Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2021   09:59:28   (   0.05,-128.46) (   0.18,-129.00)   61.38                80
 06/19/2021   09:40:43   (   0.06,-128.45) (  -0.83,-124.47)  453.64                80
 06/20/2021   22:02:40   (  -0.04,-128.35) (  -0.37,-129.77)  162.42                80
 06/21/2021   21:46:35   (  -0.05,-128.33) (   0.64,-125.24)  352.38                80
 06/23/2021   10:05:43   (   0.03,-128.39) (   0.51,-130.52)  242.73                80
 06/24/2021   09:49:39   (   0.04,-128.37) (  -0.50,-125.99)  271.33                80
 06/25/2021   22:08:55   (  -0.02,-128.25) (  -0.70,-131.29)  346.58                80
 06/26/2021   21:52:51   (  -0.03,-128.23) (   0.32,-126.76)  167.64                80
 06/28/2021   10:11:59   (   0.02,-128.28) (   0.84,-132.04)  427.52                80
 06/29/2021   09:55:54   (   0.03,-128.26) (  -0.12,-127.50)   86.56                80