Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 1 18.  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)
 01/19/2021   10:14:04   (   0.30,-127.93) (   1.16,-131.81)  442.01                80
 01/20/2021   09:52:40   (   0.28,-127.91) (   0.14,-127.28)   71.39                80
 01/22/2021   21:58:32   (  -0.31,-127.89) (  -0.32,-128.05)   17.78                80
 01/23/2021   21:37:07   (  -0.29,-127.86) (   0.70,-123.52)  495.32                80
 01/25/2021   10:01:34   (   0.33,-127.76) (   0.56,-128.77)  114.47                80
 01/26/2021   09:40:09   (   0.31,-127.73) (  -0.46,-124.24)  398.05                80
 01/27/2021   22:04:45   (  -0.36,-127.73) (  -0.73,-129.54)  205.55                80
 01/28/2021   21:43:21   (  -0.34,-127.69) (   0.29,-125.01)  306.65                80
 01/30/2021   10:07:47   (   0.37,-127.58) (   0.97,-130.26)  304.34                80
 01/31/2021   09:46:23   (   0.35,-127.55) (  -0.05,-125.73)  207.58                80