Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 4 11.  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)
 04/12/2021   21:58:44   (   0.01,-128.09) (  -0.02,-128.10)    3.79                80
 04/15/2021   10:01:49   (  -0.01,-128.01) (   0.16,-128.85)   95.18                80
 04/16/2021   09:40:25   (  -0.02,-127.98) (  -0.84,-124.32)  417.02                80
 04/17/2021   22:02:21   (   0.00,-127.93) (  -0.40,-129.62)  192.80                80
 04/18/2021   21:46:17   (   0.01,-127.90) (   0.66,-125.10)  319.80                80
 04/20/2021   10:08:05   (   0.00,-127.85) (   0.59,-130.36)  286.40                80
 04/21/2021   09:46:41   (  -0.00,-127.81) (  -0.47,-125.84)  225.15                80
 04/22/2021   22:08:38   (  -0.01,-127.75) (  -0.76,-131.14)  386.86                80
 04/23/2021   21:52:33   (  -0.01,-127.71) (   0.23,-126.61)  125.19                80