Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 15.  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)  254.62                80
 09/16/2021   03:37:58   (   0.06,-128.03) (   0.23,-127.43)   70.36                80
 09/17/2021   03:26:12   (   0.05,-128.01) (   0.85,-124.54)  395.22                80
 09/19/2021   15:44:21   (  -0.10,-127.91) (   0.23,-129.48)  177.64                80
 09/20/2021   15:35:14   (  -0.10,-127.89) (  -0.39,-126.59)  147.53                80
 09/21/2021   15:23:28   (  -0.08,-127.86) (  -1.02,-123.71)  472.81                80
 09/23/2021   03:53:23   (   0.14,-127.84) (  -0.73,-131.52)  420.61                80
 09/24/2021   03:41:37   (   0.13,-127.81) (  -0.06,-128.65)   95.82                80
 09/25/2021   03:32:32   (   0.12,-127.78) (   0.61,-125.78)  228.78                80
 09/27/2021   15:50:38   (  -0.16,-127.66) (   0.54,-130.69)  345.73                80
 09/28/2021   15:38:51   (  -0.15,-127.63) (  -0.09,-127.81)   21.41                80