Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 25.  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)
 01/25/2021   15:14:26   (   0.33,-127.77) (   1.14,-131.18)  389.09                80
 01/26/2021   15:02:43   (   0.35,-127.74) (   0.49,-128.31)   65.78                80
 01/27/2021   14:53:39   (   0.36,-127.70) (  -0.15,-125.45)  257.40                80
 01/30/2021   03:12:00   (  -0.33,-127.61) (  -0.97,-130.42)  320.11                80
 01/31/2021   03:00:51   (  -0.34,-127.57) (  -0.35,-127.55)    2.95                46
 02/01/2021   02:51:13   (  -0.35,-127.54) (   0.28,-124.68)  325.54                80
 02/03/2021   15:09:22   (   0.32,-127.43) (   0.80,-129.61)  247.80                80
 02/04/2021   15:00:18   (   0.33,-127.39) (   0.15,-126.74)   74.48                80
 02/05/2021   14:48:35   (   0.34,-127.34) (  -0.50,-123.88)  396.57                80