Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 18.  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)
 04/18/2021   03:04:05   (  -0.11,-127.88) (   0.59,-124.92)  337.93                80
 04/20/2021   15:22:19   (   0.10,-127.89) (   0.54,-129.86)  224.89                80
 04/21/2021   15:10:34   (   0.10,-127.85) (  -0.07,-126.99)   98.08                80
 04/22/2021   14:58:51   (   0.10,-127.81) (  -0.74,-124.12)  420.87                80
 04/24/2021   03:31:26   (  -0.10,-127.65) (  -1.10,-131.92)  486.98                80
 04/25/2021   03:19:43   (  -0.10,-127.61) (  -0.42,-129.05)  164.33                80
 04/26/2021   03:10:38   (  -0.10,-127.57) (   0.21,-126.18)  158.23                80
 04/27/2021   02:58:55   (  -0.10,-127.53) (   0.89,-123.32)  480.56                80
 04/28/2021   15:28:52   (   0.09,-127.56) (   0.94,-131.12)  407.19                80
 04/29/2021   15:17:09   (   0.09,-127.51) (   0.26,-128.26)   85.38                80
 04/30/2021   15:08:05   (   0.09,-127.46) (  -0.42,-125.40)  236.28                80