Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 28.  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)
 04/28/2021   15:28:53   (   0.09,-127.59) (   0.91,-131.13)  403.51                80
 04/29/2021   15:17:09   (   0.09,-127.55) (   0.23,-128.27)   81.34                80
 04/30/2021   15:08:05   (   0.09,-127.50) (  -0.40,-125.39)  240.81                80
 05/03/2021   03:26:15   (  -0.08,-127.27) (  -0.80,-130.31)  347.57                80
 05/04/2021   03:14:32   (  -0.08,-127.22) (  -0.11,-127.45)   25.68                80
 05/05/2021   03:05:27   (  -0.08,-127.18) (   0.51,-124.58)  296.43                80
 05/07/2021   15:23:41   (   0.08,-127.17) (   0.60,-129.53)  268.12                80
 05/08/2021   15:14:37   (   0.08,-127.13) (  -0.03,-126.65)   53.90                80
 05/09/2021   15:02:52   (   0.08,-127.08) (  -0.67,-123.78)  375.82                80