Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 4 8.  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)
 04/09/2021   10:14:17   (  -0.01,-128.16) (   0.79,-131.86)  421.06                80
 04/10/2021   09:52:52   (  -0.02,-128.14) (  -0.20,-127.33)   92.03                80
 04/12/2021   21:56:05   (   0.02,-128.09) (   0.02,-128.11)    2.06                80
 04/15/2021   10:01:49   (  -0.01,-128.02) (   0.18,-128.85)   94.55                80
 04/16/2021   09:40:24   (  -0.02,-127.99) (  -0.81,-124.32)  417.75                80
 04/17/2021   22:02:22   (   0.01,-127.95) (  -0.36,-129.63)  191.78                80
 04/18/2021   21:46:17   (   0.01,-127.92) (   0.64,-125.10)  320.92                80
 04/20/2021   10:08:05   (   0.00,-127.87) (   0.56,-130.37)  285.16                80
 04/21/2021   09:46:41   (  -0.01,-127.83) (  -0.44,-125.84)  226.48                80