.43)   70.34                80
 09/17/2021   03:26:12   (   0.05,-128.01) (   0.84,-124.54)  395.21                80
 09/19/2021   15:44:21   (  -0.10,-127.91) (   0.24,-129.48)  178.00                80
 09/20/2021   15:35:14   (  -0.10,-127.89) (  -0.39,-126.59)  147.16                80
 09/21/2021   15:23:29   (  -0.08,-127.86) (  -1.07,-123.73)  472.43                80
 09/23/2021   03:53:23   (   0.14,-127.84) (  -0.73,-131.52)  420.66                80
 09/24/2021   03:41:37   (   0.13,-127.81) (  -0.06,-128.65)   95.86                80