Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 4.  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)
 04/04/2021   15:09:07   (   0.11,-128.31) (  -0.11,-127.30)  115.24                80
 04/05/2021   14:57:23   (   0.11,-128.29) (  -0.77,-124.44)  439.89                80
 04/07/2021   03:30:01   (  -0.11,-128.17) (  -1.08,-132.24)  465.46                80
 04/08/2021   03:18:18   (  -0.11,-128.15) (  -0.41,-129.38)  140.48                80
 04/09/2021   03:09:15   (  -0.11,-128.13) (   0.27,-126.51)  184.51                80
 04/11/2021   15:30:06   (   0.12,-128.18) (   0.90,-131.44)  373.10                80
 04/12/2021   15:18:23   (   0.11,-128.16) (   0.24,-128.58)   48.68                80
 04/13/2021   15:04:00   (   0.11,-128.14) (  -0.48,-125.73)  275.77                80
 04/16/2021   03:24:53   (  -0.11,-127.97) (  -0.70,-130.66)  306.29                80
 04/17/2021   03:15:49   (  -0.10,-127.94) (  -0.09,-127.78)   17.77                80