Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 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)
 04/22/2021   14:58:51   (   0.10,-127.82) (  -0.74,-124.12)  421.78                80
 04/24/2021   03:31:26   (  -0.10,-127.66) (  -1.10,-131.91)  486.21                80
 04/25/2021   03:19:43   (  -0.10,-127.62) (  -0.42,-129.05)  163.36                80
 04/26/2021   03:10:38   (  -0.10,-127.58) (   0.20,-126.18)  159.38                80
 04/27/2021   02:58:55   (  -0.10,-127.54) (   0.88,-123.32)  481.89                80
 04/28/2021   15:28:52   (   0.09,-127.58) (   0.94,-131.12)  405.18                80
 04/29/2021   15:17:09   (   0.09,-127.53) (   0.26,-128.26)   83.19                80
 04/30/2021   15:08:05   (   0.09,-127.48) (  -0.42,-125.40)  238.65                80
 05/03/2021   03:26:16   (  -0.08,-127.25) (  -0.78,-130.32)  349.58                80
 05/04/2021   03:14:31   (  -0.08,-127.21) (  -0.15,-127.45)   27.96                80
 05/05/2021   03:05:28   (  -0.08,-127.16) (   0.53,-124.59)  293.83                80