Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 17.  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)
 09/17/2021   03:26:12   (   0.05,-128.00) (   0.86,-124.55)  394.96                80
 09/19/2021   15:44:20   (  -0.10,-127.91) (   0.28,-129.46)  177.69                80
 09/20/2021   15:35:14   (  -0.10,-127.89) (  -0.41,-126.60)  147.45                80
 09/21/2021   15:23:28   (  -0.08,-127.86) (  -1.04,-123.72)  472.69                80
 09/23/2021   03:53:23   (   0.14,-127.84) (  -0.71,-131.52)  421.07                80
 09/24/2021   03:41:37   (   0.13,-127.80) (  -0.10,-128.64)   96.35                80
 09/25/2021   03:32:31   (   0.12,-127.77) (   0.58,-125.77)  228.27                80
 09/27/2021   15:50:37   (  -0.16,-127.66) (   0.57,-130.68)  345.91                80
 09/28/2021   15:38:52   (  -0.15,-127.62) (  -0.13,-127.82)   21.69                80
 09/29/2021   15:29:45   (  -0.14,-127.58) (  -0.76,-124.94)  302.52                80