Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 21.  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)
 04/21/2021   15:10:35   (   0.10,-127.85) (  -0.11,-126.99)   98.62                80
 04/22/2021   14:58:51   (   0.10,-127.82) (  -0.78,-124.13)  421.59                80
 04/24/2021   03:31:26   (  -0.10,-127.66) (  -1.12,-131.91)  486.39                80
 04/25/2021   03:19:42   (  -0.10,-127.62) (  -0.44,-129.05)  163.58                80
 04/26/2021   03:10:39   (  -0.10,-127.58) (   0.24,-126.19)  159.09                80
 04/27/2021   02:58:54   (  -0.10,-127.53) (   0.86,-123.31)  481.54                80
 04/28/2021   15:28:53   (   0.09,-127.57) (   0.91,-131.13)  405.76                80
 04/29/2021   15:17:08   (   0.09,-127.53) (   0.29,-128.25)   83.90                80
 04/30/2021   15:08:05   (   0.09,-127.48) (  -0.39,-125.39)  237.92                80
 05/03/2021   03:26:16   (  -0.08,-127.25) (  -0.80,-130.31)  350.29                80
 05/04/2021   03:14:32   (  -0.08,-127.20) (  -0.12,-127.45)   28.75                80