Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 1 12.  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)
 01/12/2021   21:43:23   (  -0.23,-128.12) (   0.47,-125.07)  348.62                80
 01/14/2021   10:07:50   (   0.27,-128.04) (   0.79,-130.31)  259.18                80
 01/15/2021   09:46:25   (   0.25,-128.02) (  -0.23,-125.78)  254.74                80
 01/16/2021   22:11:02   (  -0.29,-128.04) (  -0.97,-131.08)  346.33                80
 01/17/2021   21:49:37   (  -0.26,-128.02) (   0.04,-126.55)  167.46                80
 01/19/2021   10:14:04   (   0.30,-127.94) (   1.16,-131.81)  440.71                80
 01/20/2021   09:52:40   (   0.28,-127.92) (   0.14,-127.28)   72.99                80
 01/22/2021   21:58:32   (  -0.31,-127.91) (  -0.32,-128.05)   15.25                80
 01/23/2021   21:37:07   (  -0.29,-127.89) (   0.70,-123.52)  498.09                80
 01/25/2021   10:01:34   (   0.33,-127.79) (   0.56,-128.77)  111.44                80