Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 22.  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)
 03/22/2021   03:18:18   (  -0.10,-128.36) (   0.00,-129.78)  158.64                 0
 03/23/2021   03:05:08   (  -0.09,-128.36) (   0.26,-126.83)  174.64                80
 03/25/2021   15:28:36   (   0.11,-128.42) (   0.86,-131.75)  379.22                80
 03/26/2021   15:16:53   (   0.11,-128.41) (   0.21,-128.88)   53.48                80
 03/27/2021   15:02:29   (   0.10,-128.40) (  -0.44,-126.02)  272.15                80
 03/30/2021   03:26:06   (  -0.11,-128.29) (  -0.76,-130.96)  306.26                80
 03/31/2021   03:14:23   (  -0.11,-128.27) (  -0.09,-128.10)   19.27                80
 04/01/2021   02:59:59   (  -0.10,-128.26) (   0.58,-125.24)  344.29                80
 04/03/2021   15:23:30   (   0.11,-128.30) (   0.54,-130.17)  213.59                80
 04/04/2021   15:09:07   (   0.10,-128.28) (  -0.11,-127.30)  110.85                80