Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 30.  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)
 03/30/2021   03:24:59   (  -0.12,-128.30) (   0.00,-131.14)  315.86                 0
 03/31/2021   03:14:23   (  -0.11,-128.29) (  -0.09,-128.10)   21.47                80
 04/01/2021   03:02:39   (  -0.11,-128.28) (   0.58,-125.24)  346.95                80
 04/03/2021   15:23:30   (   0.11,-128.33) (   0.54,-130.17)  209.42                80
 04/04/2021   15:09:07   (   0.11,-128.32) (  -0.11,-127.30)  115.38                80
 04/05/2021   14:57:23   (   0.10,-128.30) (  -0.77,-124.44)  440.15                80
 04/07/2021   03:30:01   (  -0.11,-128.17) (  -1.08,-132.24)  464.97                80
 04/08/2021   03:18:18   (  -0.11,-128.15) (  -0.40,-129.38)  139.92                80
 04/09/2021   03:09:15   (  -0.11,-128.14) (   0.27,-126.52)  185.17                80
 04/11/2021   15:30:06   (   0.11,-128.19) (   0.90,-131.44)  372.28                80
 04/12/2021   15:18:24   (   0.11,-128.17) (   0.18,-128.59)   47.75                80