Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 4 10.  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)
 04/10/2021   09:52:52   (  -0.02,-128.14) (  -0.21,-127.33)   92.03                80
 04/12/2021   21:56:05   (   0.01,-128.09) (   0.03,-128.11)    3.37                80
 04/15/2021   10:01:49   (  -0.01,-128.02) (   0.17,-128.85)   95.05                80
 04/16/2021   09:40:24   (  -0.02,-127.98) (  -0.83,-124.32)  417.16                80
 04/17/2021   22:02:22   (   0.01,-127.94) (  -0.34,-129.63)  192.57                80
 04/18/2021   21:46:17   (   0.01,-127.91) (   0.65,-125.10)  320.06                80
 04/20/2021   10:08:06   (   0.00,-127.86) (   0.54,-130.37)  286.13                80
 04/21/2021   09:46:41   (  -0.00,-127.82) (  -0.45,-125.84)  225.44                80
 04/22/2021   22:08:37   (  -0.01,-127.75) (  -0.77,-131.14)  386.48                80
 04/23/2021   21:52:33   (  -0.00,-127.72) (   0.22,-126.61)  125.62                80