Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 13.  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)
 06/13/2021   09:53:12   (   0.04,-128.50) (  -0.17,-127.48)  115.92                80
 06/14/2021   22:15:09   (  -0.04,-128.42) (  -1.04,-132.78)  498.65                80
 06/15/2021   21:59:04   (  -0.04,-128.41) (  -0.03,-128.26)   17.20                80
 06/18/2021   10:00:42   (   0.05,-128.47) (   0.17,-129.00)   61.24                 6
 06/19/2021   09:40:44   (   0.05,-128.45) (  -0.84,-124.47)  453.82                80
 06/20/2021   22:02:40   (  -0.04,-128.35) (  -0.36,-129.78)  162.14                80
 06/21/2021   21:46:35   (  -0.04,-128.34) (   0.66,-125.25)  352.71                80
 06/23/2021   10:05:44   (   0.03,-128.39) (   0.50,-130.52)  242.33                80
 06/24/2021   09:49:39   (   0.03,-128.37) (  -0.51,-125.99)  271.79                80
 06/25/2021   22:08:55   (  -0.02,-128.26) (  -0.68,-131.30)  346.03                80
 06/26/2021   21:52:50   (  -0.03,-128.24) (   0.28,-126.75)  168.26                80